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Mouhou</title> <meta name="description" content="Search results for: Abdelaziz Mouhou"> <meta name="keywords" content="Abdelaziz Mouhou"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="Abdelaziz Mouhou"> <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> 71</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Abdelaziz Mouhou</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">71</span> Synthesis of a Model Predictive Controller for Artificial Pancreas</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20El%20Hachimi">Mohamed El Hachimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelhakim%20Ballouk"> Abdelhakim Ballouk</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilyas%20%20Khelafa"> Ilyas Khelafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Mouhou"> Abdelaziz Mouhou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Type 1 diabetes occurs when beta cells are destroyed by the body's own immune system. Treatment of type 1 diabetes mellitus could be greatly improved by applying a closed-loop control strategy to insulin delivery, also known as an Artificial Pancreas (AP). Method: In this paper, we present a new formulation of the cost function for a Model Predictive Control (MPC) utilizing a technic which accelerates the speed of control of the AP and tackles the nonlinearity of the control problem via asymmetric objective functions. Finding: The finding of this work consists in a new Model Predictive Control algorithm that leads to good performances like decreasing the time of hyperglycaemia and avoiding hypoglycaemia. Conclusion: These performances are validated under in silico trials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20pancreas" title="artificial pancreas">artificial pancreas</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20algorithm" title=" control algorithm"> control algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=biomedical%20control" title=" biomedical control"> biomedical control</a>, <a href="https://publications.waset.org/abstracts/search?q=MPC" title=" MPC"> MPC</a>, <a href="https://publications.waset.org/abstracts/search?q=objective%20function" title=" objective function"> objective function</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinearity" title=" nonlinearity"> nonlinearity</a> </p> <a href="https://publications.waset.org/abstracts/69505/synthesis-of-a-model-predictive-controller-for-artificial-pancreas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69505.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">307</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">70</span> Maximum Power Point Tracking Using FLC Tuned with GA</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Amine%20Haraoubia">Mohamed Amine Haraoubia</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Hamzaoui"> Abdelaziz Hamzaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Najib%20Essounbouli"> Najib Essounbouli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The pursuit of the MPPT has led to the development of many kinds of controllers, one of which is the Fuzzy Logic Controller, which has proven its worth. To further tune this controller this paper will discuss and analyze the use of Genetic Algorithms to tune the Fuzzy Logic Controller. It will provide an introduction to both systems, and test their compatibility and performance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic%20controller" title="fuzzy logic controller">fuzzy logic controller</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic" title=" fuzzy logic"> fuzzy logic</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm" title=" genetic algorithm"> genetic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=maximum%20power%20point" title=" maximum power point"> maximum power point</a>, <a href="https://publications.waset.org/abstracts/search?q=maximum%20power%20point%20tracking" title=" maximum power point tracking"> maximum power point tracking</a> </p> <a href="https://publications.waset.org/abstracts/7055/maximum-power-point-tracking-using-flc-tuned-with-ga" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7055.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">373</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">69</span> Models to Estimate Monthly Mean Daily Global Solar Radiation on a Horizontal Surface in Alexandria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20R.%20Abdelaziz">Ahmed R. Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaki%20M.%20I.%20Osha"> Zaki M. I. Osha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Solar radiation data are of great significance for solar energy system design. This study aims at developing and calibrating new empirical models for estimating monthly mean daily global solar radiation on a horizontal surface in Alexandria, Egypt. Day length hours, sun height, day number, and declination angle calculated data are used for this purpose. A comparison between measured and calculated values of solar radiation is carried out. It is shown that all the proposed correlations are able to predict the global solar radiation with excellent accuracy in Alexandria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solar%20energy" title="solar energy">solar energy</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20solar%20radiation" title=" global solar radiation"> global solar radiation</a>, <a href="https://publications.waset.org/abstracts/search?q=model" title=" model"> model</a>, <a href="https://publications.waset.org/abstracts/search?q=regression%20coefficient" title=" regression coefficient"> regression coefficient</a> </p> <a href="https://publications.waset.org/abstracts/41004/models-to-estimate-monthly-mean-daily-global-solar-radiation-on-a-horizontal-surface-in-alexandria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41004.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">405</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">68</span> Electrical Characterization of Hg/n-bulk GaN Schottky Diode</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Nabil">B. Nabil</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Zahir"> O. Zahir</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Abdelaziz"> R. Abdelaziz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We present the results of electrical characterizations current-voltage and capacity-voltage implementation of a method of making a Schottky diode on bulk gallium nitride doped n. We made temporary Schottky contact of Mercury (Hg) and an ohmic contact of silver (Ag), the electrical characterizations current-voltage (I-V) and capacitance-voltage (C-V) allows us to determine the difference parameters of our structure (Hg /n-GaN) as the barrier height (ΦB), the ideality factor (n), the series resistor (Rs), the voltage distribution (Vd), the doping of the substrate (Nd) and density of interface states (Nss). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bulk%20Gallium%20nitride" title="Bulk Gallium nitride">Bulk Gallium nitride</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20characterization" title=" electrical characterization"> electrical characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=Schottky%20diode" title=" Schottky diode"> Schottky diode</a>, <a href="https://publications.waset.org/abstracts/search?q=series%20resistance" title=" series resistance"> series resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=substrate%20doping" title=" substrate doping"> substrate doping</a> </p> <a href="https://publications.waset.org/abstracts/1498/electrical-characterization-of-hgn-bulk-gan-schottky-diode" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1498.