Game-Based Distributed Control for Multiple Euler–Lagrange Systems over Switching Topologies

IF 3.2 3区 计算机科学 Q2 AUTOMATION & CONTROL SYSTEMS
Jiaxun Liu, Dong Wang, Mingfei Chen, Shuai Liu, Xiwang Dong
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Abstract

This article investigates the controller design for a game-based distributed control problem for multiple Euler–Lagrange systems over switching topologies, in which the objective is to stabilize each Euler–Lagrange system and minimize the local cost function of an agent simultaneously. The communication topologies are switching among a set of weight-balanced digraphs, and the dynamic of an Euler–Lagrange agent includes unknown parts. In this problem, agents have limited observation of others' states, but agents can estimate other states by exchanging information with their neighbors over switching topologies. The coupling states of agents, uncomplete states, and switching topologies are such that existing distributed control strategies cannot address this problem. In this regard, two distributed controllers are respectively proposed for this game-based distributed control problem with known and unknown dynamics based on the feedback linearization, consensus-based estimation, gradient play, and integral compensation. Based on the time-scale decomposition technique and orthogonal decomposition method, it proves that the proposed controllers can stabilize the Euler–Lagrange agent and are such that the local state is pushed to the Nash equilibrium, and the communication topology is allowed to be arbitrarily switched among different digraphs. Lastly, the simulation demonstrates the effectiveness of proposed controllers.

切换拓扑上多个欧拉-拉格朗日系统的基于博弈的分布式控制
本文研究了切换拓扑上多个欧拉-拉格朗日系统的基于博弈的分布式控制问题的控制器设计,其目标是稳定每个欧拉-拉格朗日系统并同时最小化代理的局部成本函数。通信拓扑在一组权重平衡的有向图之间切换,欧拉-拉格朗日智能体的动态包含未知部分。在这个问题中,代理对其他状态的观察有限,但代理可以通过交换拓扑与邻居交换信息来估计其他状态。代理的耦合状态、不完全状态和切换拓扑使得现有的分布式控制策略无法解决这个问题。为此,分别基于反馈线性化、基于共识估计、梯度游戏和积分补偿的已知和未知动态博弈分布式控制问题,提出了两种分布式控制器。基于时间尺度分解技术和正交分解方法,证明了所提出的控制器能够稳定欧拉-拉格朗日智能体,使局部状态被推至纳什均衡,并允许通信拓扑在不同有向图之间任意切换。最后,通过仿真验证了所提控制器的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Journal of Robust and Nonlinear Control
International Journal of Robust and Nonlinear Control 工程技术-工程:电子与电气
CiteScore
6.70
自引率
20.50%
发文量
505
审稿时长
2.7 months
期刊介绍: Papers that do not include an element of robust or nonlinear control and estimation theory will not be considered by the journal, and all papers will be expected to include significant novel content. The focus of the journal is on model based control design approaches rather than heuristic or rule based methods. Papers on neural networks will have to be of exceptional novelty to be considered for the journal.
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