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Stable Switching Rule Design for Buck Converter via Affine Switched Systems

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  • Jian Li
  • Jingjing Wang
  • Quankang Wang
  • Yingzhou Wang

Abstract

This paper presents design and analysis of the switching rule based on affine switched systems, and simulation and experimental verifications are carried out for the Buck converter. Firstly, the switched system is modeled according to the dynamic characteristics of the Buck converter, and the affine switched systems are introduced. Secondly, a switching rule based on affine switched systems is introduced which takes the maximum Lyapunov function between the two sets of Lyapunov functions. Finally, the experiment verifies the closed loop control based on the Buck converter after the simulation. The real-time switching signal of the model is the real-time PWM waveform in the experiment. The experimental results show that the switching rule makes the system asymptotically stable.

Suggested Citation

  • Jian Li & Jingjing Wang & Quankang Wang & Yingzhou Wang, 2019. "Stable Switching Rule Design for Buck Converter via Affine Switched Systems," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-7, October.
    • Handle: RePEc:hin:jnlmpe:4640789
    DOI: 10.1155/2019/4640789
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