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报告题目一Current Research and Development of Wireless Power Transfer via Radio Waves and the Application

报 告 人Prof. Naoki Shinohara

  位:Kyoto University

报告题目二:Efficiency Calculator of Wireless Power Transfer System (E-WPT)

报告人:Prof. Qiaowei Yuan

  National Institute of Technology, Sendai College.

 

报告时间 2017年7月31日 (星期一)下午2:00-5:00

   点:南京市玄武区四牌楼2号,东南大学四牌楼校区,李文正楼北641会议室

主办单位东南大学毫米波国家重点实验室

             IEEE AP-MTT-EMC Joint Nanjing Chapter

             江苏省电子学会天线与微波专委会

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报告一 内容简介:

Abstract: Theory, technologies, applications, and current R&D status of the wireless power transfer (WPT) will be presented. The talk will cover both the far-field WPT via radio waves, especially beam-type and ubiquitous-type WPT, and energy harvesting from broadcasting waves. The research of the WPT was started from the far-field WPT via radio waves, in particular the microwaves in 1960s. In recent years this became a hot topic again due to the rapid growth of wireless devices. Theory and technologies of antenna and circuits will be presented in case of beam-type and ubiquitous-type WPT. The industrial applications and current R&D status of the WPT via radio waves will be also presented.

Key words:

Wireless Power Transfer, Microwave Power Transmission, Energy Harvesting, Rectenna, Phased Array.

Biography

Naoki Shinohara received the B.E. degree in electronic engineering, the M.E. and Ph.D (Eng.) degrees in electrical engineering from Kyoto University, Japan, in 1991, 1993 and 1996, respectively. He was a research associate in the Radio Atmospheric Science Center, Kyoto University from 1996. He was a research associate of the Radio Science Center for Space and Atmosphere, Kyoto University by recognizing the Radio Atmospheric Science Center from 2000, and there he was an associate professor since 2001. He was an associate professor in Research Institute for Sustainable Humanosphere, Kyoto University by recognizing the Radio Science Center for Space and Atmosphere since 2004. From 2010, he has been a professor in Research Institute for Sustainable Humanosphere, Kyoto University. He has been engaged in research on Solar Power Station/Satellite and Microwave Power Transmission system. He is IEEE MTT-S Technical Committee 26 (Wireless Power Transfer and Conversion) vice chair, IEEE MTT-S Kansai Chapter TPC member, IEEE Wireless Power Transfer Conference advisory committee member, international journal of Wireless Power Transfer (Cambridge Press) executive editor, technical committee on IEICE Wireless Power Transfer, communications society member, Japan Society of Electromagnetic Wave Energy Applications vice president, Space Solar Power Systems Society board member, Wireless Power Transfer Consortium for Practical Applications (WiPoT) chair, and Wireless Power Management Consortium (WPMc) chair.

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报告二 内容简介:

Abstract

To the wireless power transfer (WPT) system with arbitrary transmitting/Receiving elements, not only the maximum transfer efficiency (MTE), but also the optimum source and load impedance to achieve the maximum MTE have been derived from the impedance matching condition at the input and output ports by using S parameters. Certainly, they can be obtained by using Z parameters because S parameter and Z parameter can be transfer each other. In this lecture, firstly, the efficiency calculator of wireless power transfer system called as E-WPT will be introduced, then the examples of MTEs obtained by using S parameters and by using Z parameters will be demonstrated. Especially, the application of Z parameters to the WPT system using the magnetically coupling coils or resonance version will be described in detail, showing that the MTE and the optimum load impedance obtained by Z parameter agree with those based on the circuit theory.

Biography

Qiaowei Yuan received the BE, ME, and PhD from Xidian University, Xidian University, Xi’an, China, in 1986, 1989, and 1997, respectively. From 1990 to 1991, she was a special research student at Tohoku University, Sendai, Japan. From 1992 to 1995, she worked in Sendai Research and Development Laboratory, Matsushita Communication Company, Ltd., engaging in research and design of compact antennas for second generation mobile phones. From 1997 to 2002, she was a researcher in Sendai Research and Development Center, Oi Electric Company, Ltd., involved in researching and designing of small antennas for pager communications and the parabolic antenna for 26.5 GHz fixed wireless access (FWA) communication. From 2002 to 2007, she was a researcher with Intelligent Cosmos Research Institute, Sendai, Japan, involved in the research and development of adaptive array antennas and RF circuits for mobile communications. From 2007 to 2008, she was an Associate Professor of Tokyo University of Agriculture and Technology. She is currently Professor of National Institute of Technology, Sendai College.

Dr. Yuan received the Best Paper Award and Zenichi Kiyasu Award in 2009 from the Institute of Electronics, Information and Communication Engineers (IEICE) of Japan.

Dr. Yuan severed as the secretary of IEICE Technical Committee on Wireless Power transfer of Japan from 2013 to 2015. And she also was a visiting scholar at ElectroScience Laboratory of Ohio State University in USA from April 2015 to September 2015. 

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