An Optimal Tracking Performance of MIMO NCS with Quantization and Bandwidth Constraints

This paper presents an optimal tracking performance of multiple‐input multiple‐output (MIMO) networked control systems (NCSs) with quantization and bandwidth constraints. In this study, we simultaneously consider the encoding‐decoding, quantization and bandwidth of communication channel. The optimal...

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Bibliographic Details
Published in:Asian journal of control 2019-05, Vol.21 (3), p.1377-1388
Main Authors: Cheng, Ling‐Li, Zhan, Xi‐Sheng, Wu, Jie, Han, Tao
Format: Article
Language:English
Subjects:
Bandwidths
Channel bandwidth
Chief executive officers
Coding
Communication channels
Decoding
Measurement
MIMO (control systems)
networked control systems
nonminimum phase zeros
optimal tracking performance
signal quantization
Tracking
unstable poles
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Summary:This paper presents an optimal tracking performance of multiple‐input multiple‐output (MIMO) networked control systems (NCSs) with quantization and bandwidth constraints. In this study, we simultaneously consider the encoding‐decoding, quantization and bandwidth of communication channel. The optimal tracking performance of NCSs is obtained by spectral factorization technique and partial fraction. The obtained results demonstrate that the optimal tracking performance is influenced by the nonminimum phase zeros and unstable poles as well as their directions for a given plant. In addition, it is shown that characteristics of reference signal, encoding‐decoding, quantization, and bandwidth of communication channel are also closely related to tracking performance. Finally, the efficiency of proposed tracking performance is verified by typical examples.
ISSN:1561-8625
1934-6093
DOI:10.1002/asjc.1818