Robust stabilization control for multi-station motion system with network communication constraints

Robust stabilization control for multi-station motion system with network communication constraints
复制标题

具有网络通信约束的多站运动系统鲁棒稳定控制

DOI:
10.1016/j.jfranklin.2022.01.027
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发表时间:
2022-01
期刊:
Journal of the Franklin Institute
影响因子:
--
通讯作者:
Xisheng Dai
Xisheng Dai
中科院分区:
其他
文献类型:
--
作者:
Li Qiu;Longcheng Dai;Jianfei Pan;Marzieh Najariyan;Chengxiang Liu;Xisheng Dai

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针对具有随机网络诱导通信约束的网络化多站协同运动系统(MSCMS),提出了鲁棒镇定控制技术和时延补偿方法。首先,建立了不确定多节点MSCMS模型。同时考虑了随机网络通信时延、站节点位置补偿、站节点的两种拓扑结构以及多站节点之间的相互位置干扰。其次,离散时间马尔可夫链被用来模拟随机网络延迟的MSCMS。采用时延补偿方法对多电机节点间的跟踪误差进行补偿。通过构造新的李雅普诺夫泛函,结合稳定性理论和不等式技巧,给出了多模态控制系统的稳定性条件和鲁棒控制器设计方法。最后,通过多个对比实验验证了该方法的有效性。
In this article, the robust stabilization control techniques and the time delays compensation method are proposed in a networked multi-station cooperative motion system (MSCMS), where random network-induced communication constraints are presented. First, an uncertain multi-nodes model of MSCMS is established. Moreover, the random network communication delays, station nodes position compensation, two types of topologies of the station nodes, and the mutual position disturbance among the multi-station nodes are considered simultaneously. Second, a discrete-time Markov chain is used to model the random network delays for the MSCMS. A time delay compensation method is applied to compensate the tracking errors among the multi-motor nodes. Moreover, the stability conditions and the robust controller design method for MSCMS are presented by constructing a new Lyapunov functional and combining stability theory and inequality techniques. Finally, the effectiveness of the proposed method for the MSCMS is verified by several comparative experimental results.
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