Patent ID: 6041274
Filing Date: 2000-03-21
Classification: G01B,G05D

Abstract:
A position correcting apparatus for a working machine mounted on a mobile body for stopping said mobile body at a predetermined work position on a floor with a regular pattern formed thereon, and allowing said working machine to perform a predetermined operation according to teaching data, previously prepared and given to said working machine with said mobile body stopped at a reference stop position at said work position, comprising:image pickup means, provided on said mobile body side at a position near said floor, for picking up an image on said floor where said mobile body stops;reference picked image acquiring means for, at a time of giving said teaching data to said working machine, for acquiring a reference picked image including an image of said regular pattern and an image of a identification mark provided on said floor in vicinity of said predetermined work position, both acquired by said image pickup means with said mobile body stopped at said reference stop position of said work position;on-pause picked image acquiring means for acquiring an on-pause picked image including images of said regular pattern and said identification mark acquired by said image pickup means at a stop position of said mobile body when stopped; andteaching data correction means for comparing said regular pattern in said reference picked image, obtained by said reference picked image acquiring means, with said regular pattern in said on-pause picked image, obtained by said on-pause picked image acquiring means, based on a position of said identification mark, and correcting said teaching data of said working machine based on a result of the comparison.