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Fault Detection and Isolation of Distributed Time-Delay Systems

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2 Author(s)
Nader Meskin ; Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, QC, Canada ; Khashayar Khorasani

This paper investigates the development of fault detection and isolation (FDI) filters for distributed time-delay systems. The notion of a finite unobservability subspace is introduced for distributed time-delay systems and an algorithm for its construction is presented. A bank of residual generators is designed based on our developed geometric framework so that each residual is affected by one fault and is decoupled from the others while the H infin norm of the transfer function between the disturbance and the residual signals are kept at less than a prespecified value. Simulation results for a combustion system in a rocket motor chamber demonstrate the effectiveness and capabilities of our proposed FDI algorithm.

Published in:

IEEE Transactions on Automatic Control  (Volume:54 ,  Issue: 11 )