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coupling power transfer</title> <meta name="description" content="Search results for: capacitive coupling power transfer"> <meta name="keywords" content="capacitive coupling power transfer"> <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" 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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="capacitive coupling power transfer"> <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> 9275</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: capacitive coupling power transfer</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9275</span> Capacitive Coupling Wireless Power Transfer System with 6.78 MHz Class D Inverter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kang%20Hyun%20Yi">Kang Hyun Yi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wireless power transfer technologies are inductive coupling, magnetic resonance, and capacitive coupling methods, typically. Among them, the capacitive coupling wireless power transfer, also named Capacitive Coupling Wireless Power Transfer (CCWPT), has been researched to overcome the drawbacks of other approaches. The CCWPT has many advantages such as a simple structure, low standing power loss, reduced Electromagnetic Interference (EMI) and the ability to transfer power through metal barriers. In this paper, the CCWPT system with 6.78MHz class D inverter is proposed and analyzed. The proposed system is consisted of the 6.78MHz class D inverter with the LC low pass filter, the capacitor between a transmitter and a receiver and impedance transformers. The system is verified with a prototype for charging mobile devices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title="wireless power transfer">wireless power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=capacitive%20coupling%20power%20transfer" title=" capacitive coupling power transfer"> capacitive coupling power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=class%20D%20inverter" title=" class D inverter"> class D inverter</a>, <a href="https://publications.waset.org/abstracts/search?q=6.78MHz" title=" 6.78MHz"> 6.78MHz</a> </p> <a href="https://publications.waset.org/abstracts/14367/capacitive-coupling-wireless-power-transfer-system-with-678-mhz-class-d-inverter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14367.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">650</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">9274</span> Designing Equivalent Model of Floating Gate Transistor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Birinderjit%20Singh%20Kalyan">Birinderjit Singh Kalyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Inderpreet%20Kaur"> Inderpreet Kaur</a>, <a href="https://publications.waset.org/abstracts/search?q=Balwinder%20Singh%20Sohi"> Balwinder Singh Sohi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, an equivalent model for floating gate transistor has been proposed. Using the floating gate voltage value, capacitive coupling coefficients has been found at different bias conditions. The amount of charge present on the gate has been then calculated using the transient models of hot electron programming and Fowler-Nordheim Tunnelling. The proposed model can be extended to the transient conditions as well. The SPICE equivalent model is designed and current-voltage characteristics and Transfer characteristics are comparatively analysed. The dc current-voltage characteristics, as well as dc transfer characteristics, have been plotted for an FGMOS with W/L=0.25μm/0.375μm, the inter-poly capacitance of 0.8fF for both programmed and erased states. The Comparative analysis has been made between the present model and capacitive coefficient coupling methods which were already available. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FGMOS" title="FGMOS">FGMOS</a>, <a href="https://publications.waset.org/abstracts/search?q=floating%20gate%20transistor" title=" floating gate transistor"> floating gate transistor</a>, <a href="https://publications.waset.org/abstracts/search?q=capacitive%20coupling%20coefficient" title=" capacitive coupling coefficient"> capacitive coupling coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=SPICE%20model" title=" SPICE model"> SPICE model</a> </p> <a href="https://publications.waset.org/abstracts/30822/designing-equivalent-model-of-floating-gate-transistor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30822.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">545</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">9273</span> Exciting Voltage Control for Efficiency Maximization for 2-D Omni-Directional Wireless Power Transfer Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Masato%20Sasaki">Masato Sasaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Masayoshi%20Yamamoto"> Masayoshi Yamamoto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The majority of wireless power transfer (WPT) systems transfer power in a directional manner. This paper describes a discrete exciting voltage control technique for WPT via magnetic resonant coupling with two orthogonal transmitter coils (2D omni-directional WPT system) which can maximize the power transfer efficiency in response to the change of coupling status. The theory allows the equations of the efficiency of the system to be determined at all the rate of the mutual inductance. The calculated results are included to confirm the advantage to one directional WPT system and the validity of the theory and the equations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title="wireless power transfer">wireless power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=omni-directional" title=" omni-directional"> omni-directional</a>, <a href="https://publications.waset.org/abstracts/search?q=orthogonal" title=" orthogonal"> orthogonal</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency" title=" efficiency"> efficiency</a> </p> <a href="https://publications.waset.org/abstracts/61604/exciting-voltage-control-for-efficiency-maximization-for-2-d-omni-directional-wireless-power-transfer-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61604.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">317</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">9272</span> QI Wireless Charging a Scope of Magnetic Inductive Coupling </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sreenesh%20Shashidharan">Sreenesh Shashidharan</a>, <a href="https://publications.waset.org/abstracts/search?q=Umesh%20Gaikwad"> Umesh Gaikwad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> QI or 'Chee' which is an interface standard for inductive electrical power transfer over distances of up to 4 cm (1.6 inches). The Qi system comprises a power transmission pad and a compatible receiver in a portable device which is placed on top of the power transmission pad, which charges using the principle of electromagnetic induction. An alternating current is passed through the transmitter coil, generating a magnetic field. This, in turn, induces a voltage in the receiver coil; this can be used to power a mobile device or charge a battery. The efficiency of the power transfer depends on the coupling (k) between the inductors and their quality (Q) The coupling is determined by the distance between the inductors (z) and the relative size (D2 /D). The coupling is further determined by the shape of the coils and the angle between them. If the receiver coil is at a certain distance to the transmitter coil, only a fraction of the magnetic flux, which is generated by the transmitter coil, penetrates the receiver coil and contributes to the power transmission. The more flux reaches the receiver, the better the coils are coupled. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=inductive%20electric%20power" title="inductive electric power">inductive electric power</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20induction" title=" electromagnetic induction"> electromagnetic induction</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20flux" title=" magnetic flux"> magnetic flux</a>, <a href="https://publications.waset.org/abstracts/search?q=coupling" title=" coupling"> coupling</a> </p> <a href="https://publications.waset.org/abstracts/20622/qi-wireless-charging-a-scope-of-magnetic-inductive-coupling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20622.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">732</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">9271</span> Investigation of Magnetic Resonance Wireless Charger Efficiency for Mobile Device</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=SeungHee%20Ryu">SeungHee Ryu</a>, <a href="https://publications.waset.org/abstracts/search?q=Junil%20Moon"> Junil Moon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The magnetic resonance wireless power transfer system is widely researched due to its benefits such as spatial freedom. In this paper, power transmitting unit and power receiving unit of wireless battery charger for mobile devices is presented. Power transmitting unit efficiency is measured under different test conditions with power receiving units. