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Zargouni</title> <meta name="description" content="Search results for: Fouad Zargouni"> <meta name="keywords" content="Fouad Zargouni"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Fouad Zargouni"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 54</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Fouad Zargouni</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">54</span> Basin Geometry and Salt Structures in the Knana/Ragoubet Mahjbia Ranges, North of Tunisia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Montassar%20Ben%20Slama">Mohamed Montassar Ben Slama</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Fadel%20Ladeb"> Mohamed Fadel Ladeb</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Ghanmi"> Mohamed Ghanmi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Ben%20Youssef"> Mohamed Ben Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Zargouni"> Fouad Zargouni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The salt province Basin in Northern Tunisia is a complex of late Triassic to Early Cretaceous rift and sag basins which was inverted during the Tertiary folding. The deposition of evaporitic sediments during the Late Triassic times played a major role in the subsequent tectonic evolution of the basin. Within southern tethyan passive marge, the ductile salt mass shown early mobilization, vertical transport and withdrawal of the evaporites. These movements influenced the sedimentation during the late Jurassic and Early Cretaceous. The evaporites also influenced deformation during the inversion of the basin and the development of the Tertiary and Quaternary folding. In the studied area, the biostratigraphic and tectonic map analysis of the region of Jebel el Asoued / Ragoubet el Mahjbia can resolve between the hypotheses of the diapiric intrusion of the Triassic salt and the lateral spreading of the Triassic salt as salt ‘glacier’. Also the variation in thickness and facies of the Aptian sediments demonstrates the existence of continental rise architecture at the Aptian time. The observation in a mappable outcrop of the extension segment of the graben fault of Bou Arada on the one hand confirms the existence of a Cretaceous extensive architecture and the tectonic inversion during the Tertiary time has not filled the main game distension. The extent of our observations of Triassic/Aptian and Triassic/Early Campanian contacts, we propose a composite salt ‘glacier’ model as the structures recorded in the Gulf of Mexico in the subsurface and in the Ouenza east Algeria and in Tunisia within Fedj el Adoum, Touiref-Nebeur and Jebel Ech Cheid in the outcrops. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cretaceous%20rift" title="Cretaceous rift">Cretaceous rift</a>, <a href="https://publications.waset.org/abstracts/search?q=salt%20%E2%80%98glassier%E2%80%99" title=" salt ‘glassier’"> salt ‘glassier’</a>, <a href="https://publications.waset.org/abstracts/search?q=tertiary%20folding" title=" tertiary folding"> tertiary folding</a>, <a href="https://publications.waset.org/abstracts/search?q=Tunisia" title=" Tunisia"> Tunisia</a> </p> <a href="https://publications.waset.org/abstracts/70434/basin-geometry-and-salt-structures-in-the-knanaragoubet-mahjbia-ranges-north-of-tunisia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70434.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">382</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">53</span> Frequency Identification of Wiener-Hammerstein Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brouri%20Adil">Brouri Adil</a>, <a href="https://publications.waset.org/abstracts/search?q=Giri%20Fouad"> Giri Fouad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The problem of identifying Wiener-Hammerstein systems is addressed in the presence of two linear subsystems of structure totally unknown. Presently, the nonlinear element is allowed to be noninvertible. The system identification problem is dealt by developing a two-stage frequency identification method such a set of points of the nonlinearity are estimated first. Then, the frequency gains of the two linear subsystems are determined at a number of frequencies. The method involves Fourier series decomposition and only requires periodic excitation signals. All involved estimators are shown to be consistent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wiener-Hammerstein%20systems" title="Wiener-Hammerstein systems">Wiener-Hammerstein systems</a>, <a href="https://publications.waset.org/abstracts/search?q=Fourier%20series%20expansions" title=" Fourier series expansions"> Fourier series expansions</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20identification" title=" frequency identification"> frequency identification</a>, <a href="https://publications.waset.org/abstracts/search?q=automation%20science" title=" automation science"> automation science</a> </p> <a href="https://publications.waset.org/abstracts/7941/frequency-identification-of-wiener-hammerstein-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7941.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">537</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">52</span> Comparative Study between Direct Torque Control and Sliding Mode Control of Sensorless Induction Machine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Berrabah">Fouad Berrabah</a>, <a href="https://publications.waset.org/abstracts/search?q=Saad%20Salah"> Saad Salah</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaamouche%20Fares"> Zaamouche Fares </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the Direct Torque Control (DTC) Control and the Sliding Mode Control for induction motor are presented and compared. The performance of the two control schemes is evaluated in terms of torque and current ripple, and transient response to variations of the torque , speed and robustness, trajectory tracking. In order to identify the more suitable solution for any application, both techniques are analyzed mathematically and simulation results are compared which advantages and drawbacks are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=induction%20motor" title="induction motor">induction motor</a>, <a href="https://publications.waset.org/abstracts/search?q=DTC-%20MRAS%20control" title=" DTC- MRAS control"> DTC- MRAS control</a>, <a href="https://publications.waset.org/abstracts/search?q=sliding%20mode%20control" title=" sliding mode control"> sliding mode control</a>, <a href="https://publications.waset.org/abstracts/search?q=robustness" title=" robustness"> robustness</a>, <a href="https://publications.waset.org/abstracts/search?q=trajectory%20tracking" title=" trajectory tracking"> trajectory tracking</a> </p> <a href="https://publications.waset.org/abstracts/24357/comparative-study-between-direct-torque-control-and-sliding-mode-control-of-sensorless-induction-machine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24357.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">598</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">51</span> Modelling and Simulation of Photovoltaic Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Berrabeh">Fouad Berrabeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabir%20Messalti"> Sabir Messalti </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The performances of the photovoltaic systems are very dependent on different conditions, such as solar irradiation, temperature, etc. Therefore, it is very important to provide detailed studies for different cases in order to provide continuously power, so the photovoltaic system must be properly sized. This paper presents the modelling and simulation of the photovoltaic cell using single diode model. I-V characteristics and P-V characteristics are presented and it verified at different conditions (irradiance effect, temperature effect, series resistance effect). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photovoltaic%20cell" title="photovoltaic cell">photovoltaic cell</a>, <a href="https://publications.waset.org/abstracts/search?q=BP%20SX%20150%20BP%20solar%20photovoltaic%20module" title=" BP SX 150 BP solar photovoltaic module"> BP SX 150 BP solar photovoltaic module</a>, <a href="https://publications.waset.org/abstracts/search?q=irradiance%20effect" title=" irradiance effect"> irradiance effect</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature%20effect" title=" temperature effect"> temperature effect</a>, <a href="https://publications.waset.org/abstracts/search?q=series%20resistance%20effect" title=" series resistance effect"> series resistance effect</a>, <a href="https://publications.waset.org/abstracts/search?q=I%E2%80%93V%20characteristics" title=" I–V characteristics"> I–V characteristics</a>, <a href="https://publications.waset.org/abstracts/search?q=P%E2%80%93V%20characteristics" title=" P–V characteristics"> P–V characteristics</a> </p> <a href="https://publications.waset.org/abstracts/16671/modelling-and-simulation-of-photovoltaic-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16671.