M. Yamakawa, K. Shimamura, K. Komurasaki, H. Koizumi
{"title":"Demonstration of Automatic Impedance-Matching and Constant Power Feeding to and Electric Helicopter via Magnetic Resonance Coupling","authors":"M. Yamakawa, K. Shimamura, K. Komurasaki, H. Koizumi","doi":"10.4236/WET.2014.53006","DOIUrl":null,"url":null,"abstract":"Wireless power transfer (WPT) from a transmitter resonator on the ground \nto an electrically powered miniature heli-copter was attempted to demonstrate \nWPT using magnetic resonance coupling to an object moving in 3D space. The \ntransmission efficiency was optimized by automatic impedance matching for \ndifferent flight attitudes: a maximum flight altitude of 590 mm was achieved. \nFurthermore, an estimation method of transmission efficiency using only the \nproperties on the transmitter side was proposed, with transmission power \nregulated as constant against the change in the coupling coefficient.","PeriodicalId":68067,"journal":{"name":"无线工程与技术(英文)","volume":"5 1","pages":"45-53"},"PeriodicalIF":0.0000,"publicationDate":"2014-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"无线工程与技术(英文)","FirstCategoryId":"1093","ListUrlMain":"https://doi.org/10.4236/WET.2014.53006","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 10
Abstract
Wireless power transfer (WPT) from a transmitter resonator on the ground
to an electrically powered miniature heli-copter was attempted to demonstrate
WPT using magnetic resonance coupling to an object moving in 3D space. The
transmission efficiency was optimized by automatic impedance matching for
different flight attitudes: a maximum flight altitude of 590 mm was achieved.
Furthermore, an estimation method of transmission efficiency using only the
properties on the transmitter side was proposed, with transmission power
regulated as constant against the change in the coupling coefficient.
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