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20coupling" title="magnetic resonance coupling">magnetic resonance coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title=" wireless power transfer"> wireless power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20transfer%20efficiency." title=" power transfer efficiency."> power transfer efficiency.</a> </p> <a href="https://publications.waset.org/abstracts/32012/investigation-of-magnetic-resonance-wireless-charger-efficiency-for-mobile-device" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32012.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">511</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">9270</span> Coils and Antennas Fabricated with Sewing Litz Wire for Wireless Power Transfer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hikari%20Ryu">Hikari Ryu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuki%20Fukuda"> Yuki Fukuda</a>, <a href="https://publications.waset.org/abstracts/search?q=Kento%20Oishi"> Kento Oishi</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiharu%20Igarashi"> Chiharu Igarashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Shogo%20Kiryu"> Shogo Kiryu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, wireless power transfer has been developed in various fields. Magnetic coupling is popular for feeding power at a relatively short distance and at a lower frequency. Electro-magnetic wave coupling at a high frequency is used for long-distance power transfer. The wireless power transfer has attracted attention in e-textile fields. Rigid batteries are required for many body-worn electric systems at the present time. The technology enables such batteries to be removed from the systems. Flexible coils have been studied for such applications. Coils with a high Q factor are required in the magnetic-coupling power transfer. Antennas with low return loss are needed for the electro-magnetic coupling. Litz wire is so flexible to fabricate coils and antennas sewn on fabric and has low resistivity. In this study, the electric characteristics of some coils and antennas fabricated with the Litz wire by using two sewing techniques are investigated. As examples, a coil and an antenna are described. Both were fabricated with 330/0.04 mm Litz wire. The coil was a planar coil with a square shape. The outer side was 150 mm, the number of turns was 15, and the pitch interval between each turn was 5 mm. The Litz wire of the coil was overstitched with a sewing machine. The coil was fabricated as a receiver coil for a magnetic coupled wireless power transfer. The Q factor was 200 at a frequency of 800 kHz. A wireless power system was constructed by using the coil. A power oscillator was used in the system. The resonant frequency of the circuit was set to 123 kHz, where the switching loss of power FETs was small. The power efficiencies were 0.44 – 0.99, depending on the distance between the transmitter and receiver coils. As an example of an antenna with a sewing technique, a fractal pattern antenna was stitched on a 500 mm x 500 mm fabric by using a needle punch method. The pattern was the 2nd-oder Vicsec fractal. The return loss of the antenna was -28 dB at a frequency of 144 MHz. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-textile" title="e-textile">e-textile</a>, <a href="https://publications.waset.org/abstracts/search?q=flexible%20coils%20and%20antennas" title=" flexible coils and antennas"> flexible coils and antennas</a>, <a href="https://publications.waset.org/abstracts/search?q=Litz%20wire" title=" Litz wire"> Litz wire</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title=" wireless power transfer"> wireless power transfer</a> </p> <a href="https://publications.waset.org/abstracts/152708/coils-and-antennas-fabricated-with-sewing-litz-wire-for-wireless-power-transfer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152708.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">133</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">9269</span> Effect of Electromagnetic Field on Capacitive Deionization Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alibi%20Kilybay">Alibi Kilybay</a>, <a href="https://publications.waset.org/abstracts/search?q=Emad%20Alhseinat"> Emad Alhseinat</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Mustafa"> Ibrahim Mustafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulfahim%20Arangadi"> Abdulfahim Arangadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Pei%20Shui"> Pei Shui</a>, <a href="https://publications.waset.org/abstracts/search?q=Faisal%20Almarzooqi"> Faisal Almarzooqi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, the electromagnetic field has been used for improving the performance of the capacitive deionization process. The effect of electromagnetic fields on the efficiency of the capacitive deionization (CDI) process was investigated experimentally. The results showed that treating the feed stream of the CDI process using an electromagnetic field can enhance the electrosorption capacity from 20% up to 70%. The effect of the degree of time of exposure, concentration, and type of ions have been examined. The electromagnetic field enhanced the salt adsorption capacity (SAC) of the Ca²⁺ ions by 70%, while the SAC enhanced 20% to the Na⁺ ions. It is hypnotized that the electrometric field affects the hydration shell around the ions and thus reduces their effective size and enhances the mass transfer. This reduction in ion effective size and increase in mass transfer enhanced the electrosorption capacity and kinetics of the CDI process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitive%20deionization" title="capacitive deionization">capacitive deionization</a>, <a href="https://publications.waset.org/abstracts/search?q=desalination" title=" desalination"> desalination</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20treatment" title=" electromagnetic treatment"> electromagnetic treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a> </p> <a href="https://publications.waset.org/abstracts/134804/effect-of-electromagnetic-field-on-capacitive-deionization-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134804.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">264</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">9268</span> Study of Fork Marks on Sapphire Wafers in Plasma Enhanced Chemical Vapor Deposition Tool</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Qiao%20Pei%20Wen">Qiao Pei Wen</a>, <a href="https://publications.waset.org/abstracts/search?q=Ng%20Seng%20Lee"> Ng Seng Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Sae%20Tae%20Veera"> Sae Tae Veera</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiu%20Ah%20Fong"> Chiu Ah Fong</a>, <a href="https://publications.waset.org/abstracts/search?q=Loke%20Weng%20Onn"> Loke Weng Onn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thin film thickness uniformity is crucial to get consistent film etch rate and device yield across the wafer. In the capacitive-coupled parallel plate PECVD system; the film thickness uniformity can be affected by many factors such as the heater temperature uniformity, the spacing between top and bottom electrode, RF power, pressure, gas flows and etc. In this paper, we studied how the PECVD SiN film thickness uniformity is affected by the substrate electrical conductivity and the RF power coupling efficiency. PECVD SiN film was deposited on 150-mm sapphire wafers in 200-mm Lam Sequel tool, fork marks were observed on the wafers. On the fork marks area SiN film thickness is thinner than that on the non-fork area. The forks are the wafer handler inside the process chamber to move the wafers from one station to another. The sapphire wafers and the ceramic forks both are insulator. The high resistivity of the sapphire wafers and the forks inhibits the RF power coupling efficiency during PECVD deposition, thereby reducing the deposition rate. Comparing between the high frequency and low frequency RF power (HFRF and LFRF respectively), the LFRF power coupling effect on the sapphire wafers is more dominant than the HFRF power on the film thickness. This paper demonstrated that the SiN thickness uniformity on sapphire wafers can be improved by depositing a thin TiW layer on the wafer before the SiN deposition. The TiW layer can be on the wafer surface, bottom or any layer before SiN deposition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PECVD%20SiN%20deposition" title="PECVD SiN deposition">PECVD SiN deposition</a>, <a href="https://publications.waset.org/abstracts/search?q=sapphire%20wafer" title=" sapphire wafer"> sapphire wafer</a>, <a href="https://publications.waset.org/abstracts/search?q=substrate%20electrical%20conductivity" title=" substrate electrical conductivity"> substrate electrical conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=RF%20power%20coupling" title=" RF power coupling"> RF power coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20frequency%20RF%20power" title=" high frequency RF power"> high frequency RF power</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20frequency%20RF%20power" title=" low frequency RF power"> low frequency RF power</a>, <a href="https://publications.waset.org/abstracts/search?q=film%20deposition%20rate" title=" film deposition rate"> film deposition rate</a>, <a href="https://publications.waset.org/abstracts/search?q=thickness%20uniformity" title=" thickness uniformity"> thickness uniformity</a> </p> <a href="https://publications.waset.org/abstracts/36353/study-of-fork-marks-on-sapphire-wafers-in-plasma-enhanced-chemical-vapor-deposition-tool" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36353.