Adaptive control system input limiting

G - Physics – 05 – D

Patent

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G05D 1/08 (2006.01) G05B 5/01 (2006.01) G05D 1/00 (2006.01)

Patent

CA 2113648

A control system, having an input command signal and driving a prime mover, is provided with variable magnitude and/ or rate input signal limiting that is adjusted by maps (68, 70, 72, 74) which set the limits for a variable magnitude limiter (14) and a variable rate limiter (22) as a function of the prime mover rate. The limiting is adjusted dynamically as the prime mover rate changes. When the prime mover enters an undesirable operating condition, the maps only limit the command signal in the direction of such condition. The adjustable limiting is enabled or disabled based on the position, rate, and/or acceleration of the prime mover.

Cette invention concerne un système de commande comprenant un signal de commande d'entrée et entraînant un appareil moteur, pourvu d'un dispositif de limitation variable des signaux d'entrée en ampleur et/ou en allure, qui est réglé par des diagrammes (68, 70, 72, 74) qui fixent les limites pour un limiteur variable d'ampleur (14) et un limiteur variable d'allure (22), en fonction du régime de l'appareil moteur. La limitation se règle de manière dynamique à mesure que le régime de l'appareil moteur varie. Lorsque l'appareil moteur entre dans un état de fonctionnement indésirable, les diagrammes ne limitent le signal de commande que dans le sens de cet état. La limitation réglable est validée ou invalidée en fonction de la position, du régime, et/ou de l'accélération de l'appareil moteur.

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