Adaptive genetic algorithms applied to dynamic multiobjective problems

Zafer Bingül

doi:10.1016/j.asoc.2006.03.001

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Adaptive genetic algorithms applied to dynamic multiobjective problems

2007-06-01

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Zafer Bingül *

DOI：10.1016/j.asoc.2006.03.001

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Abstract

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This paper describes an adaptive genetic algorithm ( AGA) with dynamic fitness function for multiobjective problems ( MOPs) in a dynamic environment. In order to see performance of the algorithm, AGA was applied to two kinds of MOPs. Firstly, the algorithm was used to find an optimal force allocation for a combat simulation. The paper discusses four objectives that need to be optimized and presents a fuzzy inference system that forms an aggregation of the four objectives. A second fuzzy inference system is used to control the crossover and mutation rates based on statistics of the aggregate fitness. In addition to dynamic force allocation optimization problem, a simple example of a dynamic multiobjective optimization problem taken from Farina et al. [ M. Farina, K. Deb, P. Amato, Dynamic multiobjective optimization problems: test cases, approximations, and applications, IEEE Trans. Evol. Comput. 8 ( 5) ( 2004) 425-442] is presented and solved with the proposed algorithm. The results obtained here indicate that performance of the fuzzy-augmented GA is better than a standard GA method in terms of improvement of convergence to solutions of dynamic MOPs. (c) 2006 Elsevier B. V. All rights reserved.

Keywords:

adaptive genetic algorithms

fuzzy logic

force allocation

combat simulation and multiobjective optimization

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