Microprocessor motor controller having discrete processing...

G - Physics – 05 – B

Patent

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318/14

G05B 19/414 (2006.01) B07C 1/00 (2006.01) B65H 7/00 (2006.01) B65H 29/60 (2006.01) B43M 5/04 (2006.01) G07B 17/00 (2006.01)

Patent

CA 2001122

The motor controller system controls the respective motors of a plurality of cooperative apparatus associated with an article processing system, the article processing system for performing a plurality of functions upon an article traversing the article processing system and comprises a motor driver board having a plurality of input channels and a plurality of respective output channels. The motors are in line communication with a respective one of the output channels of the motor driver board. A programmable microprocessor is in bus communication with the driver board's input channels. A plurality of sensors are respectively mounted to each of the apparatus and in bus communication with the programmable microprocessor, the sensors being strategically located on the apparatus to provide such information to the microprocessor as article size, position and velocity information and to provide apparatus operation information. The microprocessor is programmed such that a cycle is preformed at a desired frequency, each control cycle being divided into discrete time intervals during which respective time interval the microprocessor transmits motor control command information to the driver board for respective motors and during other of the time intervals the microprocessor reads information from the sensors. The microprocessor is further programmed to perform additional processing during at least one of said time intervals.

Appareil commandant les moteurs d'un certain nombre de dispositifs interdépendants associés à un système de traitement d'articles défilants. Comprend une carte d'attaque de moteur ayant un certain nombre de canaux d'entrée et de canaux de sortie. Chaque moteur communique par ligne avec un canal de sortie correspondant de la carte d'attaque de moteur. Un microprocesseur programmable communique par bus avec les canaux d'entrée de la carte d'attaque. Un certain nombre de capteurs sont montés respectivement sur chacun des dispositifs et communiquent par bus avec le microprocesseur programmable. Ils sont situés stratégiquement sur le dispositif afin de fournir au microprocesseur des informations, p. ex. taille des articles, position et vitesse ainsi que des données sur le fonctionnement du dispositif. Le microprocesseur est programmé pour l'exécution d'un cycle à une fréquence désirée, chaque cycle de commande étant divisé en intervalles pendant lesquels le microprocesseur transmet à la carte d'attaque de l'information de commande de chacun des moteurs, et en intervalles pendant lesquels le microprocesseur lit l'information provenant des capteurs. En outre, le microprocesseur est programmé pour exécuter d'autres traitements pendant au moins un des deux types d'intervalles.

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