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">490</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">50</span> A Unified Approach to Support the Coordination of Usability Work in Agile Software Development</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Abdulameer%20Salman">Fouad Abdulameer Salman</a>, <a href="https://publications.waset.org/abstracts/search?q=Aziz%20Bin%20Deraman"> Aziz Bin Deraman</a>, <a href="https://publications.waset.org/abstracts/search?q=Masita%20Binti%20Abdul%20Jalil"> Masita Binti Abdul Jalil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Usability evaluation is essential for developing usable software systems, yet its integration within agile software development remains a challenging interdisciplinary endeavour. In this paper, the authors present a study to investigate obstacles of such integration from the management perspective. The study incorporates two methods, namely an online questionnaire survey and a series of interviews with participants that answered the questionnaire. Based on the obtained results, a unified approach is proposed for enabling coordinate the efforts of agile developers and usability engineers to produce usable software systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=usability" title="usability">usability</a>, <a href="https://publications.waset.org/abstracts/search?q=usability%20evaluation" title=" usability evaluation"> usability evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20development%20process" title=" software development process"> software development process</a>, <a href="https://publications.waset.org/abstracts/search?q=usability%20management" title=" usability management"> usability management</a> </p> <a href="https://publications.waset.org/abstracts/85662/a-unified-approach-to-support-the-coordination-of-usability-work-in-agile-software-development" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85662.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">459</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">49</span> Economic and Technical Study for Hybrid (PV/Wind) Power System in the North East of Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nabila%20Louai">Nabila Louai</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Khaldi"> Fouad Khaldi</a>, <a href="https://publications.waset.org/abstracts/search?q=Houria%20Benharchache"> Houria Benharchache</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the case of meeting a household’s electrical energy demand with hybrid systems has been examined. The objective is to study technological feasibility and economic viability of the electrification project by a hybrid system (PV/ wind) of a residential home located in Batna-Algeria and to reduce the emissions from traditional power by using renewable energy. An autonomous hybrid wind/photovoltaic (PV)/battery power system and a PV/Wind grid connected system, has been carried out using Hybrid Optimization Model for Electric Renewable (HOMER) simulation software. As a result, it has been found that electricity from the grid can be supplied at a lower price than electricity from renewable energy at this moment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=batna" title="batna">batna</a>, <a href="https://publications.waset.org/abstracts/search?q=household" title=" household"> household</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20system" title=" hybrid system"> hybrid system</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=techno-economy" title=" techno-economy"> techno-economy</a> </p> <a href="https://publications.waset.org/abstracts/32868/economic-and-technical-study-for-hybrid-pvwind-power-system-in-the-north-east-of-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32868.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">602</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">48</span> Protective Effect of Thymoquinone against Nephrotoxicity Induced by Cadmium in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amr%20A.%20Fouad">Amr A. Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamed%20A.%20Alwadaani"> Hamed A. Alwadaani</a>, <a href="https://publications.waset.org/abstracts/search?q=Iyad%20Jresat"> Iyad Jresat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study investigated the protective effect of thymoquinone (TQ), against cadmium-induced kidney injury in rats. Cadmium chloride (1.2 mg Cd/kg/day, s.c.), was given for nine weeks. TQ treatment (40 mg/kg/day, p.o.) started on the same day of cadmium administration and continued for nine weeks. TQ significantly decreased serum creatinine, renal malondialdehyde and nitric oxide, and significantly increased renal reduced glutathione in rats received cadmium. Histopathological examination showed that TQ markedly minimized renal tissue damage induced by cadmium. Immunohistochemical analysis revealed that TQ markedly decreased the cadmium-induced expression of inducible nitric oxide synthase, tumor necrosis factor-α, cyclooxygenase-2, and caspase-3 in renal tissue. It was concluded that TQ significantly protected against cadmium nephrotoxicity in rats, through its antioxidant, antiinflammatory, and antiapoptotic actions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thymoquinone" title="thymoquinone">thymoquinone</a>, <a href="https://publications.waset.org/abstracts/search?q=cadmium" title=" cadmium"> cadmium</a>, <a href="https://publications.waset.org/abstracts/search?q=kidney" title=" kidney"> kidney</a>, <a href="https://publications.waset.org/abstracts/search?q=rats" title=" rats"> rats</a> </p> <a href="https://publications.waset.org/abstracts/38527/protective-effect-of-thymoquinone-against-nephrotoxicity-induced-by-cadmium-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38527.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">418</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">47</span> Protective Effect of Thymoquinone against Arsenic-Induced Testicular Toxicity in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amr%20A.%20Fouad">Amr A. Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Waleed%20H.%20Albuali"> Waleed H. Albuali</a>, <a href="https://publications.waset.org/abstracts/search?q=Iyad%20Jresat"> Iyad Jresat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The protective effect of thymoquinone (TQ) was investigated in rats exposed to testicular injury induced by sodium arsenite (10mg/kg/day, orally, for two days). TQ treatment (10mg/kg/day, intraperitoneal injection) was applied for five days, starting three day before arsenic administration. TQ significantly attenuated the arsenic-induced decreases of serum testosterone, and testicular reduced glutathione level, and significantly decreased the elevations of testicular malondialdehyde and nitric oxide levels resulted from arsenic administration. Also, TQ ameliorated the arsenic-induced testicular tissue injury observed by histopathological examination. In addition, TQ decreased the arsenic-induced expression of inducible nitric oxide synthase and caspase-3 in testicular tissue. It was concluded that TQ may represent a potential candidate to protect against arsenic-induced testicular injury. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thymoquinone" title="thymoquinone">thymoquinone</a>, <a href="https://publications.waset.org/abstracts/search?q=arsenic" title=" arsenic"> arsenic</a>, <a href="https://publications.waset.org/abstracts/search?q=testes" title=" testes"> testes</a>, <a href="https://publications.waset.org/abstracts/search?q=rats" title=" rats"> rats</a> </p> <a href="https://publications.waset.org/abstracts/6289/protective-effect-of-thymoquinone-against-arsenic-induced-testicular-toxicity-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6289.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">299</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> Protective Effect of Hesperidin against Cyclophosphamide Hepatotoxicity in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amr%20A.%20Fouad">Amr A. Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Waleed%20H.%20Albuali"> Waleed H. Albuali</a>, <a href="https://publications.waset.org/abstracts/search?q=Iyad%20Jresat"> Iyad Jresat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The protective effect of hesperidin was investigated in rats exposed to liver injury induced by a single intraperitoneal injection of cyclophosphamide (CYP) at a dose of 150 mg kg-1. Hesperidin treatment (100 mg kg-1/day, orally) was applied for seven days, starting five days before CYP administration. Hesperidin significantly decreased the CYP-induced elevations of serum alanine aminotransferase, and hepatic malondialdehyde and myeloperoxidase activity, significantly prevented the depletion of hepatic glutathione peroxidase activity resulted from CYP administration. Also, hesperidin ameliorated the CYP-induced liver tissue injury observed by histopathological examination. In addition, hesperidin decreased the CYP-induced expression of inducible nitric oxide synthase, tumor necrosis factor-α, cyclooxygenase-2, Fas ligand, and caspase-9 in liver tissue. It was concluded that hesperidin may represent a potential candidate to protect against CYP-induced hepatotoxicity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hesperidin" title="hesperidin">hesperidin</a>, <a href="https://publications.waset.org/abstracts/search?q=cyclophosphamide" title=" cyclophosphamide"> cyclophosphamide</a>, <a href="https://publications.waset.org/abstracts/search?q=liver" title=" liver"> liver</a>, <a href="https://publications.waset.org/abstracts/search?q=rats" title=" rats"> rats</a> </p> <a href="https://publications.waset.org/abstracts/11037/protective-effect-of-hesperidin-against-cyclophosphamide-hepatotoxicity-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11037.