Analysis of Unstable Operation in a Basic Delta Modulator for PWM Control(Nonlinear Problems)
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概要
- 論文の詳細を見る
This paper studies dynamics of a delta modulator for PWM control. In order to analyze the circuit dynamics we derive a one-dimensional return map of switching time. The map is equivalent to a circle map in wide parameter region and its nonperiodic behavior corresponds to undesired asynchronous operation of the circuit. We then present a simple stabilization method of the system operations by means of periodic compulsory switching. The mechanism of the stabilization is considered from viewpoints of bifurcation. Using a simple test circuit, typical operations are confirmed experimentally.
- 社団法人電子情報通信学会の論文
- 2005-08-01
著者
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SAITO Toshimichi
Hosei University
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Saito Toshimichi
Department Of Electronics Electrical And Computer Engineering Hosei University
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Saito Toshimichi
Eece Dept Hosei University
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Shimazu Hiroshi
Eece Dept. Hosei University
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Saito Toshimichi
Hosei Univ. Koganei‐shi Jpn
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