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CMAIS-WOA: An Improved WOA with Chaotic Mapping and Adaptive Iterative Strategy

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  • Chao-Hsien Hsieh
  • Qing Zhang
  • Ya Xu
  • Ziyi Wang
  • Giulio E. Cantarella

Abstract

This paper proposes an improved whale optimization algorithm with chaotic mapping and adaptive iteration strategy (CMAIS-WOA). This algorithm addresses the issues of the WOA algorithm that is prone to local optimal solutions with low stability. CMAIS-WOA utilizes chaotic mapping to enhance the diversity and coverage of the initial population. Also, it adaptively adjusts the weight values based on the current distribution of whale populations and the fitness of search agents. In addition, CMAIS-WOA uses an improved nonlinear convergence factor to adjust the breadth-first and depth-first search during the optimization process. The performance of the proposed CMAIS-WOA is evaluated by using 13 classical benchmark functions and IEEE CEC2014 test suite. The experimental results show that CMAIS-WOA effectively improves the stability of the optimal solution and helps the algorithm to approach the global optimal solution. The method proposed in this paper contributes to the field of optimization which solves problems more powerfully and efficiently.

Suggested Citation

  • Chao-Hsien Hsieh & Qing Zhang & Ya Xu & Ziyi Wang & Giulio E. Cantarella, 2023. "CMAIS-WOA: An Improved WOA with Chaotic Mapping and Adaptive Iterative Strategy," Discrete Dynamics in Nature and Society, Hindawi, vol. 2023, pages 1-18, December.
    • Handle: RePEc:hin:jnddns:8160121
    DOI: 10.1155/2023/8160121
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