Work vehicle and method for controlling work vehicle
AssigneeKomatsu Ltd.
InventorsYuita TAKENAKA, Masanobu NAKABAYASHI, Masanori IKARI
Life of this patent
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Abstract
An articulated work vehicle with linked front and rear frames includes a joystick lever, a force imparting component, a speed sensor, and a controller. The joystick lever is configured to change a steering angle of the front frame with respect to the rear frame by operation by an operator. The force imparting component is configured to impart an assist force or a counterforce to operation of the joystick lever by the operator. The speed sensor is configured to sense speed of the work vehicle. The controller is configured to control the force imparting component so as to impart the assist force or the counterforce according to the speed sensed by the speed sensor.
Claims9
A work vehicle, the work vehicle being articulated with a front frame and a rear frame linked to the front frame, said work vehicle comprising:
- a joystick lever configured to change a steering angle of the front frame with respect to the rear frame by operation by an operator;
- a force imparting component configured to impart an assist force or a counterforce to operation of the joystick lever by the operator;
- a speed sensor configured to sense speed of the work vehicle;
- and
- a controller configured to control the force imparting component so as to impart the assist force or the counterforce according to the speed sensed by the speed sensor.
A method for controlling an articulated work vehicle with a front frame and a rear frame linked to the front frame, the method comprising:
- sensing speed of the work vehicle;
- and
- imparting an assist force or a counterforce according to the sensed speed to an operation of a joystick lever that changes a steering angle of the front frame with respect to the rear frame.
Dependencies are inferred from the claim text.