Mixed time/event-triggered distributed predictive control over wired-wireless networks

Mixed time/event-triggered distributed predictive control over wired-wireless networks
复制标题

有线无线网络上的混合时间/事件触发分布式预测控制

DOI:
10.1016/j.jfranklin.2016.08.002
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发表时间:
2017-06
期刊:
Journal of the Franklin Institute
影响因子:
--
通讯作者:
Yugang Niu
Yugang Niu
中科院分区:
其他
文献类型:
--
作者:
Yuanyuan Zou;Xu Su;Yugang Niu

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有线与无线混合通信是大规模分布式控制系统的发展趋势。在这种通信环境下,由于无线资源的有限性,子系统的通信模式发生了根本性的变化,需要同时考虑时间触发和事件触发的分布式控制器的设计。研究了受有界扰动约束的线性大系统的时间/事件触发混合双模分布式预测控制问题。考虑到两种不同通信方式的影响,并在当前实际状态和预测状态之间引入预测误差,推导了每个事件触发子系统的事件触发条件。在此基础上,针对子系统间的异步协调问题,提出了一种混合时间/事件触发双模DPC算法。进一步,给出了混合触发DPC的递归可行性和闭环稳定性的充分条件。最后,通过一个多车控制系统验证了该方法的有效性。
Communicating via mixed wired-wireless connections is the development trend for large-scale distributed control systems. In this communication environment, due to the limited wireless resources, the communication patterns of subsystems have changed fundamentally, and the design of time-triggered and event-triggered distributed controllers should be taken into account simultaneously. The objective of this paper is to investigate mixed time/event-triggered dual-mode distributed predictive control (DPC) for constrained large-scale linear systems subject to bounded disturbances. Considering the effects of two different communication modes and introducing a prediction error between the current actual state and predicted state, the event-triggering condition is derived for each event-triggered subsystem. Based on this, a mixed time/event-triggered dual-mode DPC algorithm is proposed in view of the asynchronous coordination among subsystems. Furthermore, the sufficient conditions to ensure the recursive feasibility and closed-loop stability of mixed triggered DPC are developed. Finally, a multi-vehicle control system is provided to verify the effectiveness of the proposed approach.
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