A time-domainLPV H-/H∞ fault detection filter

In this paper, a time-domain linear parameter-varying H-/H-infinity residual generator or fault detection filter is proposed, which allows a trade-off to be established, between sensitivity and robustness of the residual against the fault and disturbance, respectively. Also, the proposed fault detection filter fits well with the time-domain property of the linear parameter-varying system. A special case when the performance of the residual generator approximates one of the fault estimators is also discussed. A turboshaft engine example is used to demonstrate the effectiveness of the proposed method. (C) 2017, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.