Tracking control circuit for automatic guide vehicle

Details Tracking control circuit for automatic guide vehicle Tracking control circuit for automatic guide vehicle

1997-06-11

1999-08-03

Nguyen, Tan Q.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Automatic route guidance vehicle

318587, 180167, B62D 520

Patent

active

059318767

ABSTRACT:
A tracking control circuit for directly controlling the tracking (i.e., the steering) of an automatic guide vehicle (AGV) without utilizing a central processing unit (CPU) for control. The circuit controls the tracking of the AGV by comparing a first induced voltage with a second induced voltage to sense the tracking state (i.e., whether the AGV is veering right or left of the appropriate path), and then providing to a servo interface board either a voltage obtained by subtracting a reference voltage from the first induced voltage or a voltage obtained by subtracting the second induced voltage from the reference voltage. Which voltage is provided is determined in accordance with the sensed result of the tracking state.

REFERENCES:
patent: 4160488 (1979-07-01), Blakesless
patent: 4742283 (1988-05-01), Bolger et al.
patent: 4855656 (1989-08-01), Saitoh et al.
patent: 4864207 (1989-09-01), Miura et al.

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