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2015 IEEE Wireless Power Transfer Conference (WPTC)最新文献

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Experimental study on the termination impedance effects of a resonator array for inductive power transfer in the hundred kHz range 百kHz电感功率传输谐振器阵列终端阻抗效应的实验研究
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7139136
José Alberto, Giovanni Puccetti, G. Grandi, U. Reggiani, L. Sandrolini
{"title":"Experimental study on the termination impedance effects of a resonator array for inductive power transfer in the hundred kHz range","authors":"José Alberto, Giovanni Puccetti, G. Grandi, U. Reggiani, L. Sandrolini","doi":"10.1109/WPT.2015.7139136","DOIUrl":"https://doi.org/10.1109/WPT.2015.7139136","url":null,"abstract":"This paper presents a study of the transmitted power and efficiency of a wireless power transfer system which employs a metamaterial consisting of an array of multiple magnetically coupled resonant inductors. In order to reach the maximum efficiency when the receiving inductor is located at the end of the metamaterial line, the system can be designed and matched simply through the magnetoinductive wave (MIW) theory. The efficiency of this type of systems is analyzed and measured through a 5W prototype built in laboratory, using an inverter. The goal of this paper is to study the effects of changing the termination impedance in the last cell of the metamaterial and improve the system performance for a resonant frequency in the order of hundred kHz.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116896560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Transceiver chip design in high voltage 0.25µm CMOS technology for magnetic resonance system 采用高压0.25µm CMOS技术的磁共振系统收发芯片设计
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140164
H. Hsu, C. Chien, Dien-Ying Wu
{"title":"Transceiver chip design in high voltage 0.25µm CMOS technology for magnetic resonance system","authors":"H. Hsu, C. Chien, Dien-Ying Wu","doi":"10.1109/WPT.2015.7140164","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140164","url":null,"abstract":"A transceiver IC chip of wireless power transfer is design for wearable device application. The chip forced a VDD of 24V is operated at 11MHz clock rate. The non-overlap clock technique is adopted in chip design for improving the efficiency. To verify the proposed circuit, the chip is implemented by TSMC High Voltage 0.25μm CMOS technology. The testing board is design to measure the IC chip. The driver chip dissipates 23.48W from DC source and deliver a power of 22.73W to 22Ω load. Therefore, the IC chip efficiency is 92.3%. The magnetic resonance coil is design to test the IC chip. The measurement S21 peak is occurred at 5.5MHz in resonance coil.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125532829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Towards the design of a RF-harvesting EBG ground plane 射频采集EBG地平面的设计
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140135
H. Visser, S. Keyrouz
{"title":"Towards the design of a RF-harvesting EBG ground plane","authors":"H. Visser, S. Keyrouz","doi":"10.1109/WPT.2015.7140135","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140135","url":null,"abstract":"Electromagnetic Band Gap (EBG) structures may be used to create magnetic conductors that can be used as ground planes for dipole and loop-like antennas without annihilating the radiation as electrically conducting ground planes would do. An EBG ground plane may be created by placing a Frequency Selective Surface (FSS) on a grounded dielectric slab. Since RF harvesting FSS structures have been demonstrated recently, we expect to be able to realize RF harvesting EBG ground planes too. In this paper the feasibility of this concept is presented through full-wave simulations. These results will be updated at the conference with modeling and measurement results.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115335906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A planar positioning-free magnetically-coupled resonant wireless power transfer 一种平面无定位磁耦合谐振无线电力传输技术
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140176
F. Jolani, Yi-qiang Yu, Z. Chen
{"title":"A planar positioning-free magnetically-coupled resonant wireless power transfer","authors":"F. Jolani, Yi-qiang Yu, Z. Chen","doi":"10.1109/WPT.2015.7140176","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140176","url":null,"abstract":"A novel magnetically-coupled resonant wireless power transfer (MCR-WPT) system using an array of printed spiral coil (PSC) resonators is presented to expand the receiving area. The resonator array is excited with a single planar driving loop to yield uniform magnetic field distribution at the receiver plane. First, the performance of a conventional transmitter coil array consisting of one transmitting resonator and multiple repeaters without frequency tracking is investigated. Then the performance of the proposed PSC resonator array with novel feed strategy is demonstrated. The results show the proposed MCR-WPT array system is able to provide consistent transfer efficiency when the receiver is axially misaligned with the transmitter. The measurement results are compared with the conventional planar MCR-WPT array and reveal that that with the proposed design, the transfer efficiency of the planar MCR-WPT system can be increased from 2.1% to 65.8% in the misalignment region.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122894345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Exploitation of a dual-band cell phone antenna for near-field WPT 用于近场无线收发的双频手机天线的开发
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7139132
M. del Prete, F. Berra, A. Costanzo, D. Masotti
{"title":"Exploitation of a dual-band cell phone antenna for near-field WPT","authors":"M. del Prete, F. Berra, A. Costanzo, D. Masotti","doi":"10.1109/WPT.2015.7139132","DOIUrl":"https://doi.org/10.1109/WPT.2015.7139132","url":null,"abstract":"The same antenna, designed to exploit its far-field properties for communication purposes, can be suitably configured for simultaneously realizing wireless power transfer via its near-field properties. In this paper we analyze the near-field behavior of a pair of closely coupled transmitting and receiving dual-band printed monopole antennas, suitable for cell phones applications. The proposed architecture is based-on a frequency division approach, operating in the GSM900 and GSM1800 bands for data communications, and in the ISM 433 MHz for near-field power transfer. In this work we develop the theoretical and numerical demonstration of how it is possible to achieve both far-field performance and near-field power transfer efficiency (from 35% to 10%) for mobile phones located few centimeters apart.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114252584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Design of a novel antenna system intended for harmonic RFID tags in paper substrate 纸基谐波RFID标签天线系统的设计