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">485</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">67</span> On the Optimization of a Decentralized Photovoltaic System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zaouche%20Khelil">Zaouche Khelil</a>, <a href="https://publications.waset.org/abstracts/search?q=Talha%20Abdelaziz"> Talha Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Berkouk%20El%20Madjid"> Berkouk El Madjid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present a grid-tied photovoltaic system. The studied topology is structured around a seven-level inverter, supplying a non-linear load. A three-stage step-up DC/DC converter ensures DC-link balancing. The presented system allows the extraction of all the available photovoltaic power. This extracted energy feeds the local load; the surplus energy is injected into the electrical network. During poor weather conditions, where the photovoltaic panels cannot meet the energy needs of the load, the missing power is supplied by the electrical network. At the common connexion point, the network current shows excellent spectral performances. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=seven-level%20inverter" title="seven-level inverter">seven-level inverter</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-level%20DC%2FDC%20converter" title=" multi-level DC/DC converter"> multi-level DC/DC converter</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title=" photovoltaic"> photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=non-linear%20load" title=" non-linear load"> non-linear load</a> </p> <a href="https://publications.waset.org/abstracts/145558/on-the-optimization-of-a-decentralized-photovoltaic-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145558.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">192</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">66</span> Investigation of Damage in Glass Subjected to Static Indentation Using Continuum Damage Mechanics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Ismail">J. Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Za%C3%AFri"> F. Zaïri</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Na%C3%AFt-Abdelaziz"> M. Naït-Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Z.%20Azari"> Z. Azari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, a combined approach of continuum damage mechanics (CDM) and fracture mechanics is applied to model a glass plate behavior under static indentation. A spherical indenter is used and a CDM based constitutive model with an anisotropic damage tensor was selected and implemented into a finite element code to study the damage of glass. Various regions with critical damage values were predicted in good agreement with the experimental observations in the literature. In these regions, the directions of crack propagation, including both cracks initiating on the surface as well as in the bulk, were predicted using the strain energy density factor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20modeling" title="finite element modeling">finite element modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=continuum%20damage%20mechanics" title=" continuum damage mechanics"> continuum damage mechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=indentation" title=" indentation"> indentation</a>, <a href="https://publications.waset.org/abstracts/search?q=cracks" title=" cracks"> cracks</a> </p> <a href="https://publications.waset.org/abstracts/13462/investigation-of-damage-in-glass-subjected-to-static-indentation-using-continuum-damage-mechanics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13462.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">421</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">65</span> The Mechanical Strength and Durability of High Performance Concrete Using Local Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Guemidi">I. Guemidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Abdelaziz"> Y. Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Rikioui"> T. Rikioui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, an experimental investigation was carried out to evaluate the mechanical and durability properties of high performance concretes (HPC) containing local southwest Algerian materials. The mechanical properties were assessed from the compressive strength and the flexural strength, whilst the durability characteristics were investigated in terms of sulphate attack. The results obtained allow us to conclude that it is possible to make a high performance concrete (HPC) based on existing materials in the local market, if these are carefully selected and properly mixed in such away to optimize grain size distribution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=durability" title="durability">durability</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20performance%20concrete" title=" high performance concrete"> high performance concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20%20strength" title=" high strength"> high strength</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20materials" title=" local materials"> local materials</a>, <a href="https://publications.waset.org/abstracts/search?q=Southwest%20Algerian" title=" Southwest Algerian"> Southwest Algerian</a>, <a href="https://publications.waset.org/abstracts/search?q=sulphate%20attack" title=" sulphate attack"> sulphate attack</a> </p> <a href="https://publications.waset.org/abstracts/36786/the-mechanical-strength-and-durability-of-high-performance-concrete-using-local-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36786.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">390</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">64</span> Simulation of I–V Characteristics of Lateral PIN Diode on Polysilicon Films</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Rabhi">Abdelaziz Rabhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Amrani"> Mohamed Amrani</a>, <a href="https://publications.waset.org/abstracts/search?q=Abderrazek%20Ziane"> Abderrazek Ziane</a>, <a href="https://publications.waset.org/abstracts/search?q=Nabil%20Belkadi"> Nabil Belkadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelraouf%20Hocini"> Abdelraouf Hocini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a bedimensional simulation program of the electric characteristics of reverse biased lateral polysilicon PIN diode is presented. In this case we have numerically solved the system of partial differential equations formed by Poisson's equation and both continuity equations that take into account the effect of impact ionization. Therefore we will obtain the current-voltage characteristics (I-V) of the reverse-biased structure which may include the effect of breakdown.The geometrical model assumes that the polysilicon layer is composed by a succession of defined mean grain size crystallites, separated by lateral grain boundaries which are parallel to the metallurgic junction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breakdown" title="breakdown">breakdown</a>, <a href="https://publications.waset.org/abstracts/search?q=polycrystalline%20silicon" title=" polycrystalline silicon"> polycrystalline silicon</a>, <a href="https://publications.waset.org/abstracts/search?q=PIN" title=" PIN"> PIN</a>, <a href="https://publications.waset.org/abstracts/search?q=grain" title=" grain"> grain</a>, <a href="https://publications.waset.org/abstracts/search?q=impact%20ionization" title=" impact ionization"> impact ionization</a> </p> <a href="https://publications.waset.org/abstracts/1337/simulation-of-i-v-characteristics-of-lateral-pin-diode-on-polysilicon-films" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1337.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">381</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">63</span> Genetic Variation of Shvicezebuvides Cattle in Tajikistan Based on Microsatellite Markers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Norezzine%20Abdelaziz">Norezzine Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Rebouh%20Nazih%20Yacer"> Rebouh Nazih Yacer</a>, <a href="https://publications.waset.org/abstracts/search?q=Kezimana%20Parfait"> Kezimana Parfait</a>, <a href="https://publications.waset.org/abstracts/search?q=Parpura%20D.