首页|Patent Issued for Method for preventing collision between taskperforming robots (USPTO 12049013)
Patent Issued for Method for preventing collision between taskperforming robots (USPTO 12049013)
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NETL
NSTL
Reporters obtained the following quote from the background information supplied by the inventors:“BACKGROUND ART“When work trajectories of each of task-performing robots within a work station are given, a situationmay occur in which each of the work trajectories share th e same work area. In this case, collisions betweenrobots may occur, so the work areas between robots should not overlap as much as possible. However,in some c ases, it may be impossible to generate a trajectory that avoids all of the colli sions. Therefore,in the field, the problem is solved using interlock signals be tween robots. If a collision between robotsis expected, when one of the two rob ots enters the work area first, the other robot receives a signaland stops, and when the robot that worked first leaves the work area, the other robot may rece ive thesignal and resume work. However, currently, the user directly manually g enerates the interlock signals byexpecting whether the robots collide, and a ge neration-test process is repeated until the collision does notoccur. Not only i s this method inefficient in terms of time, but there is a problem that even if a collisiondoes not occur in the end, additional waiting time may exceed the ti me allocated to each work station.Accordingly, there is an emerging need for a method to automatically generate such interlock signals toprevent collisions be tween a plurality of task-performing robots.
NETL
NSTL
