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A Practical Stability Control Strategy for DC/DC Converters

  • Jiang, Lin (Department of Instrumental Electrical Engineering, School of Aerospace Engineering, Xiamen University, Shenzhen Research Institute of Xiamen University) ;
  • Li, Po (Department of Instrumental Electrical Engineering, School of Aerospace Engineering, Xiamen University, Shenzhen Research Institute of Xiamen University)
  • Received : 2017.05.15
  • Accepted : 2018.02.26
  • Published : 2018.05.01

Abstract

This paper aims at designing an intelligent controller, based on control Lyapunov Function strategy integrated with fabricating discrete model of Buck and Boost converters and analyzing energy changes during the DC/DC progress to realize tracing reference current on Buck and Boost converters. In addition, practical stability phenomenon research and transient performance analysis has been proposed to give an insight to the influence of controller parameters in achieving an enhanced output performance and how the time of sample period affect the error of practical stability will be illustrated. The novelty of this controller in comparison to other schemes lies in the improved performance of practical stability.

Acknowledgement

Supported by : Nature Science Foundation of China, Nature Science Foundation of Shenzhen City

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