%20I."> Parpura D. I.</a>, <a href="https://publications.waset.org/abstracts/search?q=Gadzhikurbanov%20A."> Gadzhikurbanov A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Anastasios%20Dranidis"> Anastasios Dranidis </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The genetic variation of Shvicezebuvides cattle from three different farms in the Tajikistan Republic was studied using 10 microsatellite markers (SSR). The trials were laid out using a multi- locus analysis system for the analysis of cattle microsatellite locus. An estimated genetic variability of the examined livestock is given in the article. The results of our SSR analysis as well as the numbers and frequencies of common alleles in studied samples, we established a high genetic similarity of studied samples. These results can also be furthermore useful in the decision making for preservation and rational genetic resources usage of the Tajik Shvicezebuvides cattle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=genetic%20characteristic" title="genetic characteristic">genetic characteristic</a>, <a href="https://publications.waset.org/abstracts/search?q=frequencies%20of%20the%20occurrence%20alleles" title=" frequencies of the occurrence alleles"> frequencies of the occurrence alleles</a>, <a href="https://publications.waset.org/abstracts/search?q=microsatellite%20markers" title=" microsatellite markers"> microsatellite markers</a>, <a href="https://publications.waset.org/abstracts/search?q=Swiss%20cattle" title=" Swiss cattle"> Swiss cattle</a> </p> <a href="https://publications.waset.org/abstracts/83760/genetic-variation-of-shvicezebuvides-cattle-in-tajikistan-based-on-microsatellite-markers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83760.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">302</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">62</span> Optimal Planning of Dispatchable Distributed Generators for Power Loss Reduction in Unbalanced Distribution Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20M.%20Othman">Mahmoud M. Othman</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20G.%20Hegazy"> Y. G. Hegazy</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Y.%20Abdelaziz"> A. Y. Abdelaziz </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes a novel heuristic algorithm that aims to determine the best size and location of distributed generators in unbalanced distribution networks. The proposed heuristic algorithm can deal with the planning cases where power loss is to be optimized without violating the system practical constraints. The distributed generation units in the proposed algorithm is modeled as voltage controlled node with the flexibility to be converted to constant power factor node in case of reactive power limit violation. The proposed algorithm is implemented in MATLAB and tested on the IEEE 37 -node feeder. The results obtained show the effectiveness of the proposed algorithm. <p class="card-text"><strong>Keywords:</strong> <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=heuristic%20approach" title=" heuristic approach"> heuristic approach</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=planning" title=" planning"> planning</a> </p> <a href="https://publications.waset.org/abstracts/31208/optimal-planning-of-dispatchable-distributed-generators-for-power-loss-reduction-in-unbalanced-distribution-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31208.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">524</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">61</span> Contribution to the Success of the Energy Audit in the Industrial Environment: A Case Study about Audit of Interior Lighting for an Industrial Site in Morocco </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelkarim%20Ait%20Brik">Abdelkarim Ait Brik</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Khoukh"> Abdelaziz Khoukh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustapha%20Jammali"> Mustapha Jammali</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Chaikhy"> Hamid Chaikhy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The energy audit is the essential initial step to ensure a good definition of energy control actions. The in-depth study of the various energy-consuming equipments makes it possible to determine the actions and investments with best cost for the company. The analysis focuses on the energy consumption of production equipment and utilities (lighting, heating, air conditioning, ventilation, transport). Successful implementation of this approach requires, however, to take into account a number of prerequisites. This paper proposes a number of useful recommendations concerning the energy audit in order to achieve better results, and a case study concerning the lighting audit of a Moroccan company by showing the gains that can be made through this audit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20audit" title="energy audit">energy audit</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20diagnosis" title=" energy diagnosis"> energy diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=consumption" title=" consumption"> consumption</a>, <a href="https://publications.waset.org/abstracts/search?q=electricity" title=" electricity"> electricity</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20efficiency" title=" energy efficiency"> energy efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=lighting%20audit" title=" lighting audit"> lighting audit</a> </p> <a href="https://publications.waset.org/abstracts/77563/contribution-to-the-success-of-the-energy-audit-in-the-industrial-environment-a-case-study-about-audit-of-interior-lighting-for-an-industrial-site-in-morocco" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77563.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">695</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">60</span> A Firefly Based Optimization Technique for Optimal Planning of Voltage Controlled Distributed Generators </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20M.%20Othman">M. M. Othman</a>, <a href="https://publications.waset.org/abstracts/search?q=Walid%20El-Khattam"> Walid El-Khattam</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20G.%20Hegazy"> Y. G. Hegazy</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Y.%20Abdelaziz"> A. Y. Abdelaziz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a method for finding the optimal location and capacity of dispatchable DGs connected to the distribution feeders for optimal planning for a specified power loss without violating the system practical constraints. The distributed generation units in the proposed algorithm is modeled as voltage controlled node with the flexibility to be converted to constant power node in case of reactive power limit violation. The proposed algorithm is implemented in MATLAB and tested on the IEEE 37-nodes feeder. The results that are validated by comparing it with results obtained from other competing methods show the effectiveness, accuracy and speed of the proposed method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=distributed%20generators" title="distributed generators">distributed generators</a>, <a href="https://publications.waset.org/abstracts/search?q=firefly%20technique" title=" firefly technique"> firefly technique</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20loss" title=" power loss"> power loss</a> </p> <a href="https://publications.waset.org/abstracts/6598/a-firefly-based-optimization-technique-for-optimal-planning-of-voltage-controlled-distributed-generators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6598.