1. Parameter Design and Performance Analysis of an Improved MOCEO Algorithm
- Author
-
Zhao Duo, Zhang XiaYing, Huang Chenxi, and Tang Qichao
- Subjects
Optimization problem ,Computer science ,Population size ,0211 other engineering and technologies ,Evolutionary algorithm ,02 engineering and technology ,Parameter design ,Multi-objective optimization ,03 medical and health sciences ,0302 clinical medicine ,Local optimum ,Robustness (computer science) ,030212 general & internal medicine ,Algorithm ,021106 design practice & management - Abstract
In order to solve the multi-objective optimization problem, this paper proposes a multi-objective cross-entropy optimization (MOCEO) algorithm based on the original single-objective cross-entropy (CE) optimization algorithm. Situations, with a low probability for optimal point, and also, locations with a high probability to fall into local optimum after tested with standard test function ZDT4 and ZDT6 problems. The algorithm is then introduced an improved method called disturbance, including recombination, variance disturbance and varying population size. Each operation contains a variable parameter. Appropriate selection of parameters can maximize the optimization ability. A set of optimal parameters is designed and the answers are verified by a comparative study with other meta-heuristic optimization algorithms such as NSGA-II, SPEA2, MOEA/D and PAES in similar conditions. The results indicate that those improvements are effective and the algorithm proposed in this paper is superior to other algorithms. It has the advantages of strong searching ability and high robustness which is applicable to challenging difficulties with unknown search spaces.
- Published
- 2020