Offsetting the course of a laser guided vehicle

Details Offsetting the course of a laser guided vehicle Offsetting the course of a laser guided vehicle

1989-09-28

1991-06-04

Mitchell, David M.

Motor vehicles

With means for controlling operation responsive to...

Radiation, force, or waves reflected from external object or...

250221, 318587, 356141, 36442402, B62D 128

Patent

active

050206206

ABSTRACT:
This is an improved apparatus and method for guiding an automated guided vehicle, particularly a floor maintenance machine. This invention discloses electronic means which permit guiding the vehicle toward a point that is laterally offset a desired distance from a retroreflective target, generally in front of the machine, by reference to that target. A series of targets may be sequentially referenced in this manner. A floor area of extended width relative to the width of the machine can be treated by causing the machine to traverse the floor area in a series of passes from one end of the area to the other. The machine is guided during each pass by reference to each one in turn of a series of retroreflective targets located generally ahead of it, and maintains a selected lateral offset from each target. Changing the offset distance during successive passes allows treatment of the area while guiding off a single series of targets.

REFERENCES:
patent: 3744586 (1973-07-01), Leinauer
patent: 4225226 (1980-09-01), Davidson et al.
patent: 4790402 (1988-12-01), Field et al.
patent: 4846297 (1989-07-01), Field et al.
patent: 4855915 (1989-08-01), Dallaire
patent: 4918607 (1990-04-01), Wible

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