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">376</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">9267</span> Optimum Tuning Capacitors for Wireless Charging of Electric Vehicles Considering Variation in Coil Distances</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Abdullah%20Arafat">Muhammad Abdullah Arafat</a>, <a href="https://publications.waset.org/abstracts/search?q=Nahrin%20Nowrose"> Nahrin Nowrose</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wireless charging of electric vehicles is becoming more and more attractive as large amount of power can now be transferred to a reasonable distance using magnetic resonance coupling method. However, proper tuning of the compensation network is required to achieve maximum power transmission. Due to the variation of coil distance from the nominal value as a result of change in tire condition, change in weight or uneven road condition, the tuning of the compensation network has become challenging. In this paper, a tuning method has been described to determine the optimum values of the compensation network in order to maximize the average output power. The simulation results show that 5.2 percent increase in average output power is obtained for 10 percent variation in coupling coefficient using the optimum values without the need of additional space and electro-mechanical components. The proposed method is applicable to both static and dynamic charging of electric vehicles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coupling%20coefficient" title="coupling coefficient">coupling coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20vehicles" title=" electric vehicles"> electric vehicles</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20coupling" title=" magnetic resonance coupling"> magnetic resonance coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=tuning%20capacitor" title=" tuning capacitor"> tuning capacitor</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title=" wireless power transfer"> wireless power transfer</a> </p> <a href="https://publications.waset.org/abstracts/149064/optimum-tuning-capacitors-for-wireless-charging-of-electric-vehicles-considering-variation-in-coil-distances" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149064.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">195</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">9266</span> Design and Simulation High Sensitive MEMS Capacitive Pressure Sensor with Small Size for Glaucoma Treatment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yadollah%20Hezarjaribi">Yadollah Hezarjaribi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdie%20Yari%20Esboi"> Mahdie Yari Esboi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a novel MEMS capacitive pressure sensor with small size and high sensitivity is presented. This sensor has the separated clamped square diaphragm and the movable plate. The diaphragm material is polysilicon. The movable and fixed plates and mechanical coupling are gold. The substrate and diaphragm are pyrex glass and polysilicon, respectively. In capacitive sensor the sensitivity is proportional to deflection and capacitance changes with pressure for this reason with this design is improved the capacitance and sensitivity with small size. This sensor is designed for low pressure between 0-60 mmHg that is used for medical application such as treatment of an incurable disease called glaucoma. The size of this sensor is 350×350 µm2 and the thickness of the diaphragm is 2µm with 1μ air gap. This structure is designed by intellisuite software. In this MEMS capacitive pressure sensor the sensor sensitivity, diaphragm mechanical sensitivity for polysilicon diaphragm are 0.0469Pf/mmHg, 0.011 μm/mmHg, respectively. According to the simulating results for low pressure, the structure with polysilicon diaphragm has more change of the displacement and capacitance, this leads to high sensitivity than other diaphragms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=glaucoma" title="glaucoma">glaucoma</a>, <a href="https://publications.waset.org/abstracts/search?q=MEMS%20capacitive%20pressure%20sensor" title=" MEMS capacitive pressure sensor"> MEMS capacitive pressure sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=square%20clamped%20diaphragm" title=" square clamped diaphragm"> square clamped diaphragm</a>, <a href="https://publications.waset.org/abstracts/search?q=polysilicon" title=" polysilicon"> polysilicon</a> </p> <a href="https://publications.waset.org/abstracts/46427/design-and-simulation-high-sensitive-mems-capacitive-pressure-sensor-with-small-size-for-glaucoma-treatment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46427.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">9265</span> Power Integrity Analysis of Power Delivery System in High Speed Digital FPGA Board</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anil%20Kumar%20Pandey">Anil Kumar Pandey</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Power plane noise is the most significant source of signal integrity (SI) issues in a high-speed digital design. In this paper, power integrity (PI) analysis of multiple power planes in a power delivery system of a 12-layer high-speed FPGA board is presented. All 10 power planes of HSD board are analyzed separately by using 3D Electromagnetic based PI solver, then the transient simulation is performed on combined PI data of all planes along with voltage regulator modules (VRMs) and 70 current drawing chips to get the board level power noise coupling on different high-speed signals. De-coupling capacitors are placed between power planes and ground to reduce power noise coupling with signals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=power%20integrity" title="power integrity">power integrity</a>, <a href="https://publications.waset.org/abstracts/search?q=power-aware%20signal%20integrity%20analysis" title=" power-aware signal integrity analysis"> power-aware signal integrity analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20simulation" title=" electromagnetic simulation"> electromagnetic simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=channel%20simulation" title=" channel simulation"> channel simulation</a> </p> <a href="https://publications.waset.org/abstracts/48620/power-integrity-analysis-of-power-delivery-system-in-high-speed-digital-fpga-board" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48620.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">436</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">9264</span> Transfer of Electrical Energy by Magnetic Induction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Oliveira%20Santiago%20Filho">Carlos Oliveira Santiago Filho</a>, <a href="https://publications.waset.org/abstracts/search?q=Ciro%20Egoavil"> Ciro Egoavil</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20Oliveira"> Eduardo Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=J%C3%A9ferson%20Galdino"> Jéferson Galdino</a>, <a href="https://publications.waset.org/abstracts/search?q=Moises%20Galileu"> Moises Galileu</a>, <a href="https://publications.waset.org/abstracts/search?q=Tiago%20Oliveira%20Correa"> Tiago Oliveira Correa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Transfer of Electrical Energy through resonant inductive magnetic coupling is demonstrated experimentally in a system containing coil primary for transmission and secondary reception. The topology used in the prototype of the Class-E amplifier, has been identified as optimal for power transfer applications. Characteristic of the inductor and the load are defined by the requirements of the resonant inductive system. The frequency limitation the of circuit restricts unloaded “Q-Factor”, quality factor of the coils and thus the link efﬁciency. With a suitable circuit, copper coil unloaded Q-Factors of over 1,000 can be achieved in the low Mhz region, enabling a cost-effective high Q coil assembly. The circuit is capable system capable of transmitting energy with direct current to load efﬁciency above 60% at 2 Mhz. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20induction" title="magnetic induction">magnetic induction</a>, <a href="https://publications.waset.org/abstracts/search?q=transfer%20of%20electrical%20energy" title=" transfer of electrical energy"> transfer of electrical energy</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20coupling" title=" magnetic coupling"> magnetic coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=Q-Factor" title=" Q-Factor"> Q-Factor</a> </p> <a href="https://publications.waset.org/abstracts/20457/transfer-of-electrical-energy-by-magnetic-induction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20457.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">518</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">9263</span> A Contactless Capacitive Biosensor for Muscle Activity Measurement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Charn%20Loong%20Ng">Charn Loong Ng</a>, <a href="https://publications.waset.org/abstracts/search?q=Mamun%20Bin%20Ibne%20Reaz"> Mamun Bin Ibne Reaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As elderly population grows globally, the percentage of people diagnosed with musculoskeletal disorder (MSD) increase proportionally. Electromyography (EMG) is an important biosignal that contributes to MSD’s clinical diagnose and recovery process. Conventional conductive electrode has many disadvantages in the continuous EMG measurement application. This research has design a new surface EMG biosensor based on the parallel-plate capacitive coupling principle. The biosensor is developed by using a double-sided PCB with having one side of the PCB use to construct high input impedance circuitry while the other side of the copper (CU) plate function as biosignal sensing metal plate. The metal plate is insulated using kapton tape for contactless application. The result implicates that capacitive biosensor is capable to constantly capture EMG signal without having galvanic contact to human skin surface. However, there are noticeable noise couple into the measured signal. Post signal processing is needed in order to present a clean and significant EMG signal. A complete design of single ended, non-contact, high input impedance, front end EMG biosensor is presented in this paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=contactless" title="contactless">contactless</a>, <a href="https://publications.waset.org/abstracts/search?q=capacitive" title=" capacitive"> capacitive</a>, <a href="https://publications.waset.org/abstracts/search?q=biosensor" title=" biosensor"> biosensor</a>, <a href="https://publications.waset.org/abstracts/search?q=electromyography" title=" electromyography"> electromyography</a> </p> <a href="https://publications.waset.org/abstracts/29854/a-contactless-capacitive-biosensor-for-muscle-activity-measurement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29854.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">9262</span> Analysis and Design of Inductive Power Transfer Systems for Automotive Battery Charging Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wahab%20Ali%20Shah">Wahab Ali Shah</a>, <a href="https://publications.waset.org/abstracts/search?q=Junjia%20He"> Junjia He </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Transferring electrical power without any wiring has been a dream since late 19<sup>th</sup> century. There were some advances in this area as to know more about microwave systems. However, this subject has recently become very attractive due to their practiScal systems. There are low power applications such as charging the batteries of contactless tooth brushes or implanted devices, and higher power applications such as charging the batteries of electrical automobiles or buses. In the first group of applications operating frequencies are in microwave range while the frequency is lower in high power applications. In the latter, the concept is also called inductive power transfer. The aim of the paper is to have an overview of the inductive power transfer for electrical vehicles with a special concentration on coil design and power converter simulation for static charging. Coil design is very important for an efficient and safe power transfer. Coil design is one of the most critical tasks. Power converters are used in both side of the system. The converter on the primary side is used to generate a high frequency voltage to excite the primary coil. The purpose of the converter in the secondary is to rectify the voltage transferred from the primary to charge the battery. In this paper, an inductive power transfer system is studied. Inductive power transfer is a promising technology with several possible applications. Operation principles of these systems are explained, and components of the system are described. Finally, a single phase 2 kW system was simulated and results were presented. The work presented in this paper is just an introduction to the concept. A reformed compensation network based on traditional inductor-capacitor-inductor (LCL) topology is proposed to realize robust reaction to large coupling variation that is common in dynamic wireless charging application. In the future, this type compensation should be studied. Also, comparison of different compensation topologies should be done for the same power level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coil%20design" title="coil design">coil design</a>, <a href="https://publications.waset.org/abstracts/search?q=contactless%20charging" title=" contactless charging"> contactless charging</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20automobiles" title=" electrical automobiles"> electrical automobiles</a>, <a href="https://publications.waset.org/abstracts/search?q=inductive%20power%20transfer" title=" inductive power transfer"> inductive power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=operating%20frequency" title=" operating frequency"> operating frequency</a> </p> <a href="https://publications.waset.org/abstracts/71027/analysis-and-design-of-inductive-power-transfer-systems-for-automotive-battery-charging-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71027.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">249</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">9261</span> An Approach For Evolving a Relaible Low Power Ultra Wide Band Transmitter with Capacitve Sensing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.Revathy">N.Revathy</a>, <a href="https://publications.waset.org/abstracts/search?q=C.Gomathi"> C.Gomathi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work aims for a tunable capacitor as a sensor which can vary the control voltage of a voltage control oscillator in a ultra wide band (UWB) transmitter. In this paper power consumption is concentrated. The reason for choosing a capacitive sensing is it give slow temperature drift, high sensitivity and robustness. Previous works report a resistive sensing in a voltage control oscillator (VCO) not aiming at power consumption. But this work aims for power consumption of a capacitive sensing in ultra wide band transmitter. The ultra wide band transmitter to be used is a direct modulation of pulses. The VCO which is the heart of pulse generator of UWB transmitter works on the principle of voltage to frequency conversion. The VCO has and odd number of inverter stages which works on the control voltage input this input is now from a variable capacitor and the buffer stages is reduced from the previous work to maintain the oscillating frequency. The VCO is also aimed to consume low power. Then the concentration in choosing a variable capacitor is aimed. A compact model of a capacitor with the transient characteristics is to be designed with a movable dielectric and multi metal membranes. Previous modeling of the capacitor transient characteristics is with a movable membrane and a fixed membrane. This work aims at a membrane with a wide tuning suitable for ultra wide band transmitter.This is used in this work because a capacitive in a ultra wide transmitter need to be tuned in such a way that all satisfies FCC regulations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitive%20sensing" title="capacitive sensing">capacitive sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=ultra%20wide%20band%20transmitter" title=" ultra wide band transmitter"> ultra wide band transmitter</a>, <a href="https://publications.waset.org/abstracts/search?q=voltage%20control%20oscillator" title=" voltage control oscillator"> voltage control oscillator</a>, <a href="https://publications.waset.org/abstracts/search?q=FCC%20regulation" title=" FCC regulation "> FCC regulation </a> </p> <a href="https://publications.waset.org/abstracts/15772/an-approach-for-evolving-a-relaible-low-power-ultra-wide-band-transmitter-with-capacitve-sensing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15772.