2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications最新文献_第6页

Multi band resonators for wireless power tranfer and near field magnetic communications 用于无线电力传输和近场磁通信的多波段谐振器

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215820

M. Dionigi, M. Mongiardo

引用次数: 27

Dielectric coupling from electrified roadway to steel-belt tires characterized for miniature model car running demonstration 电气化巷道与钢带轮胎的介电耦合特性，用于微型车运行演示

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215814

Y. Suzuki, T. Sugiura, N. Sakai, M. Hanazawa, T. Ohira

引用次数: 12

Development of improved 24GHz-band class-F load rectennas 改进的24ghz频段f类负载天线的研制

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215776

K. Hatano, N. Shinohara, T. Mitani, T. Seki, M. Kawashima

引用次数: 20

Wireless power transfer by low coupling electromagnetic induction — LC booster 无线电力传输低耦合电磁感应- LC助推器

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215779

Y. Ota, T. Takura, F. Sato, H. Matsuki

引用次数: 12

Automatic load control for highly efficient microwave rectifiers 高效微波整流器的自动负载控制

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215778

J. Guo, Haocheng Hong, Xinen Zhu

{"title":"Automatic load control for highly efficient microwave rectifiers","authors":"J. Guo, Haocheng Hong, Xinen Zhu","doi":"10.1109/IMWS.2012.6215778","DOIUrl":"https://doi.org/10.1109/IMWS.2012.6215778","url":null,"abstract":"This paper presents an adaptive microwave rectifier at 2.45 GHz with automatic load control to improve the conversion efficiency. The conversion efficiency of a rectifier usually changes as the input power level changes, mainly due to the diode efficiency loss associated with built-in voltage or breakdown effect. Therefore, the conversion efficiency can achieve an optimal value only at a specific input power level, and decreases when the input power deviates from this value. The proposed microwave rectifier can automatically tune the load to the optimal value at each input power to maintain a high conversion efficiency within a wide range of input power. An automatic control circuit uses a micro controller unit (MCU) to select various load resistors. By sensing the rectified DC voltage and the current load resistance, the MCU can automatically tune the load to the desired value based on a pre-loaded lookup table. When the input power changes from 5 to 70 mW, the rectifier can achieve optimal conversion efficiencies over 62.5% through automatic tuning the load from 800 to 250 Ω.","PeriodicalId":6308,"journal":{"name":"2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications","volume":"51 1","pages":"171-174"},"PeriodicalIF":0.0,"publicationDate":"2012-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83515752","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

Electromagnetically coupled resonators using toroidal ferrite core for wireless power transfer 采用环形铁氧体磁芯的电磁耦合谐振器用于无线电力传输

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215782

Hee-Jin Lee, J. Bang, C. Chung

引用次数: 5

Wireless power transfer system minimizing an influence of a desk 无线电力传输系统，最大限度地减少办公桌的影响

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215792

N. Oodachi, K. Ogawa, S. Obayashi, H. Shoki

{"title":"Wireless power transfer system minimizing an influence of a desk","authors":"N. Oodachi, K. Ogawa, S. Obayashi, H. Shoki","doi":"10.1109/IMWS.2012.6215792","DOIUrl":"https://doi.org/10.1109/IMWS.2012.6215792","url":null,"abstract":"A wireless power transfer system using both a resonant coil and a loop element has been reported. In this report, both a transmitter and a receiver are composed of a resonant coil and a loop element. In another report, only a loop element is employed for a receiver, and the configuration of the receiver is simplified. If there is a mutual coupling between the resonant coil and a surrounding object, a resonant frequency of the resonant coil is shifted. In particular, when a material of the surrounding object is a metal, the resonant frequency of the resonant coil is shifted significantly. When a frequency of the transmitter is restricted in narrowband, the transfer efficiency of the system becomes small. For example, when the transmitter of a wireless power transfer system for a mobile terminal is put on a steel desk, the transfer efficiency of the system becomes small. In this paper, a wireless power transfer system is proposed to minimize the influence of the desk. A transmitter of the proposed system is put on the desk. A receiver of the proposed system is put on the transmitter. Exploiting its thinness, a receiver of the proposed system is installed in a mobile terminal. The effectiveness of the proposed system is confirmed by the measurement data.","PeriodicalId":6308,"journal":{"name":"2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications","volume":"1 1","pages":"139-141"},"PeriodicalIF":0.0,"publicationDate":"2012-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83268386","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

Resonance and EMI in vertical multi-coupled coils for wireless power transfer (WPT) system 无线电力传输(WPT)系统中垂直多耦合线圈的共振和电磁干扰

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215772

Sunkyu Kong, J. J. Kim, Joungho Kim

{"title":"Resonance and EMI in vertical multi-coupled coils for wireless power transfer (WPT) system","authors":"Sunkyu Kong, J. J. Kim, Joungho Kim","doi":"10.1109/IMWS.2012.6215772","DOIUrl":"https://doi.org/10.1109/IMWS.2012.6215772","url":null,"abstract":"Wireless power transfer (WPT) using magnetic resonance could provide much convenience and so there has been much commercial interests on WPT recently. In the near future, WPT technology is expected to be applied to various electronic devices with transceiver coils for WPT. The coils in different electronic devices for WPT, then, could cause interference on each other. These environments could make a resonance peak for maximum power to divide into several peaks, and have an effect on transferred power and electromagnetic interference (EMI). Therefore, it is needed to measure and analyze various cases for different number of coils in WPT systems. In this paper, we have measured a resonance in vertical multi-coupled coils in the case of tight magnetic coupling. And we have analyzed the transferred power with respect to resonances of vertical multi-coupled coils. We also have measured EMI in vertical multi-coupled coils and analyzed EMI in frequency domain with respect to resonances of vertical multi-coupled coils for WPT systems.","PeriodicalId":6308,"journal":{"name":"2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications","volume":"295 1","pages":"147-150"},"PeriodicalIF":0.0,"publicationDate":"2012-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76465338","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

Development of bread board model for microwave power transmission experiment from space to ground using small scientific satellite 利用小型科学卫星进行空间微波功率传输实验的面包板模型研制

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215784

K. Tanaka, M. Kenichiro, M. Takahashi, T. Ishii, S. Sasaki

引用次数: 5

Harmonic balance design of wireless resonant-type power transfer links 无线谐振型输电链路的谐波平衡设计

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI: 10.1109/IMWS.2012.6215803

F. Mastri, A. Costanzo, M. Dionigi, M. Mongiardo

引用次数: 26