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 Ans Safety for Technical Processes, Safeprocess'2006, 2006, p. 607-612
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6th IFAC Symposium on Fault Detection Supervision and Safety for Technical Processes, 2006