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http://dx.doi.org/10.6113/JPE.2010.10.3.228

Conducted-Noise Characteristics of a Digitally-Controlled Randomly-Switched DC-DC Converter with an FPGA-Based Implementation  

Dousoky, Gamal M. (Graduate School of Information Science and Electrical Engineering, Kyushu University)
Shoyama, Masahito (Graduate School of Information Science and Electrical Engineering, Kyushu University)
Ninomiya, Tamotsu (Faculty of Engineering, Nagasaki University)
Publication Information
Journal of Power Electronics / v.10, no.3, 2010 , pp. 228-234 More about this Journal
Abstract
This paper investigates the conducted-noise characteristics of a digitally-controlled randomly-switched dc-dc converter. In order to investigate the effect of the suggested digital controller on the conducted-noise characteristics of a dc-dc converter, three factors have been studied: the field-programmable gate array (FPGA) clock speed, the randomization ratio percentage, and the effect of using a closed loop feedback controller. A field-programmable gate array is much more flexible than analog control circuits, has a lower cost, and can be used for power supply applications. A novel FPGA-based implementation has been suggested for obtaining the experimental validations and realizing the studied concepts. Furthermore, the experimental results have been discussed and design guidelines have been included.
Keywords
DC-DC converter; Electromagnetic compatibility; Electromagnetic interference; Field programmable gate arrays; Random number generation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 4
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