An iterative LMI approach to H_∞ networked control with random communication delays
by Fuwen Yang, Wu Wang, Yongmin Li
International Journal of Systems, Control and Communications (IJSCC), Vol. 1, No. 3, 2009

Abstract: In this paper, an iterative LMI approach is proposed to deal with the control problem for Networked Control Systems (NCSs) with random communication delays. Both random measurement and control delays are simultaneously considered due to limited communication capacity. The NCSs with both measurement and control delays are modelled as a stochastic parameter system which contains two independent Bernoulli distributed white sequence. A dynamic output controller is designed to exponentially stabilise the networked system in the sense of mean square, and also achieve the prescribed H_∞ disturbance attenuation level. An iterative algorithm is developed to compute the optimal H_∞ disturbance attenuation and the controller parameters. An illustrative example is provided to show the applicability of the proposed method.

Online publication date: Thu, 09-Apr-2009

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