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2016 IEEE Wireless Power Transfer Conference (WPTC)最新文献

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Design of high order modulation backscatter wireless sensor for passive IoT solutions 无源物联网解决方案的高阶调制后向散射无线传感器设计
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498833
R. Correia, N. Borges Carvalho
{"title":"Design of high order modulation backscatter wireless sensor for passive IoT solutions","authors":"R. Correia, N. Borges Carvalho","doi":"10.1109/WPT.2016.7498833","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498833","url":null,"abstract":"Fully passive wireless networks are an enable for the internet of things. One of the hypothesis for this passive network implementation is to use backscatter radio nodes. Nevertheless, the traditional approach is to use ASK or PSK backscatter solutions that limits the data rate of the sensors, since it transfers only one bit per symbol period. In order to overcome these limitation, in this paper we propose a novel passive wireless sensor network based in 4-QAM backscatter modulation. The design strategy for high level order backscatter modulations will be explained and a design approach will be presented in this manuscript.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132594626","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: 21
High efficiency wireless charging system with rapid-charging strategy 采用快速充电策略的高效无线充电系统
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498835
Bong-chul Kim, Ki-Young Kim, Sanoop Ramachandra, A. Khandelwal
{"title":"High efficiency wireless charging system with rapid-charging strategy","authors":"Bong-chul Kim, Ki-Young Kim, Sanoop Ramachandra, A. Khandelwal","doi":"10.1109/WPT.2016.7498835","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498835","url":null,"abstract":"Wireless charging system with rapid charging algorithm based on a simplified electrochemical battery model is proposed. The operational principle of the proposed scheme is verified with a 200W WPT prototype. Model based charging algorithm development for adaptive charging of battery to not only fast charge the battery but mitigate the associated deleterious thermal and degradation effect. It is shown that battery can be wirelessly charged at ultras fast speed of 42 minutes for 100% charging.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131329330","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: 2
RSSI-based maximum likelihood localization of passive RFID tags using a mobile cart 使用移动推车的基于rssi的无源RFID标签的最大可能性定位
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498847
S. Siachalou, A. Bletsas, J. Sahalos, A. Dimitriou
{"title":"RSSI-based maximum likelihood localization of passive RFID tags using a mobile cart","authors":"S. Siachalou, A. Bletsas, J. Sahalos, A. Dimitriou","doi":"10.1109/WPT.2016.7498847","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498847","url":null,"abstract":"In this paper a maximum likelihood estimator of the locations of passive RFID tags is presented, exploiting the Received Signal Strength Information (RSSI) collected at the reader. The reader-antenna is fixed on a moving cart and collects RFID data in the area of interest. Locations of the reader-antenna and of the target-objects are obtained by the RSSI of “reference” tags placed at known positions. The proposed method can be applied using commercial RFID equipment. Measurements were conducted in an office environment; mean error of 25cm with standard deviation equal to 12,4cm is recorded. Localization accuracy can be further improved by increasing the density of the “reference” tags and the number of reader antennas.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133731019","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: 16
The basic cell operating regimes for wireless Power Transfer of Electric Vehicles 电动汽车无线电力传输的基本单元运行机制
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498759
A. Costanzo, M. Dionigi, F. Mastri, M. Mongiardo, G. Monti, J. Russer, P. Russer
{"title":"The basic cell operating regimes for wireless Power Transfer of Electric Vehicles","authors":"A. Costanzo, M. Dionigi, F. Mastri, M. Mongiardo, G. Monti, J. Russer, P. Russer","doi":"10.1109/WPT.2016.7498759","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498759","url":null,"abstract":"A Moving Field Inductive Power Transfer (MFIPT) system for dynamic wireless inductive power supply of electric vehicles has been described in a companion paper [1]. In this work we concentrate on the two possible regimes at which wireless power transfer can be attained. One regime allows to maximize either the power on the load or the efficiency, at a given fixed frequency, by changing the load value. Another regime keeps a fixed value for the load and, for a relatively wide variations of the coupling coefficient, attains fixed efficiency and power transfer by selecting an appropriate working frequency. These two operating regimes are rigorously introduced, relative solutions are analytically expressed and illustrated via numerical simulations.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114556713","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: 5
A feasibility study on a voltage-doubler-type rectenna 一种倍压型整流天线的可行性研究
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498766
T. Mitani, Shogo Kawashima, Taiga Nishimura
{"title":"A feasibility study on a voltage-doubler-type rectenna","authors":"T. Mitani, Shogo Kawashima, Taiga Nishimura","doi":"10.1109/WPT.2016.7498766","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498766","url":null,"abstract":"We propose a voltage-doubler-type rectenna as a simple, compact and lightweight rectenna. As a feasibility study, we evaluate a 2.45 GHz voltage-doubler-type rectenna, in which Schottky diodes are mounted both in series and in shunt at the feed point of a half-wave dipole antenna, from measurements and circuit simulations. The measured rf-dc conversion efficiency of the prototype rectenna was 47.4 % at the output load of 1.5 kΩ and the receiving power density of 1 mW/cm2. From circuit simulations, the maximum efficiency of 63.5 % was obtained at 600 Ω under the assumed receiving power density of 1.6 mW/cm2.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123473011","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
Reduction method of electromagnetic interference in tightly-coupled resonant magnetic field automotive charger with input impedance design 基于输入阻抗设计的紧密耦合共振磁场汽车充电器电磁干扰降低方法
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498854
Kibum Yoon, C. Song, Hongseok Kim, Yeonje Cho, Seungtaek Jeong, Joungho Kim
