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Tracking Performance Limitations of MIMO Networked Control Systems with Multiple Communication Constraints by Chen, Chao-Yang; Gui, Weihua; Wu, Lianghong; Liu, Zhaohua; Yan, Huaicheng is a scholarly article available to read on EtoBox.

What is Tracking Performance Limitations of MIMO Networked Control Systems with Multiple Communication Constraints about?

In this paper, the tracking performance limitation of networked control systems (NCSs) is studied. The NCSs is considered as continuous-time linear multi-input multi-output (MIMO) systems with random reference noises. The controlled plants include unstable poles and non-minimum phase (NMP) zeros. The output feedback path is affected by multiple communication constraints. We focus on some basic communication constraints, including additive white noise (AWN), quantization noise, bandwidth, as well as encoder-decoder. The system performance is evaluated with the tracking error energy, and used a two-degree of freedom (2DOF) controller. The explicit representation of the tracking performance is given in this paper. The results indicate the tracking performance limitations rely to internal characteristics of the plant (unstable poles and NMP zeros), reference noises (the reference noise power distribution (RNPD) and its directions) and the characteristics of communication constraints. Moreover, the tracking performance limitations are also affected by the angles between the each transform NMP zero direction and RNPD direction, and these angles between each transform unstable poles direc

Author

Chen, Chao-Yang; Gui, Weihua; Wu, Lianghong; Liu, Zhaohua; Yan, Huaicheng

Published

2019

Language

EN