An LMI Approach to Mixed H_/H_∞ Robust Fault Detection Observer Design

Abstract:

This paper investigates the problem of the robust fault detection (RFD) observer design for linear uncertain systems with the aid of the H_ index and the H∞ norm, which are used to describe the problem of this observer design as optimization problems. Conditions for the existence of such a fault detection observer are given in terms of matrix inequalities. RFD problem with structured uncertainties in the system matrices is also considered. The solution is obtained by an iterative linear matrix inequality (ILMI) algorithm. Numerical example is employed to demonstrate the effectiveness of the proposed methods.

• Periodical: Advanced Materials Research (Volumes 546-547)
• Pages: 874-879
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.546-547.874
• Online since: July 2012
• Authors: Ying Chun Zhang, Li Na Wu, Zheng Fang Wang, Qing Xian Jia
• Keywords: Fault Detection, Linear Matrix Inequality (LMI), Observer, Robustness, Sensitivity

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