G - Physics – 05 – B
Patent
G - Physics
05
B
G05B 13/02 (2006.01) G06N 5/04 (2006.01) G06N 7/02 (2006.01) G06N 7/04 (2006.01)
Patent
CA 2062742
In a fuzzy control apparatus in which a rule is capable of being changed during operation, a fuzzy reasoning output which prevails immediately prior to a rule change is stored when a rule change is made, and a fuzzy-control output is generated by combining, after the rule change, the stored fuzzy reasoning output which prevailed immediately prior to the rule change and a fuzzy reasoning output which prevails following the rule change. The ratio of the combination is altered in such a manner that, with the passage of time from the moment at which the rule change is made, there is a gradual decrease in a percentage of the fuzzy reasoning output which prevailed immediately prior to the rule change, and a gradual increase in a percentage of the fuzzy reasoning output which prevails following the rule change, in the fuzzy-control output. Upon passage of a predetermined time from the moment at which the rule change is made, the fuzzy reasoning output which prevails following the rule change is outputted as the fuzzy-control output. As a result, a sudden change in the output at the time of a rule change is prevented so that a smooth changeover can be carried out.
Appareil de commande floue capable de changer la commande au cours du fonctionnement, dans lequel un échantillonneur-bloqueur (13) stocke le signal de sortie d'inférence floue d'un circuit de commande floue (10) immédiatement avant le changement de commande et dans lequel un circuit de commutation de sortie (20) synthétise un signal de sortie de commande floue à partir du signal de sortie d'inférence floue stocké immédiatement avant le changement de commande et du signal de sortie d'inférence floue après le changement de commande, de façon que le rapport entre le signal de sortie d'inférence floue précédant immédiatement le changement de commande et le signal de sortie de commande floue puisse diminuer avec le temps à compter du changement de commande, en d'autres termes, le rapport entre le signal de sortie d'inférence floue après le changement de commande et le signal de sortie de commande floue peut augmenter, et produit seulement le signal de sortie d'inférence floue après le changement de commande en tant que signal de sortie de commande floue après un intervalle prédéterminé à compter du changement de commande. Cela permet d'éviter le changement brutal du signal de sortie au moment du changement de commande, de sorte que la commutation se fait en douceur.
Hishidai Hajime
Matsunaga Nobutomo
Detelle Relay Kg Limited Liability Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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