IDENTIFICATION AND COMPENSATION OF COGGING AND FRICTION FORCES IN TUBULAR PERMANENT MAGNET LINEAR MOTORS

被引：