Event-triggered communication and H∞ control co-design for networked control systems

Peng, Chen and Yang, Tai Cheng (2013) Event-triggered communication and H∞ control co-design for networked control systems. Automatica, 49 (5). pp. 1326-1332. ISSN 0005-1098

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This paper studies an event-triggered communication scheme and an H1 control co-design method for networked control systems (NCSs) with communication delay and packet loss. First, an event-triggered communication scheme and a sampledstate-error dependent model for NCSs are presented. In this scheme and model, (a) the sensor takes samples in a periodic manner; (b) a triggering condition is applied to sampled signal to determine whether a signal is transmitted to the controller or not; and (c) the closed-loop system with a networked state feedback controller is modeled as a time-delay system. Secondly, by constructing a novel Lyapunov-Krasovskii functional, three theorems for the system asymptotical stability subject to imperfect communications are derived. Thirdly, a new algorithm is developed for the triggering condition and the controller feedback gain to meet the specified performance. This design algorithm is base on the two permissible limits on the signal transfer. These limits are: the maximum allowable communication delay bound and the maximum allowable number of successive packet losses, respectively. Finally, the proposed co-design method is demonstrated by two numerical examples.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: Tai Yang
Date Deposited: 16 Feb 2018 13:05
Last Modified: 16 Feb 2018 13:05
URI: http://sro.sussex.ac.uk/id/eprint/73623

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