Method for virtual boundary-based collision avoidance and task control using safety signal linkage of collaborative robot, and computer program recorded on record-medium for executing method therefor

Abstract

A method for virtual boundary-based collision avoidance and task control using safety signal linkage of a collaborative robot, and a computer program recorded on record-medium for executing method therefor, are described. The method may include generating, by a management server, a virtual safety fence based on a work path of the collaborative robot in a video capturing an industrial field in which the collaborative robot is located, and detecting, by the management server, whether a worker enters the generated virtual safety fence based on the video. The method may further include tracking movement of the worker based on the video, estimating a speed of the worker, variably setting a size of the virtual safety fence according to the estimated speed, and variably controlling, in real time, a frame rate of the video according to the number of workers recognized in the video or according to an estimated workload.

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