Emami, Kianoush, Nener, Brett, Sreeram, Victor, Trinh, Hieu and Fernando, Tyrone 2013, A fault detection technique for dynamical systems, in ICIIS 2013 : Proceedings of the 2013 IEEE 8th International Conference on Industrial and Information Systems, IEEE, Piscataway, N.J., pp. 1-6.
This paper shows how a functional observer can be utilized to detect faults in LTI MIMO systems. The fault detection technique is designed so that the functional observer based fault indicator asymptotically converges to a fault indicator that can be derived based on the nominal system. The asymptotic value of the proposed fault indicator is not dependent on the functional observer parameters; moreover, by choosing appropriate functional observer parameters the convergence rate of the fault indicator can be altered. Observability of the system is not a requirement for the design of the fault detection scheme.
Field of Research
090602 Control Systems, Robotics and Automation 010204 Dynamical Systems in Applications
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