Robust Disturbance Attenuation with Stabilization for Uncertain Networked Control Systems |
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Authors: | Dan Huang Sing Kiong Nguang |
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Affiliation: | (1) The Department of Electrical and Computer Engineering, The University of Auckland, Private Bag 92019, Auckland, New Zealand |
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Abstract: | This paper investigates the problem of robust stabilization and attenuation for a class of uncertain networked control systems (NCSs) with random communication network-induced delays. Based on the Lyapunov–Razumikhin method, a controller is designed such that both robust stability and a prescribed disturbance attenuation performance for the closed-loop NCS are achieved, irrespective of the uncertainties and network-induced delays. The controller design technique is given in terms of the solvability of bilinear matrix inequalities. An iterative algorithm is proposed to change this non-convex problem into quasi-convex optimization problems, which can be solved effectively using available mathematical tools. The effectiveness of the proposed design methodology is verified by a numerical example. |
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Keywords: | Networked control systems Disturbance attenuation Time delay Linear matrix inequality |
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