Travel vehicle and travel control method for the travel vehicle

Details Travel vehicle and travel control method for the travel vehicle Travel vehicle and travel control method for the travel vehicle

2007-04-30

2009-10-13

Morris, Lesley D (Department: 3611)

Motor vehicles

Having four wheels driven

C180S212000

Reexamination Certificate

active

07600597

ABSTRACT:
The height of the center of gravity of a stacker crane is determined in consideration of a height position of an elevation frame and the inertial force is determined from the travel acceleration and deceleration. Wheel pressures applied to front and rear drive wheels are determined based on the height of the center of gravity, the inertial force, and horizontal distances from the center of gravity to the front and rear drive wheels. Torques are allocated in proportion to the determined wheel pressures.

REFERENCES:
patent: 2004/0061601 (2004-04-01), Freakes et al.
patent: 2004/0130208 (2004-07-01), Muller et al.
patent: 2004/0145238 (2004-07-01), Seto et al.
patent: 2008/0167777 (2008-07-01), Pothin
patent: 2001-105818 (2001-04-01), None
patent: 2001-240213 (2001-09-01), None
patent: 2005-041383 (2005-02-01), None
patent: 2005-41383 (2005-02-01), None
patent: 2006-79436 (2006-03-01), None
Notification of Reason(s) for Refusal for corresponding Japanese Application No. 2006-127257, with English translation.

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