吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊1): 270-274.

• paper • Previous Articles     Next Articles

Explicit model predictive control of DC-DC converters

ZHANG Ju, DING Jing   

  1. College of Information Engineering, Zhejiang University of Technology, Hangzhou 310032, China
  • Received:2011-04-21 Online:2011-09-01 Published:2011-09-01

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Abstract:

A discrete time hybrid model of the DC-DC converter was developed by using the v-resolution modeling approach,and then was transformed into the piecewise affine(PWA) form.Thus,the problem of optimal control of DC-DC converter was cast as the PWA constrained optimal control problem.For the fast dynamic property of discrete-time PWA systems with constraints on inputs and stats,based on multi-parametric quadratic programming method,the explicit model predictive control was applied to the optimal control problem of DC-DC converter,and an explicit piecewise state feedback control law was obtained,and the explicit model predictive control system of DC-DC converter was established.The results of numerical simulations show that the explicit model predictive control of DC-DC converters is effective,and its dynamic properties are satisfying.

Key words: automatic control technology, DC-DC converters, explicit model predictive control, piecewise affine model, multi-parametric programming

CLC Number: 

  • TP273


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