Journal of Systems Engineering and Electronics ›› 2009, Vol. 31 ›› Issue (5): 1222-1226.

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Multi-objective robust optimization method based on evolutionary computation

PU Bao-xing1,2, YANG Lu-ming1, XIAO Xiao1   

  1. 1. School of Information Science and Engineering, Central South Univ., Changsha 410083, China;
    2. Dept. of Information Engineering, Shaoyang Coll., Shaoyang 422001, China
  • Received:2008-01-29 Revised:2008-07-01 Online:2009-05-20 Published:2010-01-03

Abstract: The relatively high quality and appointed robustness of solutions are quite desirable in solving a multi-objective optimization problem of the engineering application.This paper proposes a strict robustness measure method and a mathematical model to obtain multi-objective robust Pareto optimal solutions based on user's strict robustness requirement and by analyzing the existing robustness measure methods of multi-objective optimization solutions.The model includes a dual nested optimization process,in which the external optimization process measures the performance of candidate solutions,while the inner optimization process measures the robustness index of candidate solutions.By using evolutionary computation as a search engine,an algorithm for implementing the model is proposed,and simulation results indicate that the proposed method is effective.

CLC Number: 

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