A Multistrategy-Based Multiobjective Differential Evolution for Optimal Control in Chemical Processes

Bin Xu, Xu Chen, Xiuhui Huang and Lili Tao

Complexity, 2018, vol. 2018, 1-22

Abstract:

Optimal control problems with multiple conflicting objectives in chemical processes are quite challenging. To solve such problems, we put forward a multistrategy-based multiobjective differential evolution, in which (1) a hybrid selection strategy is incorporated from the motivation of no single strategy outperforming all other ones in every stage; (2) a multipopulation strategy is applied to represent the main population and current optimum, and a cyclic crowding estimation is developed to maintain these optimum; and (3) a multimutation strategy is constructed to improve both exploration and exploitation ability. The effectiveness and efficiency of the proposed algorithm are validated by comparisons with some representative multiobjective evolutionary algorithms over 12 test instances. Moreover, the proposed algorithm is applied to solve 3 multiobjective optimal control problems in chemical processes. The obtained results indicate the efficiency and effectiveness of the proposed algorithm for solving multiobjective optimal control problems.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:2317860

DOI: 10.1155/2018/2317860

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