期刊
NEURAL COMPUTING & APPLICATIONS
卷 35, 期 20, 页码 14973-15004出版社
SPRINGER LONDON LTD
DOI: 10.1007/s00521-023-08432-0
关键词
Algorithm; Bechmark; Artificial Intelligence; Multi-objective optimization; CEC benchmark; Chaos game optimization; Engineering problems; Optimization
The Chaos Game Optimization (CGO) is effective for single-objective optimization, but cannot handle multiple objectives. This study proposes a multi-objective CGO (MOCGO) algorithm that stores Pareto-optimal solutions and utilizes multi-objective optimization. MOCGO is evaluated using seventeen case studies and outperforms existing methods.
The Chaos Game Optimization (CGO) has only recently gained popularity, but its effective searching capabilities have a lot of potential for addressing single-objective optimization issues. Despite its advantages, this method can only tackle problems formulated with one objective. The multi-objective CGO proposed in this study is utilized to handle the problems with several objectives (MOCGO). In MOCGO, Pareto-optimal solutions are stored in a fixed-sized external archive. In addition, the leader selection functionality needed to carry out multi-objective optimization has been included in CGO. The technique is also applied to eight real-world engineering design challenges with multiple objectives. The MOCGO algorithm uses several mathematical models in chaos theory and fractals inherited from CGO. This algorithm's performance is evaluated using seventeen case studies, such as CEC-09, ZDT, and DTLZ. Six well-known multi-objective algorithms are compared with MOCGO using four different performance metrics. The results demonstrate that the suggested method is better than existing ones. These Pareto-optimal solutions show excellent convergence and coverage.
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