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">319</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> Comparison Between PID and PD Controllers for 4 Cable-Based Robots</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Inel">Fouad Inel</a>, <a href="https://publications.waset.org/abstracts/search?q=Lakhdar%20Khochemane"> Lakhdar Khochemane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents a comparative response specification performance between two controllers of three and four cable based robots for various applications. The main objective of this work is: the first is to use the direct and inverse geometric model to study and simulate the end effector position of the robot with three and four cables. A graphical user interface has been implemented in order to visualizing the position of the robot. Secondly, we present the determination of static and dynamic tensions and lengths of cables required to flow different trajectories. At the end, we study the response of our systems in closed loop with a Proportional-IntegratedDerivative (PID) and Proportional-Integrated (PD) controllers then this last are compared the results of the same examples using MATLAB/Simulink; we found that the PID method gives the better performance, such as rapidly speed response, settling time, compared to PD controller. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dynamic%20modeling" title="dynamic modeling">dynamic modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=geometric%20modeling" title=" geometric modeling"> geometric modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=graphical%20user%20interface" title=" graphical user interface"> graphical user interface</a>, <a href="https://publications.waset.org/abstracts/search?q=open%20loop" title=" open loop"> open loop</a>, <a href="https://publications.waset.org/abstracts/search?q=parallel%20cable-based%20robots" title=" parallel cable-based robots"> parallel cable-based robots</a>, <a href="https://publications.waset.org/abstracts/search?q=PID%2FPD%20controllers" title=" PID/PD controllers "> PID/PD controllers </a> </p> <a href="https://publications.waset.org/abstracts/24470/comparison-between-pid-and-pd-controllers-for-4-cable-based-robots" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24470.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">422</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> Comparison Performance between PID and PD Controllers for 3 and 4 Cable-Based Robots </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fouad.%20Inel">Fouad. Inel</a>, <a href="https://publications.waset.org/abstracts/search?q=Lakhdar.%20Khochemane"> Lakhdar. Khochemane </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents a comparative response specification performance between two controllers of three and four cable based robots for various applications. The main objective of this work is: The first is to use the direct and inverse geometric model to study and simulate the end effector position of the robot with three and four cables. A graphical user interface has been implemented in order to visualizing the position of the robot. Secondly, we present the determination of static and dynamic tensions and lengths of cables required to flow different trajectories. At the end, we study the response of our systems in closed loop with a Proportional-Integrated Derivative (PID) and Proportional-Integrated (PD) controllers then this last are compared the results of the same examples using MATLAB/Simulink; we found that the PID method gives the better performance, such as rapidly speed response, settling time, compared to PD controller. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=parallel%20cable-based%20robots" title="parallel cable-based robots">parallel cable-based robots</a>, <a href="https://publications.waset.org/abstracts/search?q=geometric%20modeling" title=" geometric modeling"> geometric modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20modeling" title=" dynamic modeling"> dynamic modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=graphical%20user%20interface" title=" graphical user interface"> graphical user interface</a>, <a href="https://publications.waset.org/abstracts/search?q=open%20loop" title=" open loop"> open loop</a>, <a href="https://publications.waset.org/abstracts/search?q=PID%2FPD%20controllers" title=" PID/PD controllers"> PID/PD controllers</a> </p> <a href="https://publications.waset.org/abstracts/13689/comparison-performance-between-pid-and-pd-controllers-for-3-and-4-cable-based-robots" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13689.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">451</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Investigating the Role of Community in Heritage Conservation through the Ladder of Citizen Participation Approach: Case Study, Port Said, Egypt </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sara%20S.%20Fouad">Sara S. Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Omneya%20Messallam"> Omneya Messallam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Egypt has countless prestigious buildings and diversity of cultural heritage which are located in many cities. Most of the researchers, archaeologists, stakeholders and governmental bodies are paying more attention to the big cities such as Cairo and Alexandria, due to the country’s centralization nature. However, there are other historic cities that are grossly neglected and in need of emergency conservation. For instance, Port Said which is a former colonial city that was established in nineteenth century located at the edge of the northeast Egyptian coast between the Mediterranean Sea and the Suez Canal. This city is chosen because it presents one of the important Egyptian archaeological sites that archive Egyptian architecture of the 19<sup>th</sup> and 20<sup>th</sup> centuries. The historic urban fabric is divided into three main districts; the Arab, the European (Al-Afrang), and Port Fouad. The European district is selected to be the research case study as it has culture diversity, significant buildings, and includes the largest number of the listed heritage buildings in Port Said. Based on questionnaires and interviews, since 2003 several initiative trials have been taken by Alliance Francaise, the National Organization for Urban Harmony (NOUH), some Non-Governmental Organizations (NGOs), and few number of community residents to highlight the important city legacy and protect it from being demolished. Unfortunately, the limitation of their participation in decision-making policies is considered a crucial threat facing sustainable heritage conservation. Therefore, encouraging the local community to participate in their architecture heritage conservation would create a self-confident one, capable of making decisions for the city’s future development. This paper aims to investigate the role of the local inhabitants in protecting their buildings heritage through listing the community level of participations twice (2012 and 2018) in preserving their heritage based on the ladder citizen participation approach. Also, it is to encourage community participation in order to promote city architecture conservation, heritage management, and sustainable development. The methodology followed in this empirical research involves using several data assembly methods such as structural observations, questionnaires, interviews, and mental mapping. The questionnaire was distributed among 92 local inhabitants aged 18-60 years. However, the outset of this research at the beginning demonstrated the majority negative attitude, motivation, and confidence of the local inhabitants’ role to safeguard their architectural heritage. Over time, there was a change in the negative attitudes. Therefore, raising public awareness and encouraging community participation by providing them with a real opportunity to take part in the decision-making. This may lead to a positive relationship between the community residents and the built heritage, which is essential for promoting its preservation and sustainable development. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=buildings%20preservation" title="buildings preservation">buildings preservation</a>, <a href="https://publications.waset.org/abstracts/search?q=community%20participation" title=" community participation"> community participation</a>, <a href="https://publications.waset.org/abstracts/search?q=heritage%20conservation" title=" heritage conservation"> heritage conservation</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20inhabitant" title=" local inhabitant"> local inhabitant</a>, <a href="https://publications.waset.org/abstracts/search?q=ladder%20of%20citizen%20participation" title=" ladder of citizen participation"> ladder of citizen participation</a> </p> <a href="https://publications.waset.org/abstracts/99255/investigating-the-role-of-community-in-heritage-conservation-through-the-ladder-of-citizen-participation-approach-case-study-port-said-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99255.