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<p>In recent years, significant research attention has been directed towards swarm intelligence. The Milling behavior of fish schools, a prime example of swarm intelligence, shows how simple rules followed by individual agents lead to complex collective behaviors. This paper studies Multi-Agent Reinforcement Learning to simulate fish schooling behavior, overcoming the challenges of tuning parameters in traditional models and addressing the limitations of single-agent methods in multi-agent environments. Based on this foundation, a novel Graph Convolutional Networks (GCN)-Critic MADDPG algorithm leveraging GCN is proposed to enhance cooperation among agents in a multi-agent system. Simulation experiments demonstrate that, compared to traditional single-agent algorithms, the proposed method not only exhibits significant advantages in terms of convergence speed and stability but also achieves tighter group formations and more naturally aligned Milling behavior. Additionally, a fish school self-organizing behavior research platform based on an event-triggered mechanism has been developed, providing a robust tool for exploring dynamic behavioral changes under various conditions.</p>

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Achievement of Fish School Milling Motion Based on Distributed Multi-agent Reinforcement Learning

  • 期刊论文

  • 发表日期：

    2025年5月26日

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  • Jincun Liu,
  • Yinjie Ren,
  • Yang Liu,
  • Yan Meng,
  • Dong An,
  • Yaoguang Wei

摘要

In recent years, significant research attention has been directed towards swarm intelligence. The Milling behavior of fish schools, a prime example of swarm intelligence, shows how simple rules followed by individual agents lead to complex collective behaviors. This paper studies Multi-Agent Reinforcement Learning to simulate fish schooling behavior, overcoming the challenges of tuning parameters in traditional models and addressing the limitations of single-agent methods in multi-agent environments. Based on this foundation, a novel Graph Convolutional Networks (GCN)-Critic MADDPG algorithm leveraging GCN is proposed to enhance cooperation among agents in a multi-agent system. Simulation experiments demonstrate that, compared to traditional single-agent algorithms, the proposed method not only exhibits significant advantages in terms of convergence speed and stability but also achieves tighter group formations and more naturally aligned Milling behavior. Additionally, a fish school self-organizing behavior research platform based on an event-triggered mechanism has been developed, providing a robust tool for exploring dynamic behavioral changes under various conditions.