Motor vehicles – Steering by driving – Combined
Patent
1994-12-20
1996-09-03
Hurley, Kevin T.
Motor vehicles
Steering by driving
Combined
36442405, 36442407, 901 1, 180167, B62D 1108
Patent
active
055515240
ABSTRACT:
A remote control apparatus of a construction machine in which steering control is performed by hydraulically controlling the steering clutches and the steering brakes, comprises remote operating unit for generating a first steering command for turning on or off the steering clutches of the construction machine and a second steering command for turning on or off the steering brakes of the construction machine, steering operation of the construction machine being controlled by the first and second steering commands; and a control unit provided in the construction machine, for performing a control in such a manner that when the first steering command becomes on, the steering clutches are released for a duration during which the first steering command is on, and when the second steering command becomes on in the duration during which the first steering command is on, hydraulic pressure of the steering brakes is gradually changed from a releasing side to a braking side with a predetermined gradient. With the control unit, operations can be smooth at the starting time and fine steering control can be realized.
REFERENCES:
patent: 5365737 (1994-11-01), Moriya et al.
patent: 5375686 (1994-12-01), Yamamoto
Kamikawa Nobuhisa
Matsushita Shigenori
Nakata Kazushi
Yamamoto Shigeru
Hurley Kevin T.
Kabushiki Kaisha Komatsu Seisakusho
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