Method for operating a control system and an apparatus for...

G - Physics – 05 – B

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G05B 13/02 (2006.01) F01D 17/24 (2006.01)

Patent

CA 2336667

A control system (36), comprising a controller (42) that acts upon a controlled system (44) according to a manipulated variable (Y) and a number of controller parameters (Ri), guaranteeing a predetermined control quality and a predetermined control response during all operational states of said controlled system (44). When the controller (42) is operated, the response characteristic of the controlled system (44) is determined by comparing the wavelet transformation of the time response of the manipulated variable (Y) with a wavelet transformation of the time response of a controlled variable (X) of the controller (42) of the controlled system (44) in a predetermined time slot, whereby a moment in time associated with each wavelet transformation is detected and the respective controller parameter (Ri) is adjusted according to the response characteristic thus determined.

L'invention concerne un système de régulation (36) comportant un régulateur (42) qui agit sur un système asservi (44) en fonction d'une variable réglante (Y) et d'un nombre de paramètres du régulateur (R¿i?), dont le but est de garantir un comportement prédéterminable en régulation dans tous les états de fonctionnement du système asservi (44). A cet effet, lorsque le régulateur (42) est en marche, le comportement en transmission du système asservi (44) est déterminé par comparaison entre une transformation par ondelettes du comportement temporel de la variable réglante (Y) et une transformation par ondelettes du comportement temporel d'une variable réglante (X) du régulateur (42) du système asservi (44), dans une fenêtre temporelle prédéterminable. Un moment associé à chaque transformation par ondelettes est détecté et tel ou tel paramètre du régulateur (R¿i?) est ajusté, en fonction du comportement en transmission déterminé.

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