New study of controller design for networked control systems

Yang, T C, Peng, C, Yue, D and Fei, M R (2010) New study of controller design for networked control systems. IET Control Theory and Applications, 4 (7). pp. 1109-1121. ISSN 1751-8644

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Abstract

Recently there is a great research interest in networked control systems (NCSs). The intended contributions of this study, in the order of they are presented, are (a) to point out a major limitation of current studies on NCSs: many theoretical results - although important and have some significant technical merit cannot be applied to distributed control systems and therefore have little application value; (b) in contrast to that simple numerical examples - often linear systems - are widely used to demonstrate some theoretical results. The authors study the NCS controller design for a non-linear unstable system, which has been historically used for the study of large-scale system control; (c) application of a new design approach: it is suggested that the NCS controller design problem, where data packet time delay, loss or out-of-order need to be addressed, is equivalent to a design problem where the system is point-to-point connected but has delayed and unreliable measurement subsystems; (d) a theorem for the asymptotic stability of a class of non-linear time-delay systems and (e) the stability theorem and the proposed new design approach are applied to the controller design for a model of a network-connected non-linear unstable system stated in (b). Extensive simulation results presented here have demonstrated the effectiveness of the proposed new design approach and the stability theorem.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: Tai Yang
Date Deposited: 06 Feb 2012 20:54
Last Modified: 02 Apr 2012 14:31
URI: http://sro.sussex.ac.uk/id/eprint/28664
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