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">168</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">42</span> Sliding Mode Speed Controller of Photovoltaic Pumping System </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kessal%20Abdelhalim">Kessal Abdelhalim</a>, <a href="https://publications.waset.org/abstracts/search?q=Zebiri%20Fouad"> Zebiri Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Rahmani%20Lazhar"> Rahmani Lazhar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an analysis by which the dynamic performances of a permanent magnet brushless DC (PMBLDC) motor is controlled through a hysteresis current loop and an outer speed loop with different controllers. The dynamics of the photovoltaic pumping drive system with sliding mode speed controllers are presented. The proposed structure is constituted of photovoltaic generator associated to DC-DC converter controlled by fuzzy logic to ensure the maximum power point tracking. The PWM signals are generated by the interaction of the motor speed closed-loop system and the current hysteresis. The motor reference current is compared with the motor speed feedback signal. The considered model has been implemented in Matlab/Simpower environment. The results show the effectiveness of the proposed method to increase the performance of the water pumping system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title="photovoltaic">photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=permanent%20magnet%20brushless%20DC%20%28PMBLDC%29%20motor" title=" permanent magnet brushless DC (PMBLDC) motor"> permanent magnet brushless DC (PMBLDC) motor</a>, <a href="https://publications.waset.org/abstracts/search?q=MPPT" title=" MPPT"> MPPT</a>, <a href="https://publications.waset.org/abstracts/search?q=speed%20control" title=" speed control"> speed control</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy" title=" fuzzy"> fuzzy</a>, <a href="https://publications.waset.org/abstracts/search?q=sliding%20mode" title=" sliding mode"> sliding mode</a> </p> <a href="https://publications.waset.org/abstracts/15928/sliding-mode-speed-controller-of-photovoltaic-pumping-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15928.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">678</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Investigating Geopolymerization Process of Aluminosilicates and its Impact on the Compressive Strength of the Produced Geopolymers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Heba%20Fouad">Heba Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20M.%20Madkour">Tarek M. Madkour</a>, <a href="https://publications.waset.org/abstracts/search?q=Safwan%20A.%20Khedr"> Safwan A. Khedr </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper investigates multiple factors that impact the formation of geopolymers and their compressive strength to be utilized in construction as an environmentally-friendly material. Bentonite and Kaolinite were thermally calcinated at 750 °C to obtain Metabentonite and Metakaolinite with higher reactivity. Both source materials were activated using a solution of sodium hydroxide (NaOH). Thereafter, samples were cured at different temperatures. The samples were analyzed chemically using a host of spectroscopic techniques. The bulk density and compressive strength of the produced Geopolymer pastes were studied. Findings indicate that the ratio of NaOH solution to source material affects the compressive strength, being optimal at 0.54. Moreover, controlled heat curing was proven effective to improve compressive strength. The existence of characteristic Fourier Transform Infrared Spectroscopy (FTIR) peaks at approximately 1020 cm-1 and 460 cm-1 which corresponds to the asymmetric stretching vibration of Si-O-T and bending vibration of Si-O-Si, hence, confirming the formation of the target geopolymer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcination%20of%20metakaolinite" title="calcination of metakaolinite">calcination of metakaolinite</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength" title=" compressive strength"> compressive strength</a>, <a href="https://publications.waset.org/abstracts/search?q=FTIR%20analysis" title=" FTIR analysis"> FTIR analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=geopolymer" title=" geopolymer"> geopolymer</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20cement" title=" green cement"> green cement</a> </p> <a href="https://publications.waset.org/abstracts/135564/investigating-geopolymerization-process-of-aluminosilicates-and-its-impact-on-the-compressive-strength-of-the-produced-geopolymers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135564.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">171</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> Pattern Recognition Based on Simulation of Chemical Senses (SCS)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nermeen%20El%20Kashef">Nermeen El Kashef</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasser%20Fouad"> Yasser Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Mahar"> Khaled Mahar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> No AI-complete system can model the human brain or behavior, without looking at the totality of the whole situation and incorporating a combination of senses. This paper proposes a Pattern Recognition model based on Simulation of Chemical Senses (SCS) for separation and classification of sign language. The model based on human taste controlling strategy. The main idea of the introduced model is motivated by the facts that the tongue cluster input substance into its basic tastes first, and then the brain recognizes its flavor. To implement this strategy, two level architecture is proposed (this is inspired from taste system). The separation-level of the architecture focuses on hand posture cluster, while the classification-level of the architecture to recognizes the sign language. The efficiency of proposed model is demonstrated experimentally by recognizing American Sign Language (ASL) data set. The recognition accuracy obtained for numbers of ASL is 92.9 percent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title="artificial intelligence">artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=biocybernetics" title=" biocybernetics"> biocybernetics</a>, <a href="https://publications.waset.org/abstracts/search?q=gustatory%20system" title=" gustatory system"> gustatory system</a>, <a href="https://publications.waset.org/abstracts/search?q=sign%20language%20recognition" title=" sign language recognition"> sign language recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=taste%20sense" title=" taste sense"> taste sense</a> </p> <a href="https://publications.waset.org/abstracts/40814/pattern-recognition-based-on-simulation-of-chemical-senses-scs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40814.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">295</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Low-Level Forced and Ambient Vibration Tests on URM Building Strengthened by Dampers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rafik%20Taleb">Rafik Taleb</a>, <a href="https://publications.waset.org/abstracts/search?q=Farid%20Bouriche"> Farid Bouriche</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Boukri"> Mehdi Boukri</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Kehila"> Fouad Kehila</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the paper is to investigate the dynamic behavior of an unreinforced masonry (URM) building strengthened by DC-90 dampers by ambient and low-level forced vibration tests. Ambient and forced vibration techniques are usually applied to reinforced concrete or steel buildings to understand and identify their dynamic behavior, however, less is known about their applicability for masonry buildings. Ambient vibrations were measured before and after strengthening of the URM building by DC-90 dampers system. For forced vibration test, a series of low amplitude steady state harmonic forced vibration tests were conducted after strengthening using eccentric mass shaker. The resonant frequency curves, mode shapes and damping coefficients as well as stress distribution in the steel braces of the DC-90 dampers have been investigated and could be defined. It was shown that the dynamic behavior of the masonry building, even if not regular and with deformable floors, can be effectively represented. It can be concluded that the strengthening of the building does not change the dynamic properties of the building due to the fact of low amplitude excitation which do not activate the dampers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ambient%20vibrations" title="ambient vibrations">ambient vibrations</a>, <a href="https://publications.waset.org/abstracts/search?q=masonry%20buildings" title=" masonry buildings"> masonry buildings</a>, <a href="https://publications.waset.org/abstracts/search?q=forced%20vibrations" title=" forced vibrations"> forced vibrations</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20dynamic%20identification" title=" structural dynamic identification"> structural dynamic identification</a> </p> <a href="https://publications.waset.org/abstracts/41511/low-level-forced-and-ambient-vibration-tests-on-urm-building-strengthened-by-dampers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41511.