Straight-ahead traveling control system for a bulldozer

Details Straight-ahead traveling control system for a bulldozer Straight-ahead traveling control system for a bulldozer

1994-06-23

1996-01-30

Reese, Randolph A.

Earth working

Automatic power control

Land leveller type

172 7, 37266, 36442407, A01B 63111, E02F 376

Patent

active

054874289

ABSTRACT:
A straight-ahead traveling control system for a bulldozer comprising: (a) a driving mode setting device which can set an automatic blade control mode for dozing operation; (b) a yaw angle detector for detecting the yaw angle of a vehicle body in relation to a target traveling direction for the vehicle body; (c) a blade tilt angle detector for detecting the tilt angle of the blade tilting laterally in relation to the ground; and (d) a blade controller for controlling tilting of the blade based on a first blade tilting amount used for driving the vehicle body straight ahead and a second blade tilting amount used for forming a laterally horizontal earth surface after digging by the blade, the first blade tilting amount being obtained from the yaw angle of the vehicle body detected by the yaw angle detector and the second blade tilting amount being obtained from the tilt angle of the blade detected by the blade tilt angle detector, when the driving mode setting device has set the automatic blade control mode.

REFERENCES:
patent: 3572444 (1971-03-01), Scholl
patent: 3899028 (1975-08-01), Morris et al.
patent: 3974699 (1976-08-01), Morris et al.
patent: 4282933 (1981-08-01), Suganami et al.
patent: 4537259 (1985-08-01), Funabashi et al.
patent: 4630685 (1986-12-01), Huck, Jr. et al.
patent: 4934463 (1990-06-01), Ishida et al.

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