4.5 Article

Improved Salp Swarm Algorithm with Simulated Annealing for Solving Engineering Optimization Problems

期刊

SYMMETRY-BASEL
卷 13, 期 6, 页码 -

出版社

MDPI
DOI: 10.3390/sym13061092

关键词

swarm-based algorithm; salp swarm algorithm; single objective optimization; symmetric perturbation; simulated annealing; engineering optimization problems

资金

  1. Open Foundation of Key Laboratory in Software Engineering of Yunnan Province [2020SE307, 2020SE308, 2020SE309]
  2. Scientific Research Foundation of Education Department of Yunnan Province [2021J0007]

向作者/读者索取更多资源

This paper introduces an improved salp swarm algorithm (SASSA) that enhances performance through strategies such as chaotic sequence initialization and symmetric adaptive population division, as well as a simulated annealing mechanism based on symmetric perturbation. The efficiency of SASSA was evaluated using CEC standard benchmark functions, demonstrating its superior global search capability and applicability to engineering optimization problems.
Swarm-based algorithm can successfully avoid the local optimal constraints, thus achieving a smooth balance between exploration and exploitation. Salp swarm algorithm (SSA), as a swarm-based algorithm on account of the predation behavior of the salp, can solve complex daily life optimization problems in nature. SSA also has the problems of local stagnation and slow convergence rate. This paper introduces an improved salp swarm algorithm, which improve the SSA by using the chaotic sequence initialization strategy and symmetric adaptive population division. Moreover, a simulated annealing mechanism based on symmetric perturbation is introduced to enhance the local jumping ability of the algorithm. The improved algorithm is referred to SASSA. The CEC standard benchmark functions are used to evaluate the efficiency of the SASSA and the results demonstrate that the SASSA has better global search capability. SASSA is also applied to solve engineering optimization problems. The experimental results demonstrate that the exploratory and exploitative proclivities of the proposed algorithm and its convergence patterns are vividly improved.

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