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">391</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">9260</span> Volume Density of Power of Multivector Electric Machine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aldan%20A.%20Sapargaliyev">Aldan A. Sapargaliyev</a>, <a href="https://publications.waset.org/abstracts/search?q=Yerbol%20A.%20Sapargaliyev"> Yerbol A. Sapargaliyev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Since the invention, the electric machine (EM) can be defined as oEM – one-vector electric machine, as it works due to one-vector inductive coupling with use of one-vector electromagnet. The disadvantages of oEM are large size and limited efficiency at low and medium power applications. This paper describes multi-vector electric machine (mEM) based on multi-vector inductive coupling, which is characterized by the increased surface area of the inductive coupling per EM volume, with a reduced share of inefficient and energy-consuming part of the winding, in comparison with oEM’s. Particularly, it is considered, calculated and compared the performance of three different electrical motors and their power at the same volumes and rotor frequencies. It is also presented the result of calculation of correlation between power density and volume for oEM and mEM. The method of multi-vector inductive coupling enables mEM to possess 1.5-4.0 greater density of power per volume and significantly higher efficiency, in comparison with today’s oEM, especially in low and medium power applications. mEM has distinct advantages, when used in transport vehicles such as electric cars and aircrafts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electric%20machine" title="electric machine">electric machine</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20motor" title=" electric motor"> electric motor</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnet" title=" electromagnet"> electromagnet</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency%20of%20electric%20motor" title=" efficiency of electric motor"> efficiency of electric motor</a> </p> <a href="https://publications.waset.org/abstracts/67282/volume-density-of-power-of-multivector-electric-machine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67282.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">338</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">9259</span> Power Line Communication Integrated in a Wireless Power Transfer System: Feasibility of Surveillance Movement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Hemnath">M. Hemnath</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Kannan"> S. Kannan</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Kiran"> R. Kiran</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Thanigaivelu"> K. Thanigaivelu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is based on exploring the possible opportunities and applications using Power Line Communication (PLC) for security and surveillance operations. Various research works are done for introducing PLC into onboard vehicle communication and networking (CAN, LIN etc.) and various international standards have been developed. Wireless power transfer (WPT) is also an emerging technology which is studied and tested for recharging purposes. In this work we present a system which embeds the detection and the response into one which eliminates the need for dedicated network for data transmission. Also we check the feasibility for integrating wireless power transfer system into this proposed security system for transmission of power to detection unit wirelessly from the response unit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=power%20line%20communication" title="power line communication">power line communication</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title=" wireless power transfer"> wireless power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=surveillance" title=" surveillance"> surveillance</a> </p> <a href="https://publications.waset.org/abstracts/29830/power-line-communication-integrated-in-a-wireless-power-transfer-system-feasibility-of-surveillance-movement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29830.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">535</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">9258</span> Available Transmission Transfer Efficiency (ATTE) as an Index Measurement for Power Transmission Grid Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Abubakar%20Sadiq">Ahmad Abubakar Sadiq</a>, <a href="https://publications.waset.org/abstracts/search?q=Nwohu%20Ndubuka%20Mark"> Nwohu Ndubuka Mark</a>, <a href="https://publications.waset.org/abstracts/search?q=Jacob%20Tsado"> Jacob Tsado</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Adam%20Asharaf"> Ahmad Adam Asharaf</a>, <a href="https://publications.waset.org/abstracts/search?q=Agbachi%20E.%20Okenna"> Agbachi E. Okenna</a>, <a href="https://publications.waset.org/abstracts/search?q=Enesi%20E.%20Yahaya"> Enesi E. Yahaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Ambafi%20James%20Garba"> Ambafi James Garba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Transmission system performance analysis is vital to proper planning and operations of power systems in the presence of deregulation. Key performance indicators (KPIs) are often used as measure of degree of performance. This paper gives a novel method to determine the transmission efficiency by evaluating the ratio of real power losses incurred from a specified transfer direction. Available Transmission Transfer Efficiency (ATTE) expresses the percentage of real power received resulting from inter-area available power transfer. The Tie line (Rated system path) performance is seen to differ from system wide (Network response) performance and ATTE values obtained are transfer direction specific. The required sending end quantities with specified receiving end ATC and the receiving end power circle diagram are obtained for the tie line analysis. The amount of real power loss load relative to the available transfer capability gives a measure of the transmission grid efficiency. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=performance" title="performance">performance</a>, <a href="https://publications.waset.org/abstracts/search?q=transmission%20system" title=" transmission system"> transmission system</a>, <a href="https://publications.waset.org/abstracts/search?q=real%20power%20%0D%0Aefficiency" title=" real power efficiency"> real power efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=available%20transfer%20capability" title=" available transfer capability"> available transfer capability</a> </p> <a href="https://publications.waset.org/abstracts/24119/available-transmission-transfer-efficiency-atte-as-an-index-measurement-for-power-transmission-grid-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24119.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">649</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">9257</span> Investigation on Solar Thermoelectric Generator Using D-Mannitol/Multi-Walled Carbon Nanotubes Composite Phase Change Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zihua%20Wu">Zihua Wu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yueming%20He"> Yueming He</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaoxiao%20Yu"> Xiaoxiao Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuanyuan%20Wang"> Yuanyuan Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Huaqing%20Xie"> Huaqing Xie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The match of Solar thermoelectric generator (STEG) and phase change materials (PCM) can enhance the solar energy storage and reduce environmental impact from the day-and-night transformation and weather changes. This work utilizes D-mannitol (DM) matrix as the suitable PCM for coupling with thermoelectric generator to achieve the middle-temperature solar energy storage performance at 165℃-167℃. DM/MWCNT composite phase change materials prepared by ball milling not only can keep a high phase change enthalpy of DM material but also have great photo-thermal conversion efficiency of 82%. Based on the self-made storage device container, the effect of PCM thickness on the solar energy storage performance is further discussed and analyzed. The experimental results prove that PCM-STEG coupling system can output more electric energy than pure STEG system because PCM can decline the heat transfer and storage thermal