A fault detection scheme for time-delay systems using minimum-order functional observers
Tran, H. M. and Trinh, H. 2015, A fault detection scheme for time-delay systems using minimum-order functional observers, in ICINCO 2015 : Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics, SCITEPRESS (Science and Technology Publications), Setúbal, Portugal, pp. 64-71, doi: 10.5220/0005506300640071.
This paper presents a method for designing residual generators using minimum-order functional observers to detect actuator and component faults in time-delay systems. Existence conditions of the residual generators and functional observers are first derived, and then based on a parametric approach to the solution of a generalized Sylvester matrix equation, we develop systematic procedures for designing minimum-order functional observers to detect faults in the system. The advantages of having minimum-order observers are obvious from the economical and practical points of view as cost saving and simplicity can be achieved, particularly when dealing with high-order complex systems. Extensive numerical examples are given to illustrate the proposed fault detection scheme. In all the numerical examples, we design minimum-order residual generators and functional observers to detect faults in the system.
010203 Calculus of Variations, Systems Theory and Control Theory 010204 Dynamical Systems in Applications 090602 Control Systems, Robotics and Automation
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