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微波工程期中報告

微波工程期中報告. 研討論文: "Wireless Power Transmission: State-of-the Arts in Technologies And Potential Applications (Invited Paper) " 作者: Joshua Le-Wei Li 來源: Proceedings of the Asia-Pacific Microwave Conference 2011 報告人 : 碩研電子一甲 MA130220 柯慶宏. Southern Taiwan University.

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微波工程期中報告

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  1. 微波工程期中報告 研討論文: "Wireless Power Transmission:State-of-the Arts in Technologies And Potential Applications(Invited Paper) " 作者: Joshua Le-Wei Li 來源:Proceedings of the Asia-Pacific Microwave Conference 2011 報告人: 碩研電子一甲 MA130220 柯慶宏 Southern Taiwan University Department of Electronic Engineering

  2. Abstract • address briefly the state-of- the-art research and development progresses in the wireless power transmission technology and also potential applications. • categorized into two aspects, that is, (a) the long distance and high-power wireless energy transmission and (b) the short-range and low-power wireless energy transmission. • For the long-distance high-power transmission, the review will cover atmospheric effects, high-power microwave generation, transmitting antennas, EMC/EMI effects on radio frequency wireless system, rectennas, and biological effects on human being and animals. • For the short-range wireless power transmission, the review will touch inductive couple effects and their applications onto power-grid systems, wireless power charging systems, and medical applications. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  3. Historical Development Of Wireless Power Transmissions Fig. 1. Nikola Tesla proposed a gigantic coil connecting to a high mast of 200-ft with a 3 ft-diameter ball at its top. He fed 300 kW power to the Tesla coil resonated at 150 kHz and reached the RF potential of 100 MV at the top sphere. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  4. Fig. 2. Sketched illustration of the space solar power satellite. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  5. Long-Distance High-Power Wireless Transmission Fig. 3. First ground-to-ground MPT experiment in 1975 at the Venus Site of JPL Goldstone facility. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  6. Table 1: Typical parameters of the transmitting antenna of the solar power satellite. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  7. Fig. 4. An example of proposed rectenna covering 5 km in diameter. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  8. Short-Range Low-Power Wireless Transmission Fig. 5. Inductive coupling of energy and wireless power transmission. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  9. A. Inductive Magnetic Resonant Coupling Effects 一個燈泡就要如此大的線圈,那麼如果是1台電視呢…? Fig. 6. Inductive coupling experiments. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  10. B. Wireless Power Transmission Fig. 7. Flexibly folded sheet transmits power to electric devices. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  11. Conclusions • some critical issues in the long-distance high-power wireless transmissions and also the short-range low-power wireless transmissions are briefly reviewed and their applications are addressed. • the applications of the long-distance high-power wireless transmissions are primarily applied to the space solar power satellites and the far-distance remote site power supplies, the short-range low-power wireless transmissions are applied to the power grid system to form a wireless power supply, the wireless charging system and also the medical sensor network and imaging systems. Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  12. References [1] M. F. Iskander, Electromagnetic Fields and Waves, Prentice Hall, 1992 [2] K. Chang, (Ed.), Handbook of Microwave and Optical Components,Volume 1, Wiley-Interscience, 1989 [3] N. Shinohara, Wireless Power Transmission for Solar Power Satellite (SPS), Internal Report, Kyoto University, Japan 2006. [4] Peter Vaessen, Briefing Paper: Wireless Power Transmission, Internal Report, Leonardo Energy, September 2009 [5] White paper on Solar Power Satellite Systems, URSI, September 2006 [6] Perkins, F. W. and R. G. Roble, “Ionospheric heating by radio waves; predictions for Arecibo and satellite power station”, J. Geophys. Res., vol. 83, no. A4, pp.1611-1624, 1978 [7] John M. Osepchuk, “Health and safety issues for microwave power transmission”, Solar Energy, vol. 56, 1996 [8] Andr Kurs, Aristeidis Karalis, Robert Moffatt, J. D. Joannopoulos, Peter Fisher, Marin Soljacic, “Wireless Power Transfer via Strongly Coupled Magnetic Resonances”, Science, vol. 317, 83, July, 2007 Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

  13. 心得 在這篇Paper 裡讓我認識了有關微波的起源到現今的技術走向,甚至是到現在致力發展的無線充電技術,對於供電需求量大的機器它的技術可能還有待加強,此研究不僅能讓科技往前邁進更能讓人們的生活更加方便。 Proceedings of the Asia-Pacific Microwave Conference 2011, University of Electronic Science and Technology of China, Joshua Le-Wei Li, Institute of Electromagnetics and School of Electronic Engineering

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