WORK VEHICLE

Abstract: a controller for a work machine is configured to, upon a swing operation being performed, identify the starting position of the movement of the tip of the arm, and a collision avoidance position between that position and the side part of the vessel; and calculate a lower limit value that becomes larger as it gets closer to the collision avoidance position and becomes a collision avoidance height at the collision avoidance position, within the range from the starting position of the movement to the collision avoidance position. the controller, while the swinging body is in motion, is configured to invalidate the operation of the arm and control the movement of the boom and the swinging body so that the height of the tip of the arm does not fall below the lower limit value. the controller is configured to enable the operation of the arm when the tip of the arm exceeds the collision avoidance position. the controller is configured to control the movement of at least one of the boom and the arm in response to the operation of the arm so that the height of the tip of the arm does not fall below the collision avoidance height.

Inventor(s): Ryu NARIKAWA, Teppei SAITOH, Tadashi KOTANI, Hideaki ITO, Kei SATO, Hidefumi ISHIMOTO

CPC Classification: E02F3/439 (DREDGING; SOIL-SHIFTING (winning peat ))

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