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">533</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">59</span> Effect of Synthesis Method on Structural, Morphological Properties of Zr0.8Y0.2-xLax Oxides (x=0, 0.1, 0.2)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Ghrib">Abdelaziz Ghrib</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Hattali"> Samir Hattali</a>, <a href="https://publications.waset.org/abstracts/search?q=Mouloud%20Ghrib"> Mouloud Ghrib</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Lamine%20Aouissia"> Mohamed Lamine Aouissia</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Ruch"> David Ruch</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, the solid solutions with a chemical composition of Zr0.8Y0.2-xLaxO2 (x=0, 0.1, 0.2) were synthesized via two routes, by hydrothermal method using NaOH as precipitating agent at 230°C for 15h and by the sol–gel process using citric acid as complexing agent. Compounds have been characterized by powder X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Thermo gravimetric Analysis (TGA) and Differential Thermal Analysis (DTA) techniques for appropriate characterization of the distinct thermal events occurring during synthesis. All the compounds crystallize in cubic fluorite structure, as indicated by X-ray diffraction studie. The microstructure of oxides synthesized by sol-gel showed porosity that increased with the lanthanum La3+ contents compared to hydrothermal method which gives a single crystal oxide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oxide" title="oxide">oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrothermal" title=" hydrothermal"> hydrothermal</a>, <a href="https://publications.waset.org/abstracts/search?q=rare%20earth" title=" rare earth"> rare earth</a>, <a href="https://publications.waset.org/abstracts/search?q=solubility" title=" solubility"> solubility</a>, <a href="https://publications.waset.org/abstracts/search?q=sol-gel" title=" sol-gel"> sol-gel</a>, <a href="https://publications.waset.org/abstracts/search?q=ternary%20mixture" title=" ternary mixture"> ternary mixture</a> </p> <a href="https://publications.waset.org/abstracts/17474/effect-of-synthesis-method-on-structural-morphological-properties-of-zr08y02-xlax-oxides-x0-01-02" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17474.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">642</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">58</span> Monitoring of Forest Cover Dynamics in the High Atlas of Morocco (Zaouit Ahansal) Using Remote Sensing Techniques and GIS</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Moujane">Abdelaziz Moujane</a>, <a href="https://publications.waset.org/abstracts/search?q=Abedelali%20Boulli"> Abedelali Boulli</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellah%20Ouigmane"> Abdellah Ouigmane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work focuses on the assessment of forestlandscape changes in the region of ZaouitAhansal, usingmultitemporal satellite images at high spatial resolution.Severalremotesensingmethodswereappliednamely: The supervised classification algorithm and NDVI whichwerecombined in a GIS environment to quantify the extent and change in density of forest stands (holmoak, juniper, thya, Aleppo pine, crops, and others).The resultsobtainedshowedthat the forest of ZaouitAhansal has undergonesignificantdegradationresulting in a decrease in the area of juniper, cedar, and zeenoak, as well as an increase in the area of baresoil and agricultural land. The remotesensing data providedsatisfactoryresults for identifying and quantifying changes in forestcover. In addition, thisstudycould serve as a reference for the development of management strategies and restoration programs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title="remote sensing">remote sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=satellite%20image" title=" satellite image"> satellite image</a>, <a href="https://publications.waset.org/abstracts/search?q=NDVI" title=" NDVI"> NDVI</a>, <a href="https://publications.waset.org/abstracts/search?q=deforestation" title=" deforestation"> deforestation</a>, <a href="https://publications.waset.org/abstracts/search?q=zaouit%20ahansal" title=" zaouit ahansal"> zaouit ahansal</a> </p> <a href="https://publications.waset.org/abstracts/147105/monitoring-of-forest-cover-dynamics-in-the-high-atlas-of-morocco-zaouit-ahansal-using-remote-sensing-techniques-and-gis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147105.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">153</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">57</span> Turbulent Boundary Layer over 3D Sinusoidal Roughness</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Misarah%20Abdelaziz">Misarah Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=L%20Djenidi"> L Djenidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mergen%20H.%20Ghayesh"> Mergen H. Ghayesh</a>, <a href="https://publications.waset.org/abstracts/search?q=Rey%20Chin"> Rey Chin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Measurements of a turbulent boundary layer over 3D sinusoidal roughness are performed for friction Reynolds numbers ranging from 650 < Reτ < 2700. This surface was fabricated by a Multicam CNC Router machine of an acrylic sheet to have an amplitude of k/2 = 0.8 mm and an equal wavelength of 8k in both streamwise and spanwise directions, a 0.6 mm stepover and 12 mm ball nose cutter was used. Single hotwire anemometry measurements are done at one location x=1.5 m downstream at different freestream velocities under zero-pressure gradient conditions. As expected, the roughness causes a downward shift on the wall-unit normalised streamwise mean velocity profile when compared to the smooth wall profile. The shift is increasing with increasing Reτ, 1.8 < ∆U+ < 6.2. The coefficient of friction is almost constant at all cases Cf = 0.0042 ± 0.0002. The results show a gradual reduction in the inner peak of profiles with increasing Reτ until fully destruction at Reτ of 2700. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hotwire" title="hotwire">hotwire</a>, <a href="https://publications.waset.org/abstracts/search?q=roughness" title=" roughness"> roughness</a>, <a href="https://publications.waset.org/abstracts/search?q=TBL" title=" TBL"> TBL</a>, <a href="https://publications.waset.org/abstracts/search?q=ZPG" title=" ZPG"> ZPG</a> </p> <a href="https://publications.waset.org/abstracts/136923/turbulent-boundary-layer-over-3d-sinusoidal-roughness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136923.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">221</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">56</span> Efficient Neural and Fuzzy Models for the Identification of Dynamical Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aouiche%20Abdelaziz">Aouiche Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Soudani%20Mouhamed%20Salah"> Soudani Mouhamed Salah</a>, <a href="https://publications.waset.org/abstracts/search?q=Aouiche%20El%20Moundhe"> Aouiche El Moundhe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present paper addresses the utilization of Artificial Neural Networks (ANNs) and Fuzzy Inference Systems (FISs) for the identification and control of dynamical systems with some degree of uncertainty. Because ANNs and FISs have an inherent ability to approximate functions and to adapt to changes in input and parameters, they can be used to control systems too complex for linear controllers. In this work, we show how ANNs and FISs can be put in order to form nets that can learn from external data. In sequence, it is presented structures of inputs that can be used along with ANNs and FISs to model non-linear systems. Four systems were used to test the identification and control of the structures proposed. The results show the ANNs and FISs (Back Propagation Algorithm) used were efficient in modeling and controlling the non-linear plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=non-linear%20systems" title="non-linear systems">non-linear systems</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20set%20Models" title=" fuzzy set Models"> fuzzy set Models</a>, <a href="https://publications.waset.org/abstracts/search?q=neural%20network" title=" neural network"> neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20law" title=" control law"> control law</a> </p> <a href="https://publications.waset.org/abstracts/142525/efficient-neural-and-fuzzy-models-for-the-identification-of-dynamical-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142525.