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">410</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> The Importance of Artificial Intelligence on Arts and Design</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mariam%20Adel%20Hakim%20Fouad">Mariam Adel Hakim Fouad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This quantitative examine investigates innovative arts teachers' perceptions regarding the implementation of an Inclusive innovative Arts curriculum. The study employs a descriptive method utilizing a 5-point Likert scale questionnaire comprising 15 objects to acquire data from innovative arts educators. The Census, with a disproportionate stratified sampling approach, became utilized to pick out 226 teachers from five academic circuits (Circuit A, B, C, D & E) within Offinso Municipality, Ghana. The findings suggest that most innovative arts instructors maintain a wonderful belief in enforcing an inclusive, innovative arts curriculum. Wonderful perceptions and attitudes amongst teachers are correlated with improved scholar engagement and participation in class sports. This has a look at recommends organizing workshops and in-carrier schooling periods centered on inclusive innovative arts schooling for creative Arts instructors. Moreover, it shows that colleges of education and universities accountable for trainer schooling integrate foundational guides in creative arts and special schooling into their number one schooling teacher training packages. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arts-in-health" title="arts-in-health">arts-in-health</a>, <a href="https://publications.waset.org/abstracts/search?q=evidence%20based%20medicine" title=" evidence based medicine"> evidence based medicine</a>, <a href="https://publications.waset.org/abstracts/search?q=arts%20for%20health" title=" arts for health"> arts for health</a>, <a href="https://publications.waset.org/abstracts/search?q=expressive%20arts%20therapiesarts" title=" expressive arts therapiesarts"> expressive arts therapiesarts</a>, <a href="https://publications.waset.org/abstracts/search?q=cultural%20heritage" title=" cultural heritage"> cultural heritage</a>, <a href="https://publications.waset.org/abstracts/search?q=digitalization" title=" digitalization"> digitalization</a>, <a href="https://publications.waset.org/abstracts/search?q=ICTarts" title=" ICTarts"> ICTarts</a>, <a href="https://publications.waset.org/abstracts/search?q=design" title=" design"> design</a>, <a href="https://publications.waset.org/abstracts/search?q=font" title=" font"> font</a>, <a href="https://publications.waset.org/abstracts/search?q=identity" title=" identity"> identity</a> </p> <a href="https://publications.waset.org/abstracts/189742/the-importance-of-artificial-intelligence-on-arts-and-design" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189742.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">30</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Evaluation of Gasoline Engine Piston with Various Coating Materials Using Finite Element Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nouby%20Ghazaly">Nouby Ghazaly</a>, <a href="https://publications.waset.org/abstracts/search?q=Gamal%20Fouad"> Gamal Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Abd-El-Tawwab"> Ali Abd-El-Tawwab</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20A.%20Abd%20El-Gwwad"> K. A. Abd El-Gwwad </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper is to examine the piston stress distribution using several thicknesses of the coating materials to achieve higher gasoline engine performance. First of all, finite element structure analysis is used to uncoated petrol piston made of aluminum alloy. Then, steel and cast-iron piston materials are conducted and compared with the aluminum piston. After that, investigation of four coating materials namely, yttria-stabilized zirconia, magnesia-stabilized zirconia, alumina, and mullite are studied for each piston materials. Next, influence of various thickness coating layers on the structure stresses of the top surfaces is examined. Comparison between simulated results for aluminum, steel, and cast-iron materials is reported. Moreover, the influences of different coating thickness on the Von Mises stresses of four coating materials are investigated. From the simulation results, it can report that the maximum Von Mises stresses and deformations for the piston materials are decreasing with increasing the coating thickness for magnesia-stabilized zirconia, yttria-stabilized zirconia, mullite and alumina coated materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=structure%20analysis" title="structure analysis">structure analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=aluminum%20piston" title=" aluminum piston"> aluminum piston</a>, <a href="https://publications.waset.org/abstracts/search?q=MgZrO%E2%82%83" title=" MgZrO₃"> MgZrO₃</a>, <a href="https://publications.waset.org/abstracts/search?q=YTZ" title=" YTZ"> YTZ</a>, <a href="https://publications.waset.org/abstracts/search?q=mullite%20and%20alumina" title=" mullite and alumina"> mullite and alumina</a> </p> <a href="https://publications.waset.org/abstracts/106028/evaluation-of-gasoline-engine-piston-with-various-coating-materials-using-finite-element-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106028.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">152</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Evaluating Hyperelastic Properties of Geotextiles under Uniaxial Loading</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Belhadj%20Fatma%20Zohra">Belhadj Fatma Zohra</a>, <a href="https://publications.waset.org/abstracts/search?q=Belhadj%20Ahmed%20Fouad"> Belhadj Ahmed Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Chabaat%20Mohamed"> Chabaat Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The properties of geotextiles can impact the long-term behavior of reinforced soils, which can lead to unexpected problems such as instability and excessive deformation. Research into the material’s rheological properties and nonlinear behavior is required to overcome this issue. This study focuses on six isotropic hyperelastic models (Neo-Hooke, Mooney-Rivlin, Ogden, Yeoh, Arruda-Boyce, and Van der Waals) commonly used to describe the behavior of PET woven geotextiles in civil engineering applications. The models are adjusted for uniaxial tension testing in the warp and weft directions based on experimental data; the Yeoh and Neo-Hooke models accurately predict the behavior of these geotextiles. The study aims to enhance an understanding of how geotextiles behave under varying loads through testing and finite element simulations. The strong correlation between experimental and simulation results can help develop hyperelastic material models for geotextiles. This framework can be beneficial for manufacturers and engineers in addressing soil-structure interaction concerns effectively in their projects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=soil-structure%20interaction%20interface" title="soil-structure interaction interface">soil-structure interaction interface</a>, <a href="https://publications.waset.org/abstracts/search?q=geotextiles%20rheological%20characteristics" title=" geotextiles rheological characteristics"> geotextiles rheological characteristics</a>, <a href="https://publications.waset.org/abstracts/search?q=hyperelastic%20models" title=" hyperelastic models"> hyperelastic models</a>, <a href="https://publications.waset.org/abstracts/search?q=uniaxial%20tension%20testing" title=" uniaxial tension testing"> uniaxial tension testing</a>, <a href="https://publications.waset.org/abstracts/search?q=FEA%20modeling" title=" FEA modeling"> FEA modeling</a> </p> <a href="https://publications.waset.org/abstracts/196187/evaluating-hyperelastic-properties-of-geotextiles-under-uniaxial-loading" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/196187.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">8</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Dynamic Analysis of Nanosize FG Rectangular Plates Based on Simple Nonlocal Quasi 3D HSDT</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sabrina%20Boutaleb">Sabrina Boutaleb</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Bourad"> Fouad Bourad</a>, <a href="https://publications.waset.org/abstracts/search?q=Kouider%20Halim%20Benrahou"> Kouider Halim Benrahou</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelouahed%20Tounsi"> Abdelouahed Tounsi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present work, the dynamic analysis of the functionally graded rectangular nanoplates is studied. The theory of nonlocal elasticity based on the quasi 3D high shear deformation theory (quasi 3D HSDT) has been employed to determine the natural frequencies of the nanosized FG plate. In HSDT, a cubic function is employed in terms of thickness coordinates to introduce the influence of transverse shear deformation and stretching thickness. The theory of nonlocal elasticity is utilized to examine the impact of the small scale on the natural frequency of the FG rectangular nanoplate. The equations of motion are deduced by implementing Hamilton’s principle. To demonstrate the accuracy of the proposed method, the calculated results in specific cases are compared and examined with available results in the literature, and a good agreement is observed. Finally, the influence of the various parameters, such as the nonlocal coefficient, the material indexes, the aspect ratio, and the thickness-to-length ratio, on the dynamic properties of the FG nanoplates is illustrated and discussed in detail. