Position control apparatus and position control method for cargo carrying apparatus in industrial vehicle

A position control apparatus for a cargo carrying apparatus on an industrial vehicle, comprising:

• a camera for picking up an image of a mark provided on a cargo handling target to acquire data of the image;
• image processing means for processing said image data and detecting a position of said mark;
• target position determining means for determining a target position to which said cargo carrying apparatus is to be shifted based on said detected position of said mark;
• deviation amount calculating means for computing a deviation amount of a current position of said cargo carrying apparatus with respect to said target position based on a result of processing said image data by said image processing means;
• moving means for moving said cargo carrying apparatus;
• and
• control means for executing a positioning control to position said cargo carrying apparatus with respect to said target position and causing said moving means to move said cargo carrying apparatus in such a way as to eliminate said deviation amount.