基于分层自主决策和DQN的自适应牧羊控制方法
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北京航空航天大学

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TP273

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中央高校基本科研业务费项目支持


Hierarchical Autonomous Decision and DQN Based Self-adaptive Shepherding Control Method
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Beihang University

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    摘要:

    牧羊控制方法逐渐被应用于机场鸟群驱离、无人机放牧、空地协同监视与引导等大规模集群运动协调问题。本文以牧羊无人机为例,提出了基于分层自主决策和深度Q网络(DQN)的自适应牧羊控制方法。首先,考虑离群个体活跃度衰减等因素,建立了牧羊控制问题的感知与运动模型。其次,针对个体滞留与离群问题,提出了GCM-Arc控制方法与避障策略,提升了羊群受控个体占比。最后,建立了分层自主决策模型,结合GCM-Arc控制方法与深度Q网络,提出了分层GCM-Arc控制方法,实现了控制模式自适应切换与参数自适应调整。数字仿真试验表明,本文方法在牧羊任务时间、无人机总路程、羊群平均半径、单体离群率和牧羊任务成功率方面,明显优于经典的GCM-V与Arc-Formation牧羊控制方法。

    Abstract:

    The shepherd control method is gradually being applied to address large-scale collective motion coordination prob-lems, such as bird dispersal at airports, drone herding, as well as air-ground coordinated surveillance and guidance. In this paper, taking UAV herding as an example, a self-adaptive shepherding control method based on Deep Q-Network (DQN) and hierarchical autonomous decision-making is proposed. Firstly, considering the factors such as the decay of the activity of outlying individuals, a perception and motion model of the shepherding control problem is established. Secondly, the GCM-Arc control method and obstacle avoidance strategy are proposed to improve the percentage of controlled individuals in the flock for the individual stagnation and outlier problem. Finally, a hierar-chical autonomous decision-making model is established, and a hierarchical GCM-Arc control method is proposed by combining the GCM-Arc control method and DQN, which realizes adaptive switching of control mode and adap-tive adjustment of parameters. Simulation experiments demonstrate that the proposed method in this paper outper-forms classical GCM-V and Arc-Formation shepherding control methods significantly in terms of shepherding task completion time, total drone distance traveled, average radius of the sheep herd, individual outlier rate, and sheep herding task success rate.

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  • 收稿日期:2024-05-27
  • 最后修改日期:2024-11-25
  • 录用日期:2024-11-25
  • 在线发布日期: 2025-01-06
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