Barrier movement control for mid-travel barrier movement start

Details Barrier movement control for mid-travel barrier movement start Barrier movement control for mid-travel barrier movement start

E - Fixed Constructions

05

F

E05F 5/04 (2006.01) H02H 7/085 (2006.01)

Patent

CA 2485598

Methods and apparatus for controlling an automatic barrier movement system, particularly for beginning movement (316) of a barrier which has been stopped (305) between an open and closed position of the barrier. The receipt of a barrier movement command will generally start movement of the barrier toward the open position, (317) however, when predetermined conditions (321,325) are met the barrier may be started in a direction determined by a preprogrammed algorithm (325). The predetermined conditions (321,325) may include that the barrier has been stopped for less than 5, minutes (321) and/or that the barrier was stopped in response to an obstruction during travel toward the open position. The preprogrammed algorithm (325) may be to move the barrier toward the closed position (327) or move the barrier in a direction determined from other sensed conditions.

La présente invention concerne des procédés et un appareil permettant de commander un système de mouvement de barrière automatique, plus particulièrement pour lancer le mouvement (316) d'une barrière qui a été arrêtée (305) entre sa position ouverte et sa position fermée. La réception d'une commande de mouvement de barrière a généralement pour effet de lancer l'ouverture de la barrière (317). Toutefois, lorsque des conditions définies (321, 325) sont vérifiées, la barrière peut être lancée dans un sens défini par un algorithme programmé (325). Les conditions définies (321, 325) peuvent être l'arrêt de la barrière pendant moins de 5 minutes (321) et/ou l'arrêt de la barrière en réaction à une obstruction pendant l'ouverture. L'algorithme programmé (325) peut prévoir de fermer la barrière (327) ou de manipuler la barrière dans un sens défini à partir d'autres conditions détectées.

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