An active fault diagnosis method for parametric or multiplicative faults is proposed. The method periodically adds a term to the controller that for a short period of time renders the system unstable if a fault has occurred, which facilitates rapid fault detection. An illustrative example is given.
Proceedings of the 6th Ifac Symposium on Fault Detection, Supervision and Safety for Technical Processes, 2006
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IFAC Symposium on Fault Detection, Supervision and Safety for Technical Processes, 2006