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nonlocal%20elasticity%20theory" title="nonlocal elasticity theory">nonlocal elasticity theory</a>, <a href="https://publications.waset.org/abstracts/search?q=FG%20nanoplate" title=" FG nanoplate"> FG nanoplate</a>, <a href="https://publications.waset.org/abstracts/search?q=free%20vibration" title=" free vibration"> free vibration</a>, <a href="https://publications.waset.org/abstracts/search?q=refined%20theory" title=" refined theory"> refined theory</a>, <a href="https://publications.waset.org/abstracts/search?q=elastic%20foundation" title=" elastic foundation"> elastic foundation</a> </p> <a href="https://publications.waset.org/abstracts/165422/dynamic-analysis-of-nanosize-fg-rectangular-plates-based-on-simple-nonlocal-quasi-3d-hsdt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165422.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">120</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Simulation for Squat Exercise of an Active Controlled Vibration Isolation and Stabilization System for Astronaut’s Exercise Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ziraguen%20O.%20Williams">Ziraguen O. Williams</a>, <a href="https://publications.waset.org/abstracts/search?q=Shield%20B.%20Lin"> Shield B. Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20N.%20Matari"> Fouad N. Matari</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20J.%20Quiocho"> Leslie J. Quiocho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In a task to assist NASA in analyzing the dynamic forces caused by operational countermeasures of an astronaut’s exercise platform impacting the spacecraft, feedback delay, and signal noise were added to a simulation model of an active-controlled vibration isolation system to regulate the movement of the exercise platform. Previous simulation work was conducted primarily via MATLAB/Simulink. Two additional simulation tools used in this study were Trick and MBDyn, NASA co-developed software simulation environments. Simulation results obtained from these three tools were very similar. All simulation results support the hypothesis that an active-controlled vibration isolation system outperforms a passive-controlled system even with the addition of feedback delay and signal noise to the active-controlled system. In this paper, squat exercise was used in creating excited force to the simulation model. The exciter force from a squat exercise was calculated from the motion capture of an exerciser. The simulation results demonstrate much greater transmitted force reduction in the active-controlled system than the passive-controlled system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=control" title="control">control</a>, <a href="https://publications.waset.org/abstracts/search?q=counterweight" title=" counterweight"> counterweight</a>, <a href="https://publications.waset.org/abstracts/search?q=isolation" title=" isolation"> isolation</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration" title=" vibration"> vibration</a> </p> <a href="https://publications.waset.org/abstracts/147104/simulation-for-squat-exercise-of-an-active-controlled-vibration-isolation-and-stabilization-system-for-astronauts-exercise-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147104.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">113</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Effect of Rainflow Cycle Number on Fatigue Lifetime of an Arm of Vehicle Suspension System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hatem%20Mrad">Hatem Mrad</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Bouazara"> Mohamed Bouazara</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Erchiqui"> Fouad Erchiqui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fatigue, is considered as one of the main cause of mechanical properties degradation of mechanical parts. Probability and reliability methods are appropriate for fatigue analysis using uncertainties that exist in fatigue material or process parameters. Current work deals with the study of the effect of the number and counting Rainflow cycle on fatigue lifetime (cumulative damage) of an upper arm of the vehicle suspension system. The major part of the fatigue damage induced in suspension arm is caused by two main classes of parameters. The first is related to the materials properties and the second is the road excitation or the applied force of the passenger’s number. Therefore, Young's modulus and road excitation are selected as input parameters to conduct repetitive simulations by Monte Carlo (MC) algorithm. Latin hypercube sampling method is used to generate these parameters. Response surface method is established according to fatigue lifetime of each combination of input parameters according to strain-life method. A PYTHON script was developed to automatize finite element simulations of the upper arm according to a design of experiments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fatigue" title="fatigue">fatigue</a>, <a href="https://publications.waset.org/abstracts/search?q=monte%20carlo" title=" monte carlo"> monte carlo</a>, <a href="https://publications.waset.org/abstracts/search?q=rainflow%20cycle" title=" rainflow cycle"> rainflow cycle</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20surface" title=" response surface"> response surface</a>, <a href="https://publications.waset.org/abstracts/search?q=suspension%20system" title=" suspension system"> suspension system</a> </p> <a href="https://publications.waset.org/abstracts/52617/effect-of-rainflow-cycle-number-on-fatigue-lifetime-of-an-arm-of-vehicle-suspension-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52617.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">256</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Integrated Wastewater Reuse Project of the Faculty of Sciences AinChock, Morocco</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nihad%20Chakri">Nihad Chakri</a>, <a href="https://publications.waset.org/abstracts/search?q=Btissam%20El%20Amrani"> Btissam El Amrani</a>, <a href="https://publications.waset.org/abstracts/search?q=Faouzi%20Berrada"> Faouzi Berrada</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Amraoui"> Fouad Amraoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Morocco, water scarcity requires the exploitation of non-conventional resources. Rural areas are under-equipped with sanitation infrastructure, unlike urban areas. Decentralized and low-cost solutions could improve the quality of life of the population and the environment. In this context, the Faculty of Sciences Ain Chock "FSAC" has undertaken an integrated project to treat part of its wastewater using a decentralized compact system. The project will propose alternative solutions that are inexpensive and adapted to the context of peri-urban and rural areas in order to treat the wastewater generated and use it for irrigation, watering, and cleaning. For this purpose, several tests were carried out in the laboratory in order to develop a liquid waste treatment system optimized for local conditions. Based on the results obtained at the laboratory scale of the different proposed scenarios, we designed and implemented a prototype of a mini wastewater treatment plant for the Faculty. In this article, we will outline the steps of dimensioning, construction, and monitoring of the mini-station in our Faculty. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wastewater" title="wastewater">wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=purification" title=" purification"> purification</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=vertical%20filter" title=" vertical filter"> vertical filter</a>, <a href="https://publications.waset.org/abstracts/search?q=MBBR%20process" title=" MBBR process"> MBBR process</a>, <a href="https://publications.waset.org/abstracts/search?q=sizing" title=" sizing"> sizing</a>, <a href="https://publications.waset.org/abstracts/search?q=decentralized%20pilot" title=" decentralized pilot"> decentralized pilot</a>, <a href="https://publications.waset.org/abstracts/search?q=reuse" title=" reuse"> reuse</a>, <a href="https://publications.waset.org/abstracts/search?q=irrigation" title=" irrigation"> irrigation</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title=" sustainable development"> sustainable development</a> </p> <a href="https://publications.waset.org/abstracts/160485/integrated-wastewater-reuse-project-of-the-faculty-of-sciences-ainchock-morocco" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160485.