An Adaptive Random-Period Interpolator for Stepping Motor Systems

Jun He; You Peng You; Hao Chen; Hua Ming Wang

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

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 431-432An Adaptive Random-Period Interpolator for...

An Adaptive Random-Period Interpolator for Stepping Motor Systems

Abstract:

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.

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Periodical:

Key Engineering Materials (Volumes 431-432)

Pages:

495-498

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.431-432.495

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Online since:

March 2010

Authors:

Jun He, You Peng You, Hao Chen, Hua Ming Wang

Keywords:

Adaptive Random-Period Interpolator, Computerized Numerical Control (CNC), Motion Control, Stepping Motor System

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