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The Location Error Compensate of Aspheric CNC by Tangent Method |
YU Bo, YU Zheng-lin,GU Li-dong,ZHOU Jia-he,QU Chao-ping |
Changchun University of Science and Technology, Changchun, Jilin 130022, China |
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Abstract Based on feed-forward PID algorithm and UMAC software, a compensate location error methed is proposed for the aspheric CNC by tangent method which was developed by ourselves, and specific steps to implement this method is given. The experimental results of location error compensation showed this method can improve the location accuracy of CNC effectively by the established feed-forward PID model and an UMAC error correct table.
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