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">115</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Design and Implementation of an Efficient Solar-Powered Pumping System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mennatallah%20M.%20Fouad">Mennatallah M. Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Omar%20Hussein"> Omar Hussein</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamia%20A.%20Shihata"> Lamia A. Shihata</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main problem in many rural areas is the absence of electricity and limited access to water. The novelty of this work lies in implementing a small-scale experimental setup for a solar-powered water pumping system with a battery back-up system. Cooling and cleaning of the PV panel are implemented to enhance its overall efficiency and output. Moreover, a simulation for a large scale solar-powered pumping system is performed using PVSyst software. Results of the experimental setup show that the PV system with a battery backup proved to be a feasible and viable system to operate the water pumping system. Excess water from the pumping system is used to cool and clean the PV panel and achieved an average percentage increase in the PV output by 21.8%. Simulation results have shown that the system provides adequate output to power the solar-powered system and saves 0.3 tons of CO₂ compared to conventional fossil fuels. It is recommended for hot countries to adopt this system, which would help in decreasing the dependence on the depleting fossil fuels, provide access to electricity to areas where there is no electricity supply and also provide a source of water for crop growth as well as decrease the carbon emissions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=efficient%20solar%20pumping" title="efficient solar pumping">efficient solar pumping</a>, <a href="https://publications.waset.org/abstracts/search?q=PV%20cleaning" title=" PV cleaning"> PV cleaning</a>, <a href="https://publications.waset.org/abstracts/search?q=PV%20cooling" title=" PV cooling"> PV cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=PV-operated%20water%20pump" title=" PV-operated water pump"> PV-operated water pump</a> </p> <a href="https://publications.waset.org/abstracts/117406/design-and-implementation-of-an-efficient-solar-powered-pumping-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117406.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">136</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Modeling of Micro-Grid System Components Using MATLAB/Simulink</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20Fouad">Mahmoud Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Mervat%20Badr"> Mervat Badr</a>, <a href="https://publications.waset.org/abstracts/search?q=Marwa%20Ibrahim"> Marwa Ibrahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Micro-grid system is presently considered a reliable solution for the expected deficiency in the power required from future power systems. Renewable power sources such as wind, solar and hydro offer high potential of benign power for future micro-grid systems. Micro-Grid (MG) is basically a low voltage (LV) or medium voltage (MV) distribution network which consists of a number of called distributed generators (DG’s); micro-sources such as photovoltaic array, fuel cell, wind turbine etc. energy storage systems and loads; operating as a single controllable system, that could be operated in both grid-connected and islanded mode. The capacity of the DG’s is sufficient to support all; or most, of the load connected to the micro-grid. This paper presents a micro-grid system based on wind and solar power sources and addresses issues related to operation, control, and stability of the system. Using Matlab/Simulink, the system is modeled and simulated to identify the relevant technical issues involved in the operation of a micro-grid system based on renewable power generation units. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro-grid%20system" title="micro-grid system">micro-grid system</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title=" photovoltaic"> photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20turbine" title=" wind turbine"> wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20storage" title=" energy storage"> energy storage</a>, <a href="https://publications.waset.org/abstracts/search?q=distributed%20generation" title=" distributed generation"> distributed generation</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a> </p> <a href="https://publications.waset.org/abstracts/70544/modeling-of-micro-grid-system-components-using-matlabsimulink" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70544.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">437</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Managing the Magnetic Protection of Workers in Magnetic Resonance Imaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Safoin%20Aktaou">Safoin Aktaou</a>, <a href="https://publications.waset.org/abstracts/search?q=Aya%20Al%20Masri"> Aya Al Masri</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Guerchouche"> Kamel Guerchouche</a>, <a href="https://publications.waset.org/abstracts/search?q=Malorie%20Martin"> Malorie Martin</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Maaloul"> Fouad Maaloul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: In the ‘Magnetic Resonance Imaging (MRI)’ department, all workers involved in preparing the patient, setting it up, tunnel cleaning, etc. are likely to be exposed to ‘ElectroMagnetic fields (EMF)’ emitted by the MRI device. Exposure to EMF can cause adverse radio-biological effects to workers. The purpose of this study is to propose an organizational process to manage and control EMF risks. Materials and methods: The study was conducted at seven MRI departments using machines with 1.5 and 3 Tesla magnetic fields. We assessed the exposure of each one by measuring the two electromagnetic fields (static and dynamic) at different distances from the MRI machine both inside and around the examination room. Measurement values were compared with British and American references (those of the UK's ‘Medicines and Healthcare Regulatory Agency (MHRA)’ and the ‘American Radiology Society (ACR)’). Results: Following the results of EMF measurements and their comparison with the recommendations of learned societies, a zoning system that adapts to needs of different MRI services across the country has been proposed. In effect, three risk areas have been identified within the MRI services. This has led to the development of a good practice guide related to the magnetic protection of MRI workers. Conclusion: The guide established by our study is a standard that allows MRI workers to protect themselves against the risk of electromagnetic fields. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=comparison%20with%20international%20references" title="comparison with international references">comparison with international references</a>, <a href="https://publications.waset.org/abstracts/search?q=measurement%20of%20electromagnetic%20fields" title=" measurement of electromagnetic fields"> measurement of electromagnetic fields</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20protection%20of%20workers" title=" magnetic protection of workers"> magnetic protection of workers</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20imaging" title=" magnetic resonance imaging"> magnetic resonance imaging</a> </p> <a href="https://publications.waset.org/abstracts/119063/managing-the-magnetic-protection-of-workers-in-magnetic-resonance-imaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119063.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">165</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Coding Structures for Seated Row Simulation of an Active Controlled Vibration Isolation and Stabilization System for Astronaut’s Exercise Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ziraguen%20O.%20Williams">Ziraguen O. Williams</a>, <a href="https://publications.waset.org/abstracts/search?q=Shield%20B.%20Lin"> Shield B. Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20N.%20Matari"> Fouad N. Matari</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20J.%20Quiocho"> Leslie J. Quiocho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Simulation for seated row exercise was a continued task to assist NASA in analyzing a one-dimensional vibration isolation and stabilization system for astronaut’s exercise platform. Feedback delay and signal noise were added to the model as previously done in simulation for squat exercise. Simulation runs for this study were conducted in two software simulation tools, Trick and MBDyn, software simulation environments developed at the NASA Johnson Space Center. The exciter force in the simulation was calculated from the motion capture of an exerciser during a seated row exercise. The simulation runs include passive control, active control using a Proportional, Integral, Derivative (PID) controller, and active control using a Piecewise Linear Integral Derivative (PWLID) controller. Output parameters include displacements of the exercise platform, the exerciser, and the counterweight; transmitted force to the wall of spacecraft; and actuator force to the platform. The simulation results showed excellent force reduction in the actively controlled system compared to the passive controlled system, which showed less force reduction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=control" title="control">control</a>, <a href="https://publications.waset.org/abstracts/search?q=counterweight" title=" counterweight"> counterweight</a>, <a href="https://publications.waset.org/abstracts/search?q=isolation" title=" isolation"> isolation</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration." title=" vibration."