title: Optimal modified tracking performance for MIMO networked control systems with communication constraints.
abstract: This paper investigates the optimal modified tracking performance of multi-input multi-output (MIMO) networked control systems (NCSs) with packet dropouts and bandwidth constraints. Some explicit expressions are obtained by using co-prime factorization and the spectral decomposition technique. The obtained results show that the optimal modified tracking performance is related to the intrinsic properties of a given plant such as non-minimum phase (NMP) zeros, unstable poles, and their directions. Furthermore, the modified factor, packet dropouts probability and bandwidth also impact the optimal modified tracking performance of the NCSs. The optimal modified tracking performance with channel input power constraint is obtained by searching through all stabilizing two-parameter compensator. Finally, some typical examples are given to illustrate the effectiveness of the theoretical results.
authors.affiliation: College of Mechatronics and Control Engineering, Hubei Normal University, Huangshi 435002, China.
authors.forename: Jie
authors.initials: J
authors.lastname: Wu
authors.affiliation: College of Mechatronics and Control Engineering, Hubei Normal University, Huangshi 435002, China.
authors.forename: Zhu-Jun
authors.initials: ZJ
authors.lastname: Zhou
authors.affiliation: College of Mechatronics and Control Engineering, Hubei Normal University, Huangshi 435002, China. Electronic address: xisheng519@126.com.
authors.forename: Xi-Sheng
authors.initials: XS
authors.lastname: Zhan
authors.affiliation: Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China.
authors.forename: Huai-Cheng
authors.initials: HC
authors.lastname: Yan
authors.affiliation: School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China.
authors.forename: Ming-Feng
authors.initials: MF
authors.lastname: Ge
keywords: Bandwidth; Modified factor; NMP zeros; Networked control systems; Packet dropouts; Unstable poles