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WORKING VEHICLE, VEHICLE SPEED CONTROL METHOD OF WORKING VEHICLE, AND VEHICLE SPEED CONTROLLER OF WORKING VEHICLE
WORKING VEHICLE, VEHICLE SPEED CONTROL METHOD OF WORKING VEHICLE, AND VEHICLE SPEED CONTROLLER OF WORKING VEHICLE
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机译:工作车辆,工作车辆的车辆速度控制方法以及工作车辆的车辆速度控制器
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摘要
A working vehicle of the present invention achieves more stabilized constant speed traveling. A vehicle speed control section 20A of a controller 2 calculates a target drive force required for constant speed traveling on the basis of a preset standard traveling resistance (S1). And, on the basis of an output rotational speed (S2) and the target drive force (S1) of a torque converter 14, the vehicle speed control section 20A determines a target input rotational speed (S3) to be inputted to the torque converter 14, and sets a clutch pressure (S5) so as to eliminate a difference between the target input rotational speed and an actual input rotational speed (S4). A standard traveling resistance correction section 20B corrects a standard traveling resistance according to state of a road surface, long term change of components, and so on. Due to this, it is possible to perform stabilized constant speed traveling.
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