Step Output Tracking Controller Design for Networked Control Systems
Zhong-Hua Pang*1,*2, Guo-Ping Liu*3,*4, and Donghua Zhou*1
*1Department of Automation, Tsinghua University, Beijing 100084, China
*2School of Automation Engineering, Qingdao Technological University, Qingdao 266033, China
*3School of Engineering, University of South Wales, Pontypridd CF37 1DL, United Kingdom
*4CTGT Center, Harbin Institute of Technology, Harbin 150001, China
This paper is concerned with the step output tracking controller design problem for networked discretetime linear systems. The communication constraints such as network-induced delay, packet disorder, and packet dropout are considered, which are treated as the round-trip time (RTT) delay with an upper bound. An event-driven networked predictive control scheme is proposed to actively compensate for the RTT delay, which avoids the requirement of synchronization between the controller side and the plant side. The stability of the closed-loop system and the design procedure of the observer-based controller are discussed. A numerical example is employed to illustrate the effectiveness of the proposed methods.
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