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">212</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">55</span> A Double Acceptance Sampling Plan for Truncated Life Test Having Exponentiated Transmuted Weibull Distribution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20D.%20Abdellatif">A. D. Abdellatif</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20N.%20Ahmed"> A. N. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20E.%20Abdelaziz"> M. E. Abdelaziz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main purpose of this paper is to design a double acceptance sampling plan under the time truncated life test when the product lifetime follows an exponentiated transmuted Weibull distribution. Here, the motive is to meet both the consumer’s risk and producer’s risk simultaneously at the specified quality levels, while the termination time is specified. A comparison between the results of the double and single acceptance sampling plans is conducted. We demonstrate the applicability of our results to real data sets. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=double%20sampling%20plan" title="double sampling plan">double sampling plan</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20sampling%20plan" title=" single sampling plan"> single sampling plan</a>, <a href="https://publications.waset.org/abstracts/search?q=producer%E2%80%99s%20risk" title=" producer’s risk"> producer’s risk</a>, <a href="https://publications.waset.org/abstracts/search?q=consumer%E2%80%99s%20risk" title=" consumer’s risk"> consumer’s risk</a>, <a href="https://publications.waset.org/abstracts/search?q=exponentiated%20transmuted%20weibull%20distribution" title=" exponentiated transmuted weibull distribution"> exponentiated transmuted weibull distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20truncated%20experiment" title=" time truncated experiment"> time truncated experiment</a>, <a href="https://publications.waset.org/abstracts/search?q=single" title=" single"> single</a>, <a href="https://publications.waset.org/abstracts/search?q=double" title=" double"> double</a>, <a href="https://publications.waset.org/abstracts/search?q=Marshal-Olkin" title=" Marshal-Olkin"> Marshal-Olkin</a> </p> <a href="https://publications.waset.org/abstracts/31946/a-double-acceptance-sampling-plan-for-truncated-life-test-having-exponentiated-transmuted-weibull-distribution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31946.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">487</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">54</span> Endocardial Ultrasound Segmentation using Level Set method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daoudi%20Abdelaziz">Daoudi Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmoudi%20Sa%C3%AFd"> Mahmoudi Saïd</a>, <a href="https://publications.waset.org/abstracts/search?q=Chikh%20Mohamed%20Amine"> Chikh Mohamed Amine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a fully automatic segmentation method of the left ventricle at End Systolic (ES) and End Diastolic (ED) in the ultrasound images by means of an implicit deformable model (level set) based on Geodesic Active Contour model. A pre-processing Gaussian smoothing stage is applied to the image, which is essential for a good segmentation. Before the segmentation phase, we locate automatically the area of the left ventricle by using a detection approach based on the Hough Transform method. Consequently, the result obtained is used to automate the initialization of the level set model. This initial curve (zero level set) deforms to search the Endocardial border in the image. On the other hand, quantitative evaluation was performed on a data set composed of 15 subjects with a comparison to ground truth (manual segmentation). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=level%20set%20method" title="level set method">level set method</a>, <a href="https://publications.waset.org/abstracts/search?q=transform%20Hough" title=" transform Hough"> transform Hough</a>, <a href="https://publications.waset.org/abstracts/search?q=Gaussian%20smoothing" title=" Gaussian smoothing"> Gaussian smoothing</a>, <a href="https://publications.waset.org/abstracts/search?q=left%20ventricle" title=" left ventricle"> left ventricle</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasound%20images." title=" ultrasound images."> ultrasound images.</a> </p> <a href="https://publications.waset.org/abstracts/19105/endocardial-ultrasound-segmentation-using-level-set-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19105.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">465</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> Characterization of current–voltage (I–V) and capacitance–voltage–frequency (C–V–f) features of Au/GaN Schottky diodes </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Rabehi">Abdelaziz Rabehi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current–voltage (I–V) characteristics of Au/GaN Schottky diodes were measured at room temperature. In addition, capacitance–voltage–frequency (C–V–f) characteristics are investigated by considering the interface states (Nss) at frequency range 100 kHz to 1 MHz. From the I–V characteristics of the Schottky diode, ideality factor (n) and barrier height (Φb) values of 1.22 and 0.56 eV, respectively, were obtained from a forward bias I–V plot. In addition, the interface states distribution profile as a function of (Ess − Ev) was extracted from the forward bias I–V measurements by taking into account the bias dependence of the effective barrier height (Φe) for the Schottky diode. The C–V curves gave a barrier height value higher than those obtained from I–V measurements. This discrepancy is due to the different nature of the I–V and C–V measurement techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Schottky%20diodes" title="Schottky diodes">Schottky diodes</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20dependence" title=" frequency dependence"> frequency dependence</a>, <a href="https://publications.waset.org/abstracts/search?q=barrier%20height" title=" barrier height"> barrier height</a>, <a href="https://publications.waset.org/abstracts/search?q=interface%20states" title=" interface states "> interface states </a> </p> <a href="https://publications.waset.org/abstracts/5577/characterization-of-current-voltage-i-v-and-capacitance-voltage-frequency-c-v-f-features-of-augan-schottky-diodes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5577.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">302</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> Effectiveness of a Traits Cooperative Learning on Developing Writing Achievement and Composition among Teacher Candidates</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Hussien">Abdelaziz Hussien</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article reports investigations of a study into the effectiveness of a traits cooperative learning (TCL) on teacher candidates’ writing achievement, composition, and attitudes towards traits of writing approach and small group learning. Mixed methodologies were used with the participants in a repeated measures quasi-experimental design. Forty-two class teacher candidates, enrolled in the Bahrain Teachers College, completed the pre and post author-developed measures. The results suggest that TCL has a positive effect on the participants’ writing achievement, composition, and attitudes towards traits of writing approach, but not on the attitudes towards small group learning. Further implications to teacher education are presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=trait-based%20language%20education" title="trait-based language education">trait-based language education</a>, <a href="https://publications.waset.org/abstracts/search?q=cooperative%20learning" title=" cooperative learning"> cooperative learning</a>, <a href="https://publications.waset.org/abstracts/search?q=writing%20achievement" title=" writing achievement"> writing achievement</a>, <a href="https://publications.waset.org/abstracts/search?q=writing%20composition" title=" writing composition"> writing composition</a>, <a href="https://publications.waset.org/abstracts/search?q=traits%20of%20writing" title=" traits of writing"> traits of writing</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%20education" title=" teacher education "> teacher education </a> </p> <a href="https://publications.waset.org/abstracts/102335/effectiveness-of-a-traits-cooperative-learning-on-developing-writing-achievement-and-composition-among-teacher-candidates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102335.