Abstract
With the advancement of the motion control of industrial robots in recent years, there is a demand for a method that can easily measure the accuracy of the synchronous control of a 2-axis dual-arm robot. Therefore, in this study, we propose a new measurement method that creates a ball rolling motion in a circular orbit on the work plate and uses the rolling motion error with respect to the reference circle. In this study, we conducted experiments on the teaching method when controlling the rolling motion of the ball at a position away from the center of the robot on the work plate. Results showed that an error occurred in the maximum inclination angle of the plate, which we kept the ball steady by correcting a teaching program. As the load is applied to the wrist joints by the plate, the effect of the correction of the teaching point angle cannot be obtained. However, the method of correcting the angular velocity between the teaching points was found to be effective.
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