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Keywords:

  • DCDC converter;
  • hybrid dynamical systems;
  • power electronics;
  • model predictive control;
  • multi-parametric mixed integer quadratic programming

Abstract

This paper presents an optimal control method for DCDC converters. The system is modeled as a mixed logical dynamical system so that the switching property can be considered explicitly. Specifically, the input of the system is confined to a discrete value whereas the output to be controlled is a continuous value. The optimal control law for the system is obtained by means of off-line model predictive control. The effectiveness of the proposed method is illustrated through numerical simulations and experiments. Copyright © 2009 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.