energy to further generate the electric energy through thermal-to-electric conversion when the light is removed. The increase of PCM thickness can reduce the heat transfer and enhance thermal storage, and then the power generation performance of PCM-STEG coupling system can be improved. As the increase of light intensity, the output electric energy of the coupling system rises accordingly, and the maximum amount of electrical energy can reach by 113.85 J at 1.6 W/cm2. The study of the PCM-STEG coupling system has certain reference for the development of solar energy storage and application. <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=solar%20thermoelectric%20generator" title=" solar thermoelectric generator"> solar thermoelectric generator</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20change%20materials" title=" phase change materials"> phase change materials</a>, <a href="https://publications.waset.org/abstracts/search?q=solar-to-electric%20energy" title=" solar-to-electric energy"> solar-to-electric energy</a>, <a href="https://publications.waset.org/abstracts/search?q=DM%2FMWCNT" title=" DM/MWCNT"> DM/MWCNT</a> </p> <a href="https://publications.waset.org/abstracts/177662/investigation-on-solar-thermoelectric-generator-using-d-mannitolmulti-walled-carbon-nanotubes-composite-phase-change-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177662.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">72</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">9256</span> Experimental and Theoretical Study of the Electric and Magnetic Fields Behavior in the Vicinity of High-Voltage Power Lines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tourab%20Wafa">Tourab Wafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Nemamcha%20Mohamed"> Nemamcha Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Babouri%20Abdessalem"> Babouri Abdessalem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper consists on an experimental and analytical characterization of the electromagnetic environment in the in the medium surrounding a circuit of two 220 Kv power lines running in parallel. The analysis presented in this paper is divided into two main parts. The first part concerns the experimental study of the behavior of the electric field and magnetic field generated by the selected double-circuit at ground level (0 m). While the second part simulate and calculate the fields profiles generated by the both lines at different levels above the ground, from (0 m) to the level close to the lines conductors (20 m above the ground) using the electrostatic and magneto-static modules of the COMSOL multi-physics software. The implications of the results are discussed and compared with the ICNIRP reference levels for occupational and non occupational exposures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=HV%20power%20lines" title="HV power lines">HV power lines</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20frequency%20electromagnetic%20fields" title=" low frequency electromagnetic fields"> low frequency electromagnetic fields</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20compatibility" title=" electromagnetic compatibility"> electromagnetic compatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=inductive%20and%20capacitive%20coupling" title=" inductive and capacitive coupling"> inductive and capacitive coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=standards" title=" standards"> standards</a> </p> <a href="https://publications.waset.org/abstracts/22336/experimental-and-theoretical-study-of-the-electric-and-magnetic-fields-behavior-in-the-vicinity-of-high-voltage-power-lines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22336.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">473</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">9255</span> The Design, Development, and Optimization of a Capacitive Pressure Sensor Utilizing an Existing 9DOF Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Randles">Andrew Randles</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilker%20Ocak"> Ilker Ocak</a>, <a href="https://publications.waset.org/abstracts/search?q=Cheam%20Daw%20Don"> Cheam Daw Don</a>, <a href="https://publications.waset.org/abstracts/search?q=Navab%20Singh"> Navab Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Alex%20Gu"> Alex Gu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nine Degrees of Freedom (9 DOF) systems are already in development in many areas. In this paper, an integrated pressure sensor is proposed that will make use of an already existing monolithic 9 DOF inertial MEMS platform. Capacitive pressure sensors can suffer from limited sensitivity for a given size of membrane. This novel pressure sensor design increases the sensitivity by over 5 times compared to a traditional array of square diaphragms while still fitting within a 2 mm x 2 mm chip and maintaining a fixed static capacitance. The improved design uses one large diaphragm supported by pillars with fixed electrodes placed above the areas of maximum deflection. The design optimization increases the sensitivity from 0.22 fF/kPa to 1.16 fF/kPa. Temperature sensitivity was also examined through simulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitive%20pressure%20sensor" title="capacitive pressure sensor">capacitive pressure sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=9%20DOF" title=" 9 DOF"> 9 DOF</a>, <a href="https://publications.waset.org/abstracts/search?q=10%20DOF" title=" 10 DOF"> 10 DOF</a>, <a href="https://publications.waset.org/abstracts/search?q=sensor" title=" sensor"> sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=capacitive" title=" capacitive"> capacitive</a>, <a href="https://publications.waset.org/abstracts/search?q=inertial%20measurement%20unit" title=" inertial measurement unit"> inertial measurement unit</a>, <a href="https://publications.waset.org/abstracts/search?q=IMU" title=" IMU"> IMU</a>, <a href="https://publications.waset.org/abstracts/search?q=inertial%20navigation%20system" title=" inertial navigation system"> inertial navigation system</a>, <a href="https://publications.waset.org/abstracts/search?q=INS" title=" INS"> INS</a> </p> <a href="https://publications.waset.org/abstracts/32117/the-design-development-and-optimization-of-a-capacitive-pressure-sensor-utilizing-an-existing-9dof-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32117.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">546</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">9254</span> Modeling and Design of Rectenna for Low Power Medical Implants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Madhav%20Pant">Madhav Pant</a>, <a href="https://publications.waset.org/abstracts/search?q=Khem%20N.%20Poudel"> Khem N. Poudel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wireless power transfer is continuously becoming more powerful and compact in medical implantable devices and the wide range of applications. A rectenna is designed for wireless power transfer technique that can be applied to medical implant devices. The experiment is performed using ANSYS HFSS, a full wave electromagnetic simulation. The dipole antenna combinations operating at 2.4 GHz are used for wireless power transfer and the maximum DC voltage reception by the implant considering International Commission on Non-Ionizing Radiation Protection (ICNIRP) regulation. The power receiving dipole antenna is placed inside the cylindrical geometry having the similar properties of the human body at the frequency of 2.4 GHz. Our design can provide the power at the depth of 5 mm skin and 5mm of bone for the implant. The voltage doubler/quadrupler rectifier in ANSYS Simplorer is used to calculate the exact DC current utilized by implant inside the human body. The qualitative design and analysis of this wireless power transfer method could also be used for other biomedical implants systems such as cardiac pacemaker, insulin pump, and retinal implants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dipole%20antenna" title="dipole antenna">dipole antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20implants" title=" medical implants"> medical implants</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title=" wireless power transfer"> wireless power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=rectifier" title=" rectifier"> rectifier</a> </p> <a href="https://publications.waset.org/abstracts/98975/modeling-and-design-of-rectenna-for-low-power-medical-implants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98975.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">172</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">9253</span> Numerical Resolving of Net Faradaic Current in Fast-Scan Cyclic Voltammetry Considering Induced Charging Currents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20Wosiak">Gabriel Wosiak</a>, <a href="https://publications.waset.org/abstracts/search?q=Dyovani%20Coelho"> Dyovani Coelho</a>, <a href="https://publications.waset.org/abstracts/search?q=Evaldo%20B.