Automatic door controller

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 15/14 (2006.01) G05B 19/23 (2006.01)

Patent

CA 2198688

An automatic door system includes a motor which drives a door to open and close. A CPU operating in accordance with a signal from an encoder operatively coupled to the motor detects the position of the door and prepares and applies a control signal based on the detected door position to a motor drive unit. The motor drive unit alternately drives and brakes the motor. The CPU calculates the speed of the door at a particular door position on the basis of the signal from the encoder and operates to make the door speed equal to the aimed speed for the current door position.

Système de manoeuvre automatique de portes, comprenant un moteur d'entraînement et une unité centrale asservie à un signal en provenance d'un codeur couplé au moteur, et conçue pour détecter la position de la porte et transmettre au dispositif d'entraînement une commande de manoeuvre en fonction de la position détectée. Le dispositif d'entraînement sert à mettre en marche et à arrêter le moteur; l'unité centrale, elle, calcule la vitesse de la porte en un point particulier de sa course, en fonction du signal provenant du codeur, puis règle celle-ci en fonction de la vitesse prévue correspondant à cette position.

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