State Feedback Control Against Sensor Faults for Lipschitz Nonlinear Systems via New Sliding Mode Observer Techniques

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Liu, Ming, Zhang, Lixian, Shi, Peng and Reza Karimi, Hamid (2011) State Feedback Control Against Sensor Faults for Lipschitz Nonlinear Systems via New Sliding Mode Observer Techniques. In: 2011 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC 2011). IEEE, United States, pp. 7635-7640.


This paper investigates the problem of simultaneous state and fault estimation and observer-based fault tolerant controller design for Lipschitz nonlinear systems with sensor failure. A new estimation technique is presented in this paper to deal with this design problem. In the proposed approaches, the original system is first augmented by a descriptor model transformation, then a new Proportional and Derivative sliding mode observer technique is developed to obtain accurate estimations of both system states and sensor faults. The designing observer is generalized from the PD observer in [3], but is not a trivial extension. Based on the state estimates, a observer-based control strategy is developed to stabilize the resulting closed-loop system. Finally, a numerical example is presented to illustrate the effectiveness and applicability of the proposed technique.

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Proceedings of a meeting held 12-15 December 2011, Orlando, Florida, USA

Item type Book Section
DOI 10.1109/CDC.2011.6161071
Official URL;...
ISBN 9781612848006 (print) 9781612847993 (online)
Subjects Historical > Faculty/School/Research Centre/Department > Institute for Logistics and Supply Chain Management (ILSCM)
Historical > FOR Classification > 0802 Computation Theory and Mathematics
Historical > SEO Classification > 970108 Expanding Knowledge in the Information and Computing Sciences
Keywords ResPubID25056, PD control, closed loop systems, fault diagnosis, nonlinear control systems, observers, sensors, stability, state feedback, variable structure systems
Citations in Scopus 12 - View on Scopus
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