| 摘要 |
PROBLEM TO BE SOLVED: To provide an engine output control structure capable of stabilizing an attitude of a work vehicle, and adjustable to a desired travel speed. SOLUTION: When an engine output operation member 703 is operated to a second operation position from a first operation position by a control device 700, a first rotational frequency R1 being an output rotational frequency of an engine 10 corresponding to the first operation position, a second rotational frequency R2 being an output rotational frequency of the engine 10 corresponding to the second operation position, and a predetermined filter constant T are input into a prestored control function F, and a target engine rotational frequency Ro with respect to a time is calculated. The operation of a governor actuator 702 is controlled on the basis of the calculated target engine rotational frequency Ro by the control device 700. COPYRIGHT: (C)2009,JPO&INPIT
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