Abstract
This paper analyses the kinematic parameters and the positioning accuracy of robot end effectors influenced by temperature factors. Temperature factors include robot self-heating and environmental temperature changes. This paper also builds the thermal distribution model and deformation model using finite element theory. A thermal compensation strategy is presented to validate the significant correlation between the robot kinematics parameters and previous thermal models mentioned above. It is convenient and suitable for industrial field. Thermal compensation is experimentally proved to adjust the position error of the end effectors by less than 0.1mm.
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