• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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Volume 20 Issue 4
Aug.  2007
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Article Contents
HE Mingzhi, XU Jianping, WU Songrong. Digital V2 Control of DC-DC Switching Converters Based on Leading-Edge Modulation[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 484-489.
Citation: HE Mingzhi, XU Jianping, WU Songrong. Digital V2 Control of DC-DC Switching Converters Based on Leading-Edge Modulation[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 484-489.

Digital V2 Control of DC-DC Switching Converters Based on Leading-Edge Modulation

  • Received Date: 03 Mar 2006
  • Publish Date: 25 Aug 2007
  • In order to accelerate the development of digital control technique,a digital V2 control algorithm based on leading-edge modulation was proposed by introducting the blocks of digital controller and the theory of V2 control,and the principle of eliminating the sub-harmonic oscillation was investigated deeply.Numerical simulation of the switching converter with digital V2 control algorithm was performed based on MATLAB software platform,and experiments were carried out on FPGA(field-programmable-gate-array) hardware platform.The simulation and experiments results obtained respectively using the digital V2 control algorithm and a digital voltage control algorithm with the same Buck converter were compared.The results show that better performances of a switching converter can be obtained with the digital V2 control algorithm based on leading-edge modulation than with the voltage control algorithm.

     

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