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140143
V. Palazzi, P. Mezzanotte, L. Roselli
{"title":"Design of a novel antenna system intended for harmonic RFID tags in paper substrate","authors":"V. Palazzi, P. Mezzanotte, L. Roselli","doi":"10.1109/WPT.2015.7140143","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140143","url":null,"abstract":"This paper presents the design of a novel compact dual-layer harmonic tag in paper substrate, based on a system of nested annular slot antennas. The passive tag is interrogated by a signal at f0 = 1.2 GHz and the signal transmitted back to the reader is converted to 2f0 = 2.4 GHz in order for the system to be immune to clutter returns. The frequency conversion is performed by a single Schottky diode frequency doubler, which shows a theoretical conversion loss of 13 dB at the output frequency of 2.4 GHz for an available input power of only -10 dBm. Additionally, a tapered annular slot antenna has been proposed so as to increase the operational bandwidth.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128502034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Constructive combination of resonant magnetic coupling and resonant electrical coupling 谐振磁耦合和谐振电耦合的构造组合
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140183
Ricardo Dias Fernandes, J. N. Matos, N. Borges Carvalho
{"title":"Constructive combination of resonant magnetic coupling and resonant electrical coupling","authors":"Ricardo Dias Fernandes, J. N. Matos, N. Borges Carvalho","doi":"10.1109/WPT.2015.7140183","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140183","url":null,"abstract":"In this paper the possibility of combining resonant magnetic coupling and resonant electrical coupling is proposed and discussed. Equivalent circuit models are used to demonstrate that efficiency can be improved quite significantly using a hybrid approach. A comparison between resonant magnetic coupling only, resonant electrical coupling only and several hybrid combinations is provided.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129286469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Design considerations of conformal SCMR system 共形SCMR系统的设计考虑
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140120
Kun Bao, Hao Hu, S. Georgakopoulos
{"title":"Design considerations of conformal SCMR system","authors":"Kun Bao, Hao Hu, S. Georgakopoulos","doi":"10.1109/WPT.2015.7140120","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140120","url":null,"abstract":"Strongly Coupled Magnetic Resonance (SCMR) is an advanced technology for varied applications such as sensor networks and wearable devices. Specific applications require specific design. Two design considerations using Conformal Strongly Coupled Magnetic Resonance (CSCMR) method are presented and studied in this paper. The 1st section describes the misalignment property of CSCMR systems; the 2nd section presents the property of a CSCMR system with transmitter and receiver size.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125464405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Magnetic field canceling coil for wireless power transfer system 用于无线电力传输系统的磁场抵消线圈
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140121
Masaya Ishida, Toshiaki Watanabe
{"title":"Magnetic field canceling coil for wireless power transfer system","authors":"Masaya Ishida, Toshiaki Watanabe","doi":"10.1109/WPT.2015.7140121","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140121","url":null,"abstract":"Wireless power transfer (WPT) technology is a promising approach to easily charging the batteries of electric vehicles and plug-in hybrid vehicles. WPT systems that use magnetic coupling generate a surrounding magnetic field, and it is beneficial to reduce this magnetic field from the viewpoint of electromagnetic compatibility. We propose a magnetic field reduction method using magnetic field canceling coils and conductive plates. This method can reduce the magnetic field far from the WPT system without reducing the coupling factor.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115807005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Inductive power transfer in e-textile applications: Reducing the effects of coil misalignment 电子纺织应用中的感应功率传输:减少线圈错位的影响
2015 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2015-05-13 DOI: 10.1109/WPT.2015.7140116
D. Zhu, N. Grabham, L. Clare, B. Stark, S. Beeby
{"title":"Inductive power transfer in e-textile applications: Reducing the effects of coil misalignment","authors":"D. Zhu, N. Grabham, L. Clare, B. Stark, S. Beeby","doi":"10.1109/WPT.2015.7140116","DOIUrl":"https://doi.org/10.1109/WPT.2015.7140116","url":null,"abstract":"Wireless power transfer (WPT) is an attractive approach for recharging wearable technologies and therefore textile implementations are of interest. Such textile WPT systems are inherently flexible and prone to misalignments of the inductively coupled coils which affects performance. This paper investigates two methods to reduce the effect of coil misalignment in inductive WPT in e-textile applications: a single large transmitter coil and a switched transmitter coil array. Transmission efficiency and maximum received power are determined for both methods, and compared against the baseline system that uses a single small transmitter coil. All coils used in this study were fabricated using automated stitching of PTFE insulated flexible wire onto a polyester/cotton textile. This fabrication method allows coils to be sewn directly to existing garments.","PeriodicalId":194427,"journal":{"name":"2015 IEEE Wireless Power Transfer Conference (WPTC)","volume":"183 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133872369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
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