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An adaptive coevolutionary Differential Evolution algorithm for large-scale optimization

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5 Author(s)
Zhenyu Yang ; Nature Inspired Computation and Applications Laboratory, the Department of Computer Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027, China ; Jingqiao Zhang ; Ke Tang ; Xin Yao
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In this paper, we propose a new algorithm, named JACC-G, for large scale optimization problems. The motivation is to improve our previous work on grouping and adaptive weighting based cooperative coevolution algorithm, DECC-G [1], which uses random grouping strategy to divide the objective vector into subcomponents, and solve each of them in a cyclical fashion. The adaptive weighting mechanism is used to adjust all the subcomponents together at the end of each cycle. In the new JACC-G algorithm: (1) A most recent and efficient Differential Evolution (DE) variant, JADE [2], is employed as the subcomponent optimizer to seek for a better performance; (2) The adaptive weighting is time-consuming and expected to work only in the first few cycles, so a detection module is added to prevent applying it arbitrarily; (3) JADE is also used to optimize the weight vector in adaptive weighting process instead of using a basic DE in previous DECC-G. The efficacy of the proposed JACC-G algorithm is evaluated on two sets of widely used benchmark functions up to 1000 dimensions.

Published in:

2009 IEEE Congress on Evolutionary Computation

Date of Conference:

18-21 May 2009