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Hybrid model of linked and unlinked random PSO models

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Abstract

The unlinked random PSO model represented by the construction method shows the velocity anisotropy of the particle caused by the implementation method of random multiplicative parameters. On the other hand, another implementation method, the linked random method, is known to reduce the velocity anisotropy. First, we numerically analyze the parameter dependence of both the linked and unlinked random PSO models and find that the linked random PSO model shows a high global search ability and the unlinked random PSO model shows a high local search ability. Thus, a hybrid model of the linked and unlinked random PSO models is proposed by use of parameters obtained by our numerical parameter analysis of both models. As a result, the hybrid model has a high search ability for both unimodal and multimodal functions, especially rotated functions. Therefore, it is found that the local search ability and the global search ability are well balanced in the hybrid model.

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Authors and Affiliations

  1. Graduate School of Engineering, Nihon University, Koriyama, Japan

    Makiko Izumi & Toshiya Iwai

  2. College of Engineering, Nihon University, Koriyama, Japan

    Toshiya Iwai

Authors
  1. Makiko Izumi
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  2. Toshiya Iwai
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Correspondence to Toshiya Iwai.

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Izumi, M., Iwai, T. Hybrid model of linked and unlinked random PSO models. Artif Life Robotics 25, 258–263 (2020). https://doi.org/10.1007/s10015-019-00577-3

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  • DOI: https://doi.org/10.1007/s10015-019-00577-3

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