> vibration.</a> </p> <a href="https://publications.waset.org/abstracts/154195/coding-structures-for-seated-row-simulation-of-an-active-controlled-vibration-isolation-and-stabilization-system-for-astronauts-exercise-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154195.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">142</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Impact of Natural Degradation of Low Density Polyethylene on Its Morphology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meryem%20Imane%20Babaghayou">Meryem Imane Babaghayou</a>, <a href="https://publications.waset.org/abstracts/search?q=Asma%20Abdelhafidi"> Asma Abdelhafidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Salem%20Fouad%20Chabira"> Salem Fouad Chabira</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Sebaa"> Mohammed Sebaa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A challenge of plastics industries is the realization of materials that resist the degradation in its application environment, and that to guarantee a longer life time therefore an optimal time of use. Blown extruded films of low-density polyethylene (LDPE) supplied by SABIC SAUDI ARABIA blown and extruded in SOFIPLAST company in Setif ALGERIA , have been subjected to climatic ageing in a sub-Saharan facility at Laghouat (Algeria) with direct exposure to sun. Samples were characterized by X-ray diffraction (XRD) and differential scanning calorimetry (DSC) techniques after prescribed amounts of time up to 8 months. It has been shown via these two techniques the impact of UV irradiation on the morphological development of a plastic material, especially the crystallinity degree which increases with exposure time. The reason of these morphological changes is related to photooxidative reactions leading to cross linking in the beginning and to chain scissions for an advanced stage of ageing this last ones are the first responsible. The crystallinity degree change is essentially controlled by the secondary crystallization of the amorphous chains whose mobility is enhanced by the chain scission processes. The diffusion of these short segments integrates the surface of the lamellae increasing in this way their thicknesses. The results presented highlight the complexity of the involved phenomena. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Low%20Density%20poly%20%28Ethylene%29" title="Low Density poly (Ethylene)">Low Density poly (Ethylene)</a>, <a href="https://publications.waset.org/abstracts/search?q=crystallinity" title=" crystallinity"> crystallinity</a>, <a href="https://publications.waset.org/abstracts/search?q=ageing" title=" ageing"> ageing</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=DSC" title=" DSC "> DSC </a> </p> <a href="https://publications.waset.org/abstracts/20663/impact-of-natural-degradation-of-low-density-polyethylene-on-its-morphology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20663.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">408</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Impact of Hepatitis C Virus Chronic Infection on Quality of Life in Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammal%20M.%20Metwally">Ammal M. Metwally</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghada%20A.%20Abdel-Latif"> Ghada A. Abdel-Latif</a>, <a href="https://publications.waset.org/abstracts/search?q=Walaa%20A.%20Fouad"> Walaa A. Fouad</a>, <a href="https://publications.waset.org/abstracts/search?q=Thanaa%20M.%20Rabah"> Thanaa M. Rabah</a>, <a href="https://publications.waset.org/abstracts/search?q=Amira%20Mohsen"> Amira Mohsen</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatma%20A.%20Shaaban"> Fatma A. Shaaban</a>, <a href="https://publications.waset.org/abstracts/search?q=Iman%20I.%20Salama">Iman I. Salama</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study aimed at determining the impact of chronic hepatitis C virus (HCV) infection on patients’ Quality of Life (QoL) , its relation to geographical characteristics of patients, awareness of the disease, treatment regimen, co-morbid psychiatric or other diseases. 457 patients were randomly selected from ten National Treatment Reference Centers of Ministry of Health hospitals from four community locations representing Egypt. Health related QoL assessment questionnaire with the 36-item Short Form used for assessment of the enrolled patients. The study showed no significant difference between HCV patients in different governorates as regards total QoL. Females, illiterate patients and those had bilharziasis, diabetes mellitus, hypertension or were depressed had significantly the lowest QoL score. HCV patients who knew the danger of the disease had significant lower mean score of physical and mental health components. Optimal care of overall well-being of HCV patients requires adequate knowledge of their neurological and psychological status. It is important to know that any patient will need to take the time to know that his new physical limitations do not limit him as a person, as soul, no matter what other people are thinking as a positive hopeful attitude is essential for combating HCV. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hepatitis%20C%20virus%20chronic%20infection%20-%20physical%20health%20component%20and%20mental%20health%20component%20of%20QoL%E2%80%93%20total%20quality%20of%20life" title="hepatitis C virus chronic infection - physical health component and mental health component of QoL– total quality of life">hepatitis C virus chronic infection - physical health component and mental health component of QoL– total quality of life</a> </p> <a href="https://publications.waset.org/abstracts/3583/impact-of-hepatitis-c-virus-chronic-infection-on-quality-of-life-in-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3583.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">450</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> High Precision 65nm CMOS Rectifier for Energy Harvesting using Threshold Voltage Minimization in Telemedicine Embedded System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hafez%20Fouad">Hafez Fouad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Telemedicine applications have very low voltage which required High Precision Rectifier Design with high Sensitivity to operate at minimum input Voltage. In this work, we targeted 0.2V input voltage using 65 nm CMOS rectifier for Energy Harvesting Telemedicine application. The proposed rectifier which designed at 2.4GHz using two-stage structure found to perform in a better case where minimum operation voltage is lower than previous published paper and the rectifier can work at a wide range of low input voltage amplitude. The Performance Summary of Full-wave fully gate cross-coupled rectifiers (FWFR) CMOS Rectifier at F = 2.4 GHz: The minimum and maximum output voltages generated using an input voltage amplitude of 2 V are 490.9 mV and 1.997 V, maximum VCE = 99.85 % and maximum PCE = 46.86 %. The Performance Summary of Differential drive CMOS rectifier with external bootstrapping circuit rectifier at F = 2.4 GHz: The minimum and maximum output voltages generated using an input voltage amplitude of 2V are 265.5 mV (0.265V) and 1.467 V respectively, maximum VCE = 93.9 % and maximum PCE= 15.8 %. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20harvesting" title="energy harvesting">energy harvesting</a>, <a href="https://publications.waset.org/abstracts/search?q=embedded%20system" title=" embedded system"> embedded system</a>, <a href="https://publications.waset.org/abstracts/search?q=IoT%20telemedicine%20system" title=" IoT telemedicine system"> IoT telemedicine system</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20voltage%20minimization" title=" threshold voltage minimization"> threshold voltage minimization</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20drive%20cmos%20rectifier" title=" differential drive cmos rectifier"> differential drive cmos rectifier</a>, <a href="https://publications.waset.org/abstracts/search?q=full-wave%20fully%20gate%20cross-coupled%20rectifiers%20CMOS%20rectifier" title=" full-wave fully gate cross-coupled rectifiers CMOS rectifier"> full-wave fully gate cross-coupled rectifiers CMOS rectifier</a> </p> <a href="https://publications.waset.org/abstracts/150296/high-precision-65nm-cmos-rectifier-for-energy-harvesting-using-threshold-voltage-minimization-in-telemedicine-embedded-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150296.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">163</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span 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