Design of H∞ Predictive Controller for Networked Control System
DOI: 10.23977/jemm.2022.070106 | Downloads: 22 | Views: 512
Chen Wenying 1, Li Jingyu 1
1 Department of Automation, North China Electric Power University, Baoding, Hebei, China
Corresponding AuthorLi Jingyu
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.
KEYWORDSNetworked 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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