Autonomous running control system for vehicle and the method the

Details Autonomous running control system for vehicle and the method the Autonomous running control system for vehicle and the method the

1996-10-24

1999-08-17

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Automatic route guidance vehicle

701213, 180168, G06F16500, A01B 6900

Patent

active

059387041

ABSTRACT:
An autonomous running control system capable of guiding a lawn-mowing work vehicle to a target point unmanned with high accuracy. Normally, the vehicle runs autonomously according to the D-GPS/dead reckoning navigation method. When the vehicle runs in an area where obstacles and ups-and-downs exists, the running control is switched to a magnetic guidance and the vehicle moves along the magnetic rail underground. When the vehicle comes into a normal operation again, the running control is shifted to the G-GPS/dead reckoning navigation method again. Further, when the vehicle comes near a target points, the running control is switched to the dead reckoning navigation method capable of guiding the vehicle accurately to the target point. When the vehicle arrives at the work area, it conducts a lawn mowing work according to the trace running control, finding the boundary between mowed and unmowed areas. Thus, the autonomous running control system can make an accurate guidance under any geographical conditions by means of selectively changing the running control method according to terrains and works.

REFERENCES:
patent: 4990841 (1991-02-01), Elder
patent: 5204814 (1993-04-01), Noonan et al.
patent: 5528888 (1996-06-01), Miyamoto et al.
patent: 5563786 (1996-10-01), Torii
patent: 5769180 (1998-06-01), Momose et al.

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