标题：Fault detection filter design for LTI system with time delays
作者：Zhong, MY; Ding, SX; Lam, J; Zhang, CH
作者机构：[Zhong, MY; Ding, SX; Lam, J; Zhang, CH]Shandong Univ, Control Sci & Engn Sch, Jinan 250061, Peoples R China.
会议名称：42nd IEEE Conference on Decision and Control
会议日期：DEC 09-12, 2003
来源：42ND IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-6, PROCEEDINGS
关键词：Eigenstructure assignment; fault detection; filter; H-infinity;; optimization; time delay
摘要：This paper deals with the fault detection filter design problem for linear time invariant time-delay systems with unknown input. The core of our study is to a) take the behavior of delayed state and measurement into consideration when the observer-based fault detection filter is constructed; b) solve the formulated fault detection filter design problem by combining of using the left eigenstructure assignment approach and H-infinity optimization technique. Through a suitable choice of the filter gain matrices and residual weighting matrix, the residual can be completely decoupled from the delay-free unknown input, while the influence of the delayed unknown input on residual is minimized in the sense of H-infinity norm. Numerical simulation is used to illustrate the efficiency of the proposed method.