%20Carneiro-Neto"> Evaldo B. Carneiro-Neto</a>, <a href="https://publications.waset.org/abstracts/search?q=Ernesto%20C.%20Pereira"> Ernesto C. Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Mauro%20C.%20Lopes"> Mauro C. Lopes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, the theoretical and experimental effects of induced charging currents on fast-scan cyclic voltammetry (FSCV) are investigated. Induced charging currents arise from the effect of ohmic drop in electrochemical systems, which depends on the presence of an uncompensated resistance. They cause the capacitive contribution to the total current to be different from the capacitive current measured in the absence of electroactive species. The paper shows that the induced charging current is relevant when the capacitive current magnitude is close to the total current, even for systems with low time constant. In these situations, the conventional background subtraction method may be inaccurate. A method is developed that separates the faradaic and capacitive currents by using a combination of voltametric experimental data and finite element simulation, by the obtention of a potential-dependent capacitance. The method was tested in a standard electrochemical cell with Platinum ultramicroelectrodes, in different experimental conditions as well in previously reported data in literature. The proposed method allows the real capacitive current to be separated even in situations where the conventional background subtraction method is clearly inappropriate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitive%20current" title="capacitive current">capacitive current</a>, <a href="https://publications.waset.org/abstracts/search?q=fast-scan%20cyclic%20voltammetry" title=" fast-scan cyclic voltammetry"> fast-scan cyclic voltammetry</a>, <a href="https://publications.waset.org/abstracts/search?q=finite-element%20method" title=" finite-element method"> finite-element method</a>, <a href="https://publications.waset.org/abstracts/search?q=electroanalysis" title=" electroanalysis"> electroanalysis</a> </p> <a href="https://publications.waset.org/abstracts/172239/numerical-resolving-of-net-faradaic-current-in-fast-scan-cyclic-voltammetry-considering-induced-charging-currents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172239.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">75</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">9252</span> Stabilization Technique for Multi-Inputs Voltage Sense Amplifiers in Node Sharing Converters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanghoon%20Park">Sanghoon Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Ki-Jin%20Kim"> Ki-Jin Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Kwang-Ho%20Ahn"> Kwang-Ho Ahn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper discusses the undesirable charge transfer through the parasitic capacitances of the input transistors in a multi-inputs voltage sense amplifier. Its intrinsic rail-to-rail voltage transitions at the output nodes inevitably disturb the input sides through the capacitive coupling between the outputs and inputs. Then, it can possible degrade the stabilities of the reference voltage levels. Moreover, it becomes more serious in multi-channel systems by altering them for other channels, and so degrades the linearity of the overall systems. In order to alleviate the internal node voltage transition, the internal node stabilization techniques are proposed. It achieves 45% and 40% improvements for node stabilization and input referred disturbance, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=voltage%20sense%20amplifier" title="voltage sense amplifier">voltage sense amplifier</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-inputs" title=" multi-inputs"> multi-inputs</a>, <a href="https://publications.waset.org/abstracts/search?q=voltage%20transition" title=" voltage transition"> voltage transition</a>, <a href="https://publications.waset.org/abstracts/search?q=node%20stabilization" title=" node stabilization"> node stabilization</a>, <a href="https://publications.waset.org/abstracts/search?q=biasing%20circuits" title=" biasing circuits"> biasing circuits</a> </p> <a href="https://publications.waset.org/abstracts/23974/stabilization-technique-for-multi-inputs-voltage-sense-amplifiers-in-node-sharing-converters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23974.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">565</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">9251</span> ATC in Competitive Electricity Market Using TCSC </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20K.%20Gupta">S. K. Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Richa%20Bansal"> Richa Bansal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In a deregulated power system structure, power producers, and customers share a common transmission network for wheeling power from the point of generation to the point of consumption. All parties in this open access environment may try to purchase the energy from the cheaper source for greater profit margins, which may lead to overloading and congestion of certain corridors of the transmission network. This may result in violation of line flow, voltage and stability limits and thereby undermine the system security. Utilities therefore need to determine adequately their Available Transfer Capability (ATC) to ensure that system reliability is maintained while serving a wide range of bilateral and multilateral transactions. This paper presents power transfer distribution factor based on AC load flow for the determination and enhancement of ATC. The study has been carried out for IEEE 24 bus Reliability Test System. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=available%20transfer%20capability" title="available transfer capability">available transfer capability</a>, <a href="https://publications.waset.org/abstracts/search?q=FACTS%20devices" title=" FACTS devices"> FACTS devices</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20transfer%20distribution%20factors" title=" power transfer distribution factors"> power transfer distribution factors</a>, <a href="https://publications.waset.org/abstracts/search?q=electric" title=" electric"> electric</a> </p> <a href="https://publications.waset.org/abstracts/3826/atc-in-competitive-electricity-market-using-tcsc" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3826.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">497</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">9250</span> Analog Voltage Inverter Drive for Capacitive Load with Adaptive Gain Control</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sun-Ki%20Hong">Sun-Ki Hong</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong-Ho%20Cho"> Yong-Ho Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Ki-Seok%20Kim"> Ki-Seok Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Tae-Sam%20Kang"> Tae-Sam Kang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Piezoelectric actuator is treated as RC load when it is modeled electrically. For some piezoelectric actuator applications, arbitrary voltage is required to actuate. Especially for unidirectional arbitrary voltage driving like as sine wave, some special inverter with circuit that can charge and discharge the capacitive energy can be used. In this case, the difference between power supply level and the object voltage level for RC load is varied. Because the control gain is constant, the controlled output is not uniform according to the voltage difference. In this paper, for charge and discharge circuit for unidirectional arbitrary voltage driving for piezoelectric actuator, the controller gain is controlled according to the voltage difference. With the proposed simple idea, the load voltage can have controlled smoothly although the voltage difference is varied. The appropriateness is proved from the simulation of the proposed circuit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analog%20voltage%20inverter" title="analog voltage inverter">analog voltage inverter</a>, <a href="https://publications.waset.org/abstracts/search?q=capacitive%20load" title=" capacitive load"> capacitive load</a>, <a href="https://publications.waset.org/abstracts/search?q=gain%20control" title=" gain control"> gain control</a>, <a href="https://publications.waset.org/abstracts/search?q=dc-dc%20converter" title=" dc-dc converter"> dc-dc converter</a>, <a href="https://publications.waset.org/abstracts/search?q=piezoelectric" title=" piezoelectric"> piezoelectric</a>, <a href="https://publications.waset.org/abstracts/search?q=voltage%20waveform" title=" voltage waveform"> voltage waveform</a> </p> <a href="https://publications.waset.org/abstracts/34752/analog-voltage-inverter-drive-for-capacitive-load-with-adaptive-gain-control" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34752.