RUNNING POSITION DETECTING METHOD OF YARN MOVING MACHINE

摘要

PURPOSE:To prevent the accumulation of mechanical errors and to make it possible to detect an accurate position, by performing double checkings of an error correcting function utilizing the confirmation of specified positions are an error correcting function based on comparison between the moved distance and an absolute position or a specified position. CONSTITUTION:A conveyer 1 is supported with a mounting stage comprising leg parts 111, which are provided on the ground at a specified interval. When a moving machine 4 is running, a metal piece detecter 41, which is attached to the machine 4, counts the leg parts 111. Thus, an absolute position is detected. The moved distance is detected by the rotating amount of a winding reel 42. Thus the self-propelled distance is always counted. With the leg parts 111, which are provided at the specified interval, being detected, the moved distance can be corrected. Every time marking points 12A-12C, which are provided at 1-3 points along the entire running path, are detected, the present position is compared with the position based on the moved distance obtained with a counter. When the values are approximately equal, the counter is reset. With said position as the fixed position, an abnormality warning is issued when a large error is found.