A Reference Vector-Based Simplified Covariance Matrix Adaptation Evolution Strategy for Constrained Global Optimization

During the last two decades, the notion of multiobjective optimization (MOO) has been successfully adopted to solve the nonconvex constrained optimization problems (COPs) in their most general forms. However, such works mainly utilized the Pareto dominance-based MOO framework while the other success...

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Vydáno v:IEEE transactions on cybernetics Ročník 52; číslo 5; s. 3696 - 3709
Hlavní autoři: Kumar, Abhishek, Das, Swagatam, Mallipeddi, Rammohan
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States IEEE 01.05.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Adaptation
Benchmark testing
Business competition
Constrained optimization
Covariance matrices
Covariance matrix
covariance matrix adaptation evolution strategy (CMA-ES)
Cybernetics
Decision feedback equalizers
Evolutionary algorithms
Evolutionary computation
Global optimization
Maintenance engineering
multiobjective optimization (MOO)
Multiple objective analysis
Optimization
Pareto optimization
Power flow
Ranking
reference vector-based ranking (RVRanking) strategy
Strategy
ISSN:2168-2267, 2168-2275, 2168-2275
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Shrnutí:During the last two decades, the notion of multiobjective optimization (MOO) has been successfully adopted to solve the nonconvex constrained optimization problems (COPs) in their most general forms. However, such works mainly utilized the Pareto dominance-based MOO framework while the other successful MOO frameworks, such as the reference vector (RV) and the decomposition-based ones, have not drawn sufficient attention from the COP researchers. In this article, we utilize the concepts of the RV-based MOO to design a ranking strategy for the solutions of a COP. We first transform the COP into a biobjective optimization problem (BOP) and then solve it by using the covariance matrix adaptation evolution strategy (CMA-ES), which is arguably one of the most competitive evolutionary algorithms of current interest. We propose an RV-based ranking strategy to calculate the mean and update the covariance matrix in CMA-ES. Besides, the RV is explicitly tuned during the optimization process based on the characteristics of COPs in a RV-based MOO framework. We also propose a repair mechanism for the infeasible solutions and a restart strategy to facilitate the population to escape from the infeasible region. We test the proposal extensively on two well-known benchmark suites comprised of 36 and 112 test problems (at different scales) from the IEEE CEC (Congress on Evolutionary Computation) 2010 and 2017 competitions along with a real-world problem related to power flow. Our experimental results suggest that the proposed algorithm can meet or beat several other state-of-the-art constrained optimizers in terms of the performance on a wide variety of problems.
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ISSN:2168-2267
2168-2275
2168-2275
DOI:10.1109/TCYB.2020.3013950