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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Front. Mech. Eng. ›› 2015, Vol. 10 ›› Issue (4) : 367-372. DOI: 10.1007/s11465-015-0367-5
RESEARCH ARTICLE

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

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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.

Keywords

contouring error / pre-compensation / motion control system / back propagation (BP) neural network

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D. L. ZHANG, Y. H. CHEN, Y. P. CHEN. A pre-compensation method of the systematic contouring error for repetitive command paths. Front. Mech. Eng., 2015, 10(4): 367‒372 https://doi.org/10.1007/s11465-015-0367-5

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Acknowledgements

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

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2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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