Design of a networked control system with random transmission delay and uncertain process parameters

Authors:
Ye Yang;Yongji Wang;Shuang-Hua Yang
Affiliations:
Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, China;Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, China;Department of Computer Science, Loughborough University, Loughborough, UK
Venue:
International Journal of Systems Science - Networked Control Systems and Wireless Sensor Networks - Theories and Applications
Year:
2008

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Abstract

This article discusses the compensation of the transmission delay in a networked control system (NCS) with a state feedback, which possesses a randomly varying transmission delay and uncertain process parameters. The compensation is implemented by using a buffer in the actuator node and a state estimator in the controller node. A Linear Matrix Inequality-based sufficient condition for the stability of the NCS under the designed compensation is proposed. The simulation results illustrate the efficiency of the compensation method.