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">655</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">9249</span> A CMOS D-Band Power Amplifier in 22FDSOI Technology for 6G Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karandeep%20Kaur">Karandeep Kaur</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the design of power amplifier (PA) for mmWave communication systems. The designed amplifier uses GlobalFoundries 22 FDX technology and works at an operational frequency of 140 GHz in the D-Band. With a supply voltage of 0.8V for the super low threshold voltage transistors, the amplifier is biased in class AB and has a total current consumption of 50 mA. The measured saturated output power from the power amplifier is 5.6 dBm with an output-referred 1dB-compression point of 1.6dBm. The measured gain of PA is 19 dB with 3 dB-bandwidth ranging from 120 GHz to 140 GHz. The chip occupies an area of 795µm × 410µm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mmWave%20communication%20system" title="mmWave communication system">mmWave communication system</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20amplifiers" title=" power amplifiers"> power amplifiers</a>, <a href="https://publications.waset.org/abstracts/search?q=22FDX" title=" 22FDX"> 22FDX</a>, <a href="https://publications.waset.org/abstracts/search?q=D-Band" title=" D-Band"> D-Band</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-coupled%20capacitive%20neutralization" title=" cross-coupled capacitive neutralization"> cross-coupled capacitive neutralization</a> </p> <a href="https://publications.waset.org/abstracts/148830/a-cmos-d-band-power-amplifier-in-22fdsoi-technology-for-6g-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148830.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> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9248</span> Flexible Capacitive Sensors Based on Paper Sheets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mojtaba%20Farzaneh">Mojtaba Farzaneh</a>, <a href="https://publications.waset.org/abstracts/search?q=Majid%20Baghaei%20Nejad"> Majid Baghaei Nejad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article proposes a new Flexible Capacitive Tactile Sensors based on paper sheets. This method combines the parameters of sensor's material and dielectric, and forms a new model of flexible capacitive sensors. The present article tries to present a practical explanation of this method's application and advantages. With the use of this new method, it is possible to make a more flexibility and accurate sensor in comparison with the current models. To assess the performance of this model, the common capacitive sensor is simulated and the proposed model of this article and one of the existing models are assessed. The results of this article indicate that the proposed model of this article can enhance the speed and accuracy of tactile sensor and has less error in comparison with the current models. Based on the results of this study, it can be claimed that in comparison with the current models, the proposed model of this article is capable of representing more flexibility and more accurate output parameters for touching the sensor, especially in abnormal situations and uneven surfaces, and increases accuracy and practicality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitive%20sensor" title="capacitive sensor">capacitive sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=paper%20sheets" title=" paper sheets"> paper sheets</a>, <a href="https://publications.waset.org/abstracts/search?q=flexible" title=" flexible"> flexible</a>, <a href="https://publications.waset.org/abstracts/search?q=tactile" title=" tactile"> tactile</a>, <a href="https://publications.waset.org/abstracts/search?q=uneven" title=" uneven"> uneven</a> </p> <a href="https://publications.waset.org/abstracts/3073/flexible-capacitive-sensors-based-on-paper-sheets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3073.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">353</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">9247</span> Synthesis, Characterization of Pd Nanoparticle Supported on Amine-Functionalized Graphene and Its Catalytic Activity for Suzuki Coupling Reaction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Surjyakanta%20Rana">Surjyakanta Rana</a>, <a href="https://publications.waset.org/abstracts/search?q=Sreekantha%20B.%20Jonnalagadda"> Sreekantha B. Jonnalagadda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Synthesis of well distributed Pd nanoparticles (3 – 7 nm) on organo amine-functionalized graphene is reported, which demonstrated excellent catalytic activity towards Suzuki coupling reaction. The active material was characterized by X-ray diffraction (XRD), BET surface area, X-ray photoelectron spectra (XPS), Fourier-transfer infrared spectroscopy (FTIR), Raman spectra, Scanning electron microscope (SEM), Transmittance electron microscopy (TEM) analysis and HRTEM. FT-IR revealed that the organic amine functional group was successfully grafted onto the graphene oxide surface. The formation of palladium nanoparticles was confirmed by XPS, TEM and HRTEM techniques. The catalytic activity in the coupling reaction was superb with 100% conversion and 98 % yield and also activity remained almost unaltered up to six cycles. Typically, an extremely high turnover frequency of 185,078 h-1 is observed in the C-C Suzuki coupling reaction using organo di-amine functionalized graphene as catalyst. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Di-amine" title="Di-amine">Di-amine</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene" title=" graphene"> graphene</a>, <a href="https://publications.waset.org/abstracts/search?q=Pd%20nanoparticle" title=" Pd nanoparticle"> Pd nanoparticle</a>, <a href="https://publications.waset.org/abstracts/search?q=suzuki%20coupling" title=" suzuki coupling"> suzuki coupling</a> </p> <a href="https://publications.waset.org/abstracts/31977/synthesis-characterization-of-pd-nanoparticle-supported-on-amine-functionalized-graphene-and-its-catalytic-activity-for-suzuki-coupling-reaction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31977.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">375</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">9246</span> A ZVT-ZCT-PWM DC-DC Boost Converter with Direct Power Transfer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Naim%20Suleyman%20Ting">Naim Suleyman Ting</a>, <a href="https://publications.waset.org/abstracts/search?q=Yakup%20Sahin"> Yakup Sahin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ismail%20Aksoy"> Ismail Aksoy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a zero voltage transition-zero current transition (ZVT-ZCT)-PWM DC-DC boost converter with direct power transfer. In this converter, the main switch turns on with ZVT and turns off with ZCT. The auxiliary switch turns on and off with zero current switching (ZCS). The main diode turns on with ZVS and turns off with ZCS. Besides, the additional current or voltage stress does not occur on the main device. The converter has features as simple structure, fast dynamic response and easy control. Also, the proposed converter has direct power transfer feature as well as excellent soft switching techniques. In this study, the operating principle of the converter is presented and its operation is verified for 1 kW and 100 kHz model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=direct%20power%20transfer" title="direct power transfer">direct power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=boost%20converter" title=" boost converter"> boost converter</a>, <a href="https://publications.waset.org/abstracts/search?q=zero-voltage%20transition" title=" zero-voltage transition"> zero-voltage transition</a>, <a href="https://publications.waset.org/abstracts/search?q=zero-current%20transition" title=" zero-current transition"> zero-current transition</a> </p> <a href="https://publications.waset.org/abstracts/45333/a-zvt-zct-pwm-dc-dc-boost-converter-with-direct-power-transfer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45333.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">822</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=capacitive%20coupling%20power%20transfer&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=capacitive%20coupling%20power%20transfer&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=capacitive%20coupling%20power%20transfer&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=capacitive%20coupling%20power%20transfer&page=5">5</a></li> <li class="page-item"><a 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