Patent ID: 6278905
Filing Date: 2001-08-21
Classification: G05B,Y02P

Abstract:
A method of teaching a plurality of automatic guided vehicles, each of which is provided with at least a robot arm for loading and unloading an article, the method comprising the steps of:teaching an original one of the automatic guided vehicles both about reference-positional data by use of a single unpractical reference station and about practical-positional data belonging to at least a practical station by use of the at least practical station; andboth supplying the automatic guided vehicles, except for the original one, with common data identical with the practical-positional data taught to the original one, and further teaching the automatic guided vehicles, except for the original one, about individual positional-compensating data by use of the single unpractical reference station so as to individually compensate the common data with the individual positional-compensating data for compensation to individual instrumental errors of the automatic guided vehicles,wherein the positional-compensating data are concerned with a difference of each of the at least remaining one from the original one in a relative-position between a hand of the robot arm and a reference point on the automatic guided vehicle to be referred for stopping the automatic guided vehicle at a predetermined stop position in front of the at least practical station.