Frontiers of Mechanical Engineering >

2015 , Vol. 10 >Issue 4: 367 - 372

DOI: https://doi.org/10.1007/s11465-015-0367-5

RESEARCH ARTICLE

A pre-compensation method of the systematic contouring error for repetitive command paths

  • D. L. ZHANG ,
  • Y. H. CHEN ,
  • Y. P. CHEN
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  • State Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Received date: 18 Sep 2015

Accepted date: 20 Oct 2015

Published date: 03 Dec 2015

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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Abstract

For a repetitive command path, pre-compensating the contouring error by modifying the command path is practical. To obtain the pre-compensation value with better accuracy, this paper proposes the use of a back propagation neural network to extract the function of systematic contouring errors. Furthermore, by using the extracted function, the contouring error can be easily pre-compensated. The experiment results verify that the proposed compensation method can effectively reduce contouring errors.

Key words： contouring error; pre-compensation; motion control system; back propagation (BP) neural network

Cite this article

D. L. ZHANG , Y. H. CHEN , Y. P. CHEN . A pre-compensation method of the systematic contouring error for repetitive command paths[J]. Frontiers of Mechanical Engineering, 2015 , 10(4) : 367 -372 . DOI: 10.1007/s11465-015-0367-5

Acknowledgements

The work was supported by the National Natural Science Foundation of China (Grant No. 51005086).

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