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Monitoring of control loop performance by CUSUM algorithms for local linear hypotheses

par Hanus, Raymond ;Parloir, Cédric ;Kinnaert, Michel
Référence International journal of control, 79, 1, page (42-52)
Publication Publié, 2006

Article révisé par les pairs

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Résumé :

Monitoring the performance of a closed-loop by detecting whether the mean and the standard deviation s of the control error (or the control signal) belong to a fixed triangular region in the (, s) -plane is shown to be a sensible approach. This triangular region is approximated by a set of circles and for each of them, a CUSUM algorithm for local linear hypotheses is performed. A systematic approach to adjust the parameters of the monitoring algorithm is described.