{"title":"Reduction method of electromagnetic interference in tightly-coupled resonant magnetic field automotive charger with input impedance design","authors":"Kibum Yoon, C. Song, Hongseok Kim, Yeonje Cho, Seungtaek Jeong, Joungho Kim","doi":"10.1109/WPT.2016.7498854","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498854","url":null,"abstract":"In this paper, we propose electromagnetic interference (EMI) reduction method in tightly-coupled resonant magnetic field automotive charger. The main technique for reducing EMI is input impedance design based on theoretical analysis of tightly coupled wireless power transfer (WPT) circuit. In order to design input impedance of the tightly coupled WPT circuit, the characteristics of the magnitude of the input impedance curve with the frequency splitting phenomena should be analyzed. From these theoretical analyses, the circuit parameters for increasing the magnitude of the input impedance at harmonic frequencies are designed. To verify the method, we compare total harmonic distortion (THD) between the proposed WPT system and the typical tightly coupled WPT system with series-series resonant topology using the ANSYS Simplorer. The simulation results of the proposed WPT system show that THD of Transmitter(Tx) and Rx currents flowing through Transmitter and receiver coil are reduced by 53.85% and 39.52% respectively.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131058482","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
A 13.56MHz power-efficient active rectifier with digital offset compensation for implantable medical devices 一种用于植入式医疗设备的13.56MHz高能效有源数字偏置补偿整流器
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498846
J. Fuh, S. Hsieh, Fu-Bin Yang, Po-Hung Chen
{"title":"A 13.56MHz power-efficient active rectifier with digital offset compensation for implantable medical devices","authors":"J. Fuh, S. Hsieh, Fu-Bin Yang, Po-Hung Chen","doi":"10.1109/WPT.2016.7498846","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498846","url":null,"abstract":"In this paper, a 13.56 MHz power-efficient CMOS active rectifier is proposed for implantable medical devices. The digital offset compensation technique automatically compensates the turn-off delay to minimize the reverse leakage current to improve the conversion efficiency. The simulation results show that the proposed rectifier achieves 92.9% PCE with wide input voltage range. The input operating voltage ranges from 1.5V to 4.5V and the efficiency improvement of 6.5% is also obtained.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126678185","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
Design of multi-frequency coil for capacitor-less wireless power transfer using high order self-resonance of open end coil 利用开端线圈高阶自谐振实现无电容无线电力传输的多频线圈设计
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498858
Koichi Furusato, T. Imura, Y. Hori
{"title":"Design of multi-frequency coil for capacitor-less wireless power transfer using high order self-resonance of open end coil","authors":"Koichi Furusato, T. Imura, Y. Hori","doi":"10.1109/WPT.2016.7498858","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498858","url":null,"abstract":"Wireless power transfer is a popular research subject in recent years. Available frequency for wireless power transfer (WPT) is limited by the industrial, scientific, and medical (ISM) radio bands in MHz band and some laws. Depending on the application of wireless power transfer, different frequency bands are used. A single transmitter coil which can adapt to multiple frequency bands is needed for reducing number of transmitter coils. In this paper, transmitter coil design for multiple frequencies using high order resonant frequency is proposed. Main purpose of coil design is that first resonant frequency is allocated at 85 kHz for Electric Vehicles and second resonant frequencies of multi-frequency coil is allocated at ISM bands. Characteristics of proposed coil is confirmed by electromagnetic simulation and experiment.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114139732","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: 10
A coupled mechanical-electrical simulator for the operational requirements estimation in a dynamic IPT system for electric vehicles 一种用于电动汽车动态IPT系统运行需求估计的机电耦合模拟器
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498812
Riccardo Ruffo, V. Cirimele, P. Guglielmi, M. Khalilian
{"title":"A coupled mechanical-electrical simulator for the operational requirements estimation in a dynamic IPT system for electric vehicles","authors":"Riccardo Ruffo, V. Cirimele, P. Guglielmi, M. Khalilian","doi":"10.1109/WPT.2016.7498812","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498812","url":null,"abstract":"The paper presents a simulation tool for the study of a dynamic IPT system. This simulator is able to provide information about the electrical components in function of the dynamic behavior of the vehicles during the charge operations. The results are used to investigate different possibilities for the improvement of the interfacing between the IPT system and the electrical grid to which it is connected.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"5 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121008263","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: 10
Load-independent Class EF inverters for inductive wireless power transfer 用于感应无线电力传输的负载无关级EF逆变器
2016 IEEE Wireless Power Transfer Conference (WPTC) Pub Date : 2016-05-05 DOI: 10.1109/WPT.2016.7498864
S. Aldhaher, P. Mitcheson, D. Yates
{"title":"Load-independent Class EF inverters for inductive wireless power transfer","authors":"S. Aldhaher, P. Mitcheson, D. Yates","doi":"10.1109/WPT.2016.7498864","DOIUrl":"https://doi.org/10.1109/WPT.2016.7498864","url":null,"abstract":"This paper will present the modelling, analysis and design of a load-independent Class EF inverter. This inverter is able to maintain zero-voltage switching (ZVS) operation and produce a constant output current for any load value without the need for tuning or replacement of components. The load-independent feature of this inverter is beneficial when used as the primary coil driver in multi-megahertz high power inductive wireless power transfer (WPT) applications where the distance between the coils and the load are variable. The work here begins with the traditional load-dependent Class EF topology for inversion and then specifies the criteria that are required to be met in order achieve load-independence. The design and development of a 240W load-independent Class EF inverter to drive the primary coil of a 6.78MHz WPT system will be discussed and experimental results will be presented to show the load-independence feature when the distance between the coils of the WPT system changes.","PeriodicalId":113182,"journal":{"name":"2016 IEEE Wireless Power Transfer Conference (WPTC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123744130","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: 39
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