Static collision avoidance method for multiple automatically gui

Details Static collision avoidance method for multiple automatically gui Static collision avoidance method for multiple automatically gui

1988-10-31

1994-02-01

Trans, Vincent N.

Boots, shoes, and leggings

364444, 395 90, 180168, G06F 1550, G05D 102

Patent

active

052837394

ABSTRACT:
The invention is a method of static collision avoidance for multiple automatically guided vehicles (AGVs) on bidirectional paths. It defines the allowable travel path for an AGV as a series of path segments through or between possible destination points (called nodes) which are defined for the factory floor. AGVs can move to or through any of these nodes and can arrive in a predetermined order, according to "rules" defined by the method. The invention provides better performance than conventional AGV systems by allowing multiple AGVs to coexist in the same pathways without collision or excessive queueing in systems which use free-roving AGVs having programmable bidirectional paths. This new ability maximizes the degrees of freedom of AGV movement while minimizing collisions and "deadlock."

REFERENCES:
patent: 4653002 (1987-03-01), Barry
patent: 4674048 (1987-06-01), Okumura
patent: 4817000 (1989-03-01), Eberhart
patent: 4821192 (1989-04-01), Taivalkoski et al.
patent: 4926343 (1990-05-01), Tsuruta et al.

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