Kinematic parameter calibration method for industrial robot manipulator using the relative position |
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Authors: | In-Chul Ha |
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Affiliation: | (1) Robot System Research at Mechatronics Center, Samsung Heavy Industries Co., Ltd. Institute of Industrial Technology 103-28, Mounji-dong, Yuseong-gu, Daejeon, 305-380, Korea |
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Abstract: | A new calibration method for industrial robot system calibration on a manufacturing floor is presented in this paper. To calibrate the robot system, a laser sensor to measure the distance between robot tool and measurement surface is attached to the robot end-effector and a grid is established in the floor. Given two position command pulses for a robot manipulator and using the position difference between two command pulses, the relative position measurement calibration method will find the real robot kinematic parameters. The procedures developed have been applied to an industrial robot. Finally, the effects of the models used to calibrate the robot are discussed. This calibration method represents an effective, low cost and feasible technique for the industrial robot calibration in lab. projects and industrial environments. |
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Keywords: | Robot calibration Relative position Laser sensor |
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