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Current referenced pulse train control technique applied to switching converter

Qin Ming Xu Jian-Ping Gao Yu Wang Jin-Ping

Current referenced pulse train control technique applied to switching converter

Qin Ming, Xu Jian-Ping, Gao Yu, Wang Jin-Ping
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  • Abstract views:  1400
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  • Received Date:  26 April 2011
  • Accepted Date:  01 June 2011
  • Published Online:  15 March 2012

Current referenced pulse train control technique applied to switching converter

  • 1. School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No. 50677056).

Abstract: A new control technique, current referenced pulse train (CR-PT), applied to switching dc-dc converter is proposed and analyzed in this paper. By sensing and comparing the output voltage and the load current at each switching cycle, an appropriate pulse is selected from among several preset pulses as an active control signal of converter. A buck converter is taken as an example to illustrate the principle, the application, the regulation, the steady state performance and the transient performance of CR-PT control scheme. The study results show that the CR-PT control enjoys the fast transient response, the convenient implementation and the stability, and the steady state performance of CR-PT control is much better than that of pulse train control.

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