Algorithm Research & Explore
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3599-3605,3613

Virtual multi-tasking symbiotic organisms search algorithm for path planning problem

Xu Jianga
Cheng Meiyingb
a. School of Information Engineering, b. School of Economics & Management, Huzhou University, Huzhou Zhejiang 313000, China

Abstract

Aiming at the problems of poor performance and slow convergence of existing symbiotic organisms search(SOS) algorithm in solving discrete optimization problems such as path planning, this paper proposed the virtual multi-task SOS(VMTSOS). Firstly, according to the bidirectional mapping decoding strategy, it realized the transformation between individual continuous spatial position and discrete city sequence. Secondly, it introduced the idea of multi-task optimization to construct a virtual multi-task environment, designed multiple populations to optimize the same task simultaneously, and the stagnation threshold controlled the frequency of information transfer between populations. Once the main population reached the stagnation threshold, it replaced some excellent individuals in the auxiliary population with inferior individuals in the main population. Finally, it analyzed the time and space complexity of VMTSOS. Experiment results show that VMTSOS converges rapidly to the current optimal solution of each test case when solving most TSP problems, while VMTSOS with multiple groups assistance mechanisms can greatly reduce the optimal total cost when solving cold chain logistics distribution problems.

Foundation Support

国家自然科学基金青年基金资助项目(62102148)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2023.04.0152
Publish at: Application Research of Computers Printed Article, Vol. 40, 2023 No. 12
Section: Algorithm Research & Explore
Pages: 3599-3605,3613
Serial Number: 1001-3695(2023)12-012-3599-07

Publish History

[2023-06-26] Accepted Paper
[2023-12-05] Printed Article

Cite This Article

徐江, 程美英. 面向路径规划问题的虚拟多任务共生生物搜索算法 [J]. 计算机应用研究, 2023, 40 (12): 3599-3605,3613. (Xu Jiang, Cheng Meiying. Virtual multi-tasking symbiotic organisms search algorithm for path planning problem [J]. Application Research of Computers, 2023, 40 (12): 3599-3605,3613. )

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  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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