Wire guidance control system

Details Wire guidance control system Wire guidance control system

1989-12-06

1991-11-26

Chin, Gary

Boots, shoes, and leggings

318587, 180168, G06F 1550

Patent

active

050687905

ABSTRACT:
A wire guidance system for a materials handling vehicle, such as a turret stockpicker, detects an alternating signal carried by a buried wire. Two sets of four sensors each are carried at either end of the vehicle. The distance and angle of the vehicle is determined by reference to the distance measurements of each sensor set, as calculated by a microcomputer. Deviations in the angle or speed from predetermined limits will cause brakes to be applied and require operator intervention before the vehicle can be restarted.

REFERENCES:
patent: 4530056 (1985-07-01), MacKinnon et al.
patent: 4626995 (1986-12-01), Lofgren et al.
patent: 4800977 (1989-01-01), Boegli et al.

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