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">169</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> Protection of Floating Roof Petroleum Storage Tanks against Lightning Strokes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20M.%20Mohamed">F. M. Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Y.%20Abdelaziz"> A. Y. Abdelaziz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The subject of petroleum storage tank fires has gained a great deal of attention due to the high cost of petroleum, and the consequent disruption of petroleum production; therefore, much of the current research has focused on petroleum storage tank fires. Also, the number of petroleum tank fires is oscillating between 15 and 20 fires per year. About 33% of all tank fires are attributed to lightning. Floating roof tanks (FRT’s) are especially vulnerable to lightning. To minimize the likelihood of a fire, the API RP 545 recommends three major modifications to floating roof tanks. This paper was inspired by a stroke of lightning that ignited a fire in a crude oil storage tank belonging to an Egyptian oil company, and is aimed at providing an efficient lightning protection system to the tank under study, in order to avoid the occurrence of such phenomena in the future and also, to give valuable recommendations to be applied to floating roof tank projects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crude%20oil" title="crude oil">crude oil</a>, <a href="https://publications.waset.org/abstracts/search?q=fire" title=" fire"> fire</a>, <a href="https://publications.waset.org/abstracts/search?q=floating%20roof%20tank" title=" floating roof tank"> floating roof tank</a>, <a href="https://publications.waset.org/abstracts/search?q=lightning%20protection%20system" title=" lightning protection system"> lightning protection system</a> </p> <a href="https://publications.waset.org/abstracts/67175/protection-of-floating-roof-petroleum-storage-tanks-against-lightning-strokes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67175.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">282</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> Design and Burnback Analysis of Three Dimensional Modified Star Grain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Almostafa%20Abdelaziz">Almostafa Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Liang%20Guozhu"> Liang Guozhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Anwer%20Elsayed"> Anwer Elsayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The determination of grain geometry is an important and critical step in the design of solid propellant rocket motor. In this study, the design process involved parametric geometry modeling in CAD, MATLAB coding of performance prediction and 2D star grain ignition experiment. The 2D star grain burnback achieved by creating new surface via each web increment and calculating geometrical properties at each step. The 2D star grain is further modified to burn as a tapered 3D star grain. Zero dimensional method used to calculate the internal ballistic performance. Experimental and theoretical results were compared in order to validate the performance prediction of the solid rocket motor. The results show that the usage of 3D grain geometry will decrease the pressure inside the combustion chamber and enhance the volumetric loading ratio. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=burnback%20analysis" title="burnback analysis">burnback analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=rocket%20motor" title=" rocket motor"> rocket motor</a>, <a href="https://publications.waset.org/abstracts/search?q=star%20grain" title=" star grain"> star grain</a>, <a href="https://publications.waset.org/abstracts/search?q=three%20dimensional%20grains" title=" three dimensional grains"> three dimensional grains</a> </p> <a href="https://publications.waset.org/abstracts/82081/design-and-burnback-analysis-of-three-dimensional-modified-star-grain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82081.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">244</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> Antagonist Study of Fungi Isolated from the Burned Forests of Region of Mila, Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Wided">Abdelaziz Wided</a>, <a href="https://publications.waset.org/abstracts/search?q=Khiat%20Nawel"> Khiat Nawel</a>, <a href="https://publications.waset.org/abstracts/search?q=Khiat%20Inssaf"> Khiat Inssaf </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study was initiated to: Determine burned forest-inhabiting fungi in Zouagha, Terri Beinène, Mila and study the antagonistic activity of Trichoderma sp against Fusarium sp, Penicillium sp, Rhizoctonia sp, Alternaria sp. 18 fungal strains were isolated from Soil samples taken from the forest Zouagha (Burned) in the region Mila representing 6 genera: Trichoderma sp et Fusarium sp, Penicillium sp, Rhizoctonia sp, Alternaria sp, Rhizopus sp. The tests of dual culture method on culture medium (PDA) against Trichoderma sp et Fusarium sp, Penicillium sp, Rhizoctonia sp, Alternaria sp revealed that: Trichoderma sp could reduce l mycelium grouth of Fusarium sp23.13%, Penicillium sp33.13%, Rhizoctoniasp33.75 %and Alternaria sp 38.31% in comparaison with the witness after 6 days at room temperature. The strains of Fusarium sp ,Penicillium sp, Rhizoctonia sp et Alternaria sp showed differences sensibility to the antagoniste. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=isolation" title="isolation">isolation</a>, <a href="https://publications.waset.org/abstracts/search?q=identification" title=" identification"> identification</a>, <a href="https://publications.waset.org/abstracts/search?q=molds" title=" molds"> molds</a>, <a href="https://publications.waset.org/abstracts/search?q=burned%20soil%20of%20zouagha" title=" burned soil of zouagha"> burned soil of zouagha</a>, <a href="https://publications.waset.org/abstracts/search?q=antagonism" title=" antagonism"> antagonism</a>, <a href="https://publications.waset.org/abstracts/search?q=trichoderma%20sp" title=" trichoderma sp"> trichoderma sp</a> </p> <a href="https://publications.waset.org/abstracts/30142/antagonist-study-of-fungi-isolated-from-the-burned-forests-of-region-of-mila-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30142.