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Solving Multiobjective Optimization Problems in Unknown Dynamic Environments: An Inverse Modeling Approach
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DOI：10.1109/TCYB.2016.2602561.png)
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Abstract
En 中文
Evolutionary multiobjective optimization in dynamic environments is a challenging task, as it requires the optimization algorithm converging to a time-variant Pareto optimal front. This paper proposes a dynamic multiobjective optimization algorithm which utilizes an inverse model set to guide the search toward promising decision regions. In order to reduce the number of fitness evalutions for change detection purpose, a two-stage change detection test is proposed which uses the inverse model set to check potential changes in the objective function landscape. Both static and dynamic multiobjective benchmark optimization problems have been considered to evaluate the performance of the proposed algorithm. Experimental results show that the improvement in optimization performance is achievable when the proposed inverse model set is adopted.
Keywords:
Change detection
decomposition
dynamic multiobjective optimization
evolutionary computation
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