An Adaptive Random-Period Interpolator for Stepping Motor Systems

Abstract:

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In motion control systems driven by stepping motors, reference word interpolation is usually used with a constant period, which inevitably results in vibration caused by quantization errors and interpolation spare. An interpolator with adaptive random-period is proposed: with the adaptive random-period interpolator, the high-frequency energy excitation from stepping motor driving signals can be greatly dispersed and the desired trajectory and feed profile can be realized through the mutual restriction between the velocity and the displacement. Simulation results show that the adaptive random-period interpolator can effectively improve the velocity excitation, resonant excitation and motion accuracy.

Info:

Periodical:

Key Engineering Materials (Volumes 431-432)

Edited by:

Yingxue Yao, Dunwen Zuo and Xipeng Xu

Pages:

495-498

DOI:

10.4028/www.scientific.net/KEM.431-432.495

Citation:

J. He et al., "An Adaptive Random-Period Interpolator for Stepping Motor Systems", Key Engineering Materials, Vols. 431-432, pp. 495-498, 2010

Online since:

March 2010

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Price:

$35.00

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