Robust Controller Design for Networked Control Systems Based on State Estimation

Fengxia None Xu, Qunhong None Tian, Junke None Wang, Mengkun None Li

Abstract


For the networked control systems with uncertain time delay in both sensor-to-controller and controller-to-actuator channels, and data dropouts in sensor-to-controller channel, a new model of networked control systems based on state estimation is proposed using single-exponential smoothing method to predict the state variables. After adopting Lyapunov stability theory, the asymptotic stability for the system has been proved, and the Robust Controller has been designed by using linear matrix inequality. In the simulation experiment, comparing the state responses under different situations of diverse time delay and data dropouts, the results show that the method is effective.


Keywords


single-exponential smoothing method; state estimation; Lyapunov function; linear matrix inequality; robust controller

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DOI: http://doi.org/10.11591/ijeecs.v12.i11.pp7705-7715

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Indonesian Journal of Electrical Engineering and Computer Science (IJEECS)
p-ISSN: 2502-4752, e-ISSN: 2502-4760
This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).

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