Earth working – Automatic power control – Motive power control
Patent
1994-06-07
1996-05-14
Arola, Dave W.
Earth working
Automatic power control
Motive power control
172 9, 172 45, 36442407, A01B 6700
Patent
active
055159273
ABSTRACT:
A control unit for controlling load on a bulldozer in the case of manual intervention, comprising: an actual tractive force detector for detecting the actual tractive force of a vehicle body; a target tractive force setting device for setting a target tractive force for an automatic blade control mode in dozing operation according to the actual tractive force detected by the actual tractive force detector; and a blade controller for controlling a blade to be lifted or lowered such that, if there is a difference between the target tractive force set by the target tractive force setting device when switching from the automatic blade control mode to a manual operation mode takes place in dozing operation and the actual tractive force detected by the actual tractive force detector when return from the manual operation mode to the automatic blade control mode takes place, the actual tractive force gradually comes closer to the target tractive force set when switching to the manual operation mode takes place.
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Matsushita Shigenori
Nakata Kazushi
Nishita Satoru
Yamamoto Shigeru
Zhang Shu H.
Arola Dave W.
Batson Victor
Kabushiki Kaisha Komatsu Seisakusho
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