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Design of H∞ Predictive Controller for Networked Control System

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DOI: 10.23977/jemm.2022.070106 | Downloads: 22 | Views: 512

Author(s)

Chen Wenying 1, Li Jingyu 1

Affiliation(s)

1 Department of Automation, North China Electric Power University, Baoding, Hebei, China

Corresponding Author

Li Jingyu

ABSTRACT

For a class of network control systems with both data packet dropout and network communication delay problems, a new robust model predictive control method with compensation function is proposed. Considering that the system has interference problems, in the two cases of long-delay and short-delay, the packet loss problem is established as a Bernoulli sequence, and then a discrete NCS model based on the state observer is obtained. The state observer in the model can deal with the data packet dropout compensate and predict the state of the long-delay problem. Through linear matrix inequality and Lyapunov method, the controller is designed to obtain sufficient conditions for the closed-loop system to be exponentially stable and meet the specified performance indicators. Finally, compared with the method without any compensation measures, the method in this paper can get better control effect.

KEYWORDS

Networked control system; state observer; compensate; H∞; Bernoulli sequence

CITE THIS PAPER

Chen Wenying, Li Jingyu, Design of H∞ Predictive Controller for Networked Control System. Journal of Engineering Mechanics and Machinery (2022) Vol. 7: 38-48. DOI: http://dx.doi.org/10.23977/jemm.2022.070106.

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