| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a working vehicle that stabilizes the lift control of a working machine. <P>SOLUTION: A rice transplanter includes a planting section and a control section. The control section acquires the acceleration (specifically float angle acceleration) of the planting section, and performs the lift control of the planting section based on a value obtained by multiplying the acceleration by a second-order differential gain Kd2. A vibrating response when variation in top and bottom speed of the planting section is large can be suppressed by thus performing the lift control based on the acceleration of the planting section. Further, since the acceleration is generated by reactive force from the surface of a field, control operation corresponding to the hardness of the field can be achieved by performing control based on the acceleration. <P>COPYRIGHT: (C)2013,JPO&INPIT |
