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The purpose of this paper is to present a new quick transient response digital control dc-dc converter with smart bias function and its design criterion. In the proposed method, not only the conventional P-I-D control as the feedback one but also the smart bias function as the feedforward one is used. The smart bias function consists of two superior functions. One is the steady-state function for...
This paper presents a novel 800W proto type digital P-I-D control switching power supply for the high voltage direct-current(HVDC) power feeding system The digital control circuit for HVDC power feeding system has some problems. Especially, the conversion time of A-D converter and the processing time of digital controller exert a bad influence upon the dynamic characteristics. In the proposed method,...
This paper presents a new fast response digital PID control circuit for dc-dc converter, its dynamic characteristics and the design criterion. In the conventional digital PID control method, the sampling rate is single and the calculation process of P-I-D control is series. On the other hand, in the proposed method, the sampling rate is divided each sampling period. The calculation process of P and...
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