Observer-based reliable control for Lipschitz nonlinear networked control systems with quadratic protocol

Ahmadi, Ali-Akbar and Salmasi, Farzad R. (2015) Observer-based reliable control for Lipschitz nonlinear networked control systems with quadratic protocol. International Journal of Control, Automation, and Systems, 13 (3). pp. 753-763. ISSN 1598-6446

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Abstract

In this paper, observer-based reliable control problem for nonlinear networked control systems (NCSs) with quadratic protocol (QP) in presence of actuator fault is studied. Two sensor nodes are employed for system output measurement and transmission to remote observer-based reliable controller (RORC) based on QP. In spite of the majority of the existing results, both measurement and actuation channels are taken into account for data transmission of sensor-to-RORC and RORC-to actuator, respectively. A RORC is developed to estimate the system states and simultaneously generate the control input at its side. The closed-loop system is modeled by a hybrid system with interval time-varying delays in continuous dynamics and in the reset conditions. By using Lyapunov-Krasovskii functional method and some matrix manipulations, designing of RORC and the QP parameters are formulated in linear matrix inequalities (LMIs) framework with equality constraint. Numerical simulations are presented to show the effectiveness and applicability of the proposed approach.

Item Type: Article
Uncontrolled Keywords: Actuator fault, networked control system (NCS), network-induced delay, packet dropout, quadratic protocol (QP), remote observer-based reliable controller (RORC)
Subjects: Construction and engineering
Depositing User: Farzad Rajaei Salmasi
Date Deposited: 17 Jun 2016 09:24
Last Modified: 13 Oct 2017 15:42
URI: http://repository.uwl.ac.uk/id/eprint/2575

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