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Double-hybrid spread-spectrum technique for conducted-EMI reduction in DC-DC switching regulators with FPGA-based controller


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タイトル: Double-hybrid spread-spectrum technique for conducted-EMI reduction in DC-DC switching regulators with FPGA-based controller
著者: Dousoky, Gamal M. / Shoyama, Masahito / Ninomiya, Tamotsu
発行日: 2009年10月
出版者: IEEE
引用: INTELEC 2009, pp.1-6; 2009
抄録: The purpose of this paper is to present a novel technique for conducted-noise reduction in de-de switching regulators. In order to effectively spread the conducted-noise frequency spectrum and, at the same time, attain a satisfactory voltage regulation, two parameters (carrier frequency and pulse position) have been randomized, and the third parameter (duty ratio) has been controlled by a digital compensator. Furthermore, the effect of using the proposed controller on common-mode, differential-mode, and total conducted-noise characteristics of the converter has been experimentally investigated. The converter's performance with using the proposed technique has been experimentally investigated. It is assumed that the implementation technology is a field programmable gate array (FPGA) which is becoming increasingly adopted in industrial electronic applications.
記述: INTELEC 2009 - 2009 International Telecommunications Energy Conference : Incheon, South Korea, 2009.10.18-2009.10.22
キーワード: DC-DC power conversion / Electromagnetic compatibility / Electromagnetic interference / Field programmable gate arrays / Spread-spectrum
URI: http://hdl.handle.net/10069/23231
ISBN: 978-1-4244-2490-0
ISSN: 02750473
DOI: 10.1109/INTLEC.2009.5352023
権利: (c)2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
資料タイプ: Conference Paper
原稿種類: publisher
出現コレクション:060 会議発表資料

引用URI : http://hdl.handle.net/10069/23231

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