Computer-controlled conveying system and conveying method

Details Computer-controlled conveying system and conveying method Computer-controlled conveying system and conveying method

B - Operations, Transporting

65

G

B65G 43/10 (2006.01)

Patent

CA 2748803

In a computer-controlled conveying system (3), virtual markers (K1-K10) are generated and are stored in association with a conveying element (31, 32, 33, 34). The virtual markers (K1-K10) each comprise a marker position which is based on the current position of the conveying element (31, 32, 33, 34) at the time of generation. A search is carried out for stored virtual markers (K1, K5, K6, K9) which have a relative position with respect to the associated conveying element (31, 32, 33, 34) that lies within a defined sector (T1, T2, T3) at the search time. Actuators of the conveying system (3) are driven depending on whether virtual markers (K1, K5, K6, K9) were found in the defined sector (T1, T2, T3) during searching. The virtual markers (K1-K10) may be applied to the conveying elements (31, 32, 33, 34) with dynamically changing distances, for example, and make it possible to drive actuators in a flexible manner independently of a fixedly defined clock rate.

L'invention concerne un système de transport commandé par ordinateur (3), des marquages virtuels (K1-K10) étant générés et enregistrés en association avec un élément de transport (31, 32, 33, 34). Les marquages virtuels (K1-K10) comprennent respectivement une position de marquage, qui est basée sur la position actuelle de l'élément de transport (31, 32, 33, 34) au moment de la génération. On procède à la recherche de marquages virtuels enregistrés (K1, K5, K6, K9) qui, au moment de la recherche, ont une position relative, par rapport à l'élément de transport (31, 32, 33, 34), qui est située à l'intérieur d'une zone de trajet définie (T1, T2, T3). Des actionneurs du système de transport (3) sont commandés selon que les marquages virtuels (K1, K5, K6, K9) se trouvent dans la zone de trajet définie (T1, T2, T3), lors de la recherche. Les marquages virtuels (K1-K10) peuvent être par exemple appliqués sur les éléments de transport (31, 32, 33, 34) suivant des intervalles à variation dynamique et permettent une commande souple des actionneurs indépendamment d'une cadence définie de manière fixe.

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