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">253</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> Time-Dependent Analysis of Composite Steel-Concrete Beams Subjected to Shrinkage</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rahal%20Nacer">Rahal Nacer</a>, <a href="https://publications.waset.org/abstracts/search?q=Beghdad%20Houda"> Beghdad Houda</a>, <a href="https://publications.waset.org/abstracts/search?q=Tehami%20Mohamed"> Tehami Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Souici%20Abdelaziz"> Souici Abdelaziz </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Although the shrinkage of the concrete causes undesirable parasitic effects to the structure, it can then harm the resistance and the good appearance of the structure. Long term behaviourmodelling of steel-concrete composite beams requires the use of the time variable and the taking into account of all the sustained stress history of the concrete slab constituting the cross section. The work introduced in this article is a theoretical study of the behaviour of composite beams with respect to the phenomenon of concrete shrinkage. While using the theory of the linear viscoelasticity of the concrete, and on the basis of the rate of creep method, in proposing an analytical model, made up by a system of two linear differential equations, emphasizing the effects caused by shrinkage on the resistance of a steel-concrete composite beams. Results obtained from the application of the suggested model to a steel-concrete composite beam are satisfactory. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20beams" title="composite beams">composite beams</a>, <a href="https://publications.waset.org/abstracts/search?q=shrinkage" title=" shrinkage"> shrinkage</a>, <a href="https://publications.waset.org/abstracts/search?q=time" title=" time"> time</a>, <a href="https://publications.waset.org/abstracts/search?q=rate%20of%20creep%20method" title=" rate of creep method"> rate of creep method</a>, <a href="https://publications.waset.org/abstracts/search?q=viscoelasticity%20theory" title=" viscoelasticity theory"> viscoelasticity theory</a> </p> <a href="https://publications.waset.org/abstracts/24402/time-dependent-analysis-of-composite-steel-concrete-beams-subjected-to-shrinkage" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24402.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">528</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> Creep Effect on Composite Beam with Perfect Steel-Concrete Connection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Souici%20Abdelaziz">Souici Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Tehami%20Mohamed"> Tehami Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Rahal%20Nacer"> Rahal Nacer</a>, <a href="https://publications.waset.org/abstracts/search?q=Said%20Mohamed%20Bekkouche"> Said Mohamed Bekkouche</a>, <a href="https://publications.waset.org/abstracts/search?q=Berthet%20Jean-Fabien"> Berthet Jean-Fabien</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the influence of the concrete slab creep on the initial deformability of a bent composite beam is modelled. This deformability depends on the rate of creep. This means the rise in value of the longitudinal strain ε c(x,t), the displacement D eflec(x,t) and the strain energy E(t). The variation of these three parameters can easily affect negatively the good appearance and the serviceability of the structure. Therefore, an analytical approach is designed to control the status of the deformability of the beam at the instant t. This approach is based on the Boltzmann’s superposition principle and very particularly on the irreversible law of deformation. For this, two conditions of compatibility and two other static equilibrium equations are adopted. The two first conditions are set according to the rheological equation of Dischinger. After having done a mathematical arrangement, we have reached a system of two differential equations whose integration allows to find the mathematical expression of each generalized internal force in terms of the ability of the concrete slab to creep. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20section" title="composite section">composite section</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=creep" title=" creep"> creep</a>, <a href="https://publications.waset.org/abstracts/search?q=deformation" title=" deformation"> deformation</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20equation" title=" differential equation"> differential equation</a>, <a href="https://publications.waset.org/abstracts/search?q=time" title=" time"> time</a> </p> <a href="https://publications.waset.org/abstracts/24870/creep-effect-on-composite-beam-with-perfect-steel-concrete-connection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24870.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">383</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> Optimal Load Control Strategy in the Presence of Stochastically Dependent Renewable Energy Sources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20M.%20Othman">Mahmoud M. Othman</a>, <a href="https://publications.waset.org/abstracts/search?q=Almoataz%20Y.%20Abdelaziz"> Almoataz Y. Abdelaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasser%20G.%20Hegazy"> Yasser G. Hegazy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a load control strategy based on modification of the Big Bang Big Crunch optimization method. The proposed strategy aims to determine the optimal load to be controlled and the corresponding time of control in order to minimize the energy purchased from substation. The presented strategy helps the distribution network operator to rely on the renewable energy sources in supplying the system demand. The renewable energy sources used in the presented study are modeled using the diagonal band Copula method and sequential Monte Carlo method in order to accurately consider the multivariate stochastic dependence between wind power, photovoltaic power and the system demand. The proposed algorithms are implemented in MATLAB environment and tested on the IEEE 37-node feeder. Several case studies are done and the subsequent discussions show the effectiveness of the proposed algorithm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=big%20bang%20big%20crunch" title="big bang big crunch">big bang big crunch</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=load%20control" title=" load control"> load control</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=planning" title=" planning"> planning</a> </p> <a href="https://publications.waset.org/abstracts/44666/optimal-load-control-strategy-in-the-presence-of-stochastically-dependent-renewable-energy-sources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44666.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">344</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> Exploring Open Innovation Practice in Start-Ups within an Innovation Ecosystem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yassine%20Mehros">Yassine Mehros</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Michel%20Degeorge"> Jean-Michel Degeorge</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Elabjani"> Abdelaziz Elabjani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Innovation has long been considered the key to the survival, development, and growth of companies. It is a process in which start-ups play a key role, but they suffer from a structural lack of resources, which hinders the development of new innovations and their commercialization. The use of alternative channels to access resources is therefore becoming a necessity to overcome this constraint and identify opportunities. This is why they can be part of large communities of interdependent actors, namely innovation ecosystems that are part of a logic of sharing and open innovation. This research aims to explore and better understand OI in start-ups within an innovation ecosystem. We offer an exploratory qualitative study with start-ups and other actors in the Saint-Étienne innovation ecosystem. Our paper explored the characteristics and main actors of the Saint-Etienne innovation ecosystem, focusing on start-ups. We have identified the motivations of start-up’s adopting OI, its difficulties, its risks, and its impact on their growth. Also, our results show the existence of strong links between the different actors in the ecosystem. In addition, a strong trust has been established between these actors thanks to the geographical proximity; the start-ups manage to get in touch with the different actors of their innovation ecosystem by practicing OI. The actors collaborate on projects involving companies and, in particular, start-ups. