A pre-compensation method of the systematic contouring error for repetitive command paths
D. L. ZHANG , Y. H. CHEN , Y. P. CHEN
Front. Mech. Eng. ›› 2015, Vol. 10 ›› Issue (4) : 367 -372.
A pre-compensation method of the systematic contouring error for repetitive command paths
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.
contouring error / pre-compensation / motion control system / back propagation (BP) neural network
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Higher Education Press and Springer-Verlag Berlin Heidelberg
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