Automated positioning/drawing system and method of use

Abstract From the Canadian patent

Abstract of the Disclosure, A position sensing system and method of use in conjunction with a rail car mounted plow burying a cable adjacent the track. The plow is arranged for cutting a kerf in the ground and or inserting the cable therein as the car moves down the track. The plow is mounted on an articulated arm including plural sections which are movable with respect to one another to position the plow at any desired location adjacent the track to cut the kerf and place the cable therein. The position sensing system includes plural transducers including transmitter and receiver sections located with respect to the arm sections to provide signals indicative of the arm section positions …