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=open%20innovation" title="open innovation">open innovation</a>, <a href="https://publications.waset.org/abstracts/search?q=start-ups" title=" start-ups"> start-ups</a>, <a href="https://publications.waset.org/abstracts/search?q=Innovation%20ecosystem" title=" Innovation ecosystem"> Innovation ecosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=actors" title=" actors"> actors</a> </p> <a href="https://publications.waset.org/abstracts/151442/exploring-open-innovation-practice-in-start-ups-within-an-innovation-ecosystem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151442.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">78</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> A Near-Optimal Domain Independent Approach for Detecting Approximate Duplicates</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Fellah">Abdelaziz Fellah</a>, <a href="https://publications.waset.org/abstracts/search?q=Allaoua%20Maamir"> Allaoua Maamir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We propose a domain-independent merging-cluster filter approach complemented with a set of algorithms for identifying approximate duplicate entities efficiently and accurately within a single and across multiple data sources. The near-optimal merging-cluster filter (MCF) approach is based on the Monge-Elkan well-tuned algorithm and extended with an affine variant of the Smith-Waterman similarity measure. Then we present constant, variable, and function threshold algorithms that work conceptually in a divide-merge filtering fashion for detecting near duplicates as hierarchical clusters along with their corresponding representatives. The algorithms take recursive refinement approaches in the spirit of filtering, merging, and updating, cluster representatives to detect approximate duplicates at each level of the cluster tree. Experiments show a high effectiveness and accuracy of the MCF approach in detecting approximate duplicates by outperforming the seminal Monge-Elkan’s algorithm on several real-world benchmarks and generated datasets. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=data%20mining" title="data mining">data mining</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20cleaning" title=" data cleaning"> data cleaning</a>, <a href="https://publications.waset.org/abstracts/search?q=approximate%20duplicates" title=" approximate duplicates"> approximate duplicates</a>, <a href="https://publications.waset.org/abstracts/search?q=near-duplicates%20detection" title=" near-duplicates detection"> near-duplicates detection</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20mining%20applications%20and%20discovery" title=" data mining applications and discovery"> data mining applications and discovery</a> </p> <a href="https://publications.waset.org/abstracts/64998/a-near-optimal-domain-independent-approach-for-detecting-approximate-duplicates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64998.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">387</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> Outcome of Obstetric Admission to General Intensive Care over a Period of 3 Years</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Abdelaziz%20Mohamed">Kamel Abdelaziz Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intoduction:Inadequate knowledge about obstetric admission and infrequent dealing with the obstetric patients in ICU results in high mortality and morbidity. Aim of the work:To evaluate the indications, course, severity of illness, and outcome of obstetric patients admitted to the intensive care unit (ICU). Patients and Methods: We collected baseline data and acute physiology and chronic health evaluation II (APACHE II) scores. ICU mortality was the primary outcome. Results: Seventy obstetric patients were admitted to the ICU over 3 years, 36 of these patients (51.4 %) were admitted during the antepartum period. The primary obstetric indication for ICU admission was pregnancy-induced hypertension (22 patients, 31.4%), followed by sepsis (8 patients, 11.4%) as the leading non-obstetric admission. The mean APACHE II score was 19.6. The predicted mortality rate based on the APACHE II score was 22%, however, only 4 maternal deaths (5.7%) were among the obstetric patients admitted to the ICU. Conclusion: Evaluation of obstetric patients by (APACHE II) scores showed higher predicted mortality rate, however the overall mortality was lower. Regular follow up, together with early detection of complications and prompt ICU admission necessitating proper management by specialized team can improve mortality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=obstetric" title="obstetric">obstetric</a>, <a href="https://publications.waset.org/abstracts/search?q=complication" title=" complication"> complication</a>, <a href="https://publications.waset.org/abstracts/search?q=postpartum" title=" postpartum"> postpartum</a>, <a href="https://publications.waset.org/abstracts/search?q=sepsis" title=" sepsis"> sepsis</a> </p> <a href="https://publications.waset.org/abstracts/20447/outcome-of-obstetric-admission-to-general-intensive-care-over-a-period-of-3-years" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20447.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">307</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> Numerical Investigation Including Mobility Model for the Performances of Piezoresistive Sensors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Beddiaf">Abdelaziz Beddiaf</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we present an analysis based on the study of mobility which is a very important electrical parameter of a piezoresistor and which is directly bound to the piezoresistivity effect in piezoresistive pressure sensors. We determine how the temperature affects mobility when the electric potential is applied. For this, a theoretical approach based on mobility in a p-type Silicon piezoresistor with that of a finite difference model for self-heating is developed. So, the evolution of mobility has been established versus time for different doping levels and with temperature rise provoked by self-heating using a numerical model combined with that of mobility. Furthermore, it has been calculated for some geometrical parameters of the sensor, such as membrane side length and thickness. Also, it is computed as a function of bias voltage. It was observed that mobility is strongly affected by the temperature rise induced by the applied potential when the sensor is actuated for a prolonged time as a consequence of drifting in the output response of the sensor. Finally, this work makes it possible to predict their temperature behavior due to self-heating and to improve this effect by optimizing the geometric properties of the device and by reducing the voltage source applied to the bridge. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sensors" title="Sensors">Sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=Piezoresistivity" title=" Piezoresistivity"> Piezoresistivity</a>, <a href="https://publications.waset.org/abstracts/search?q=Mobility" title=" Mobility"> Mobility</a>, <a href="https://publications.waset.org/abstracts/search?q=Bias%20voltage" title=" Bias voltage"> Bias voltage</a> </p> <a href="https://publications.waset.org/abstracts/159683/numerical-investigation-including-mobility-model-for-the-performances-of-piezoresistive-sensors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159683.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">92</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Mouhou&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Mouhou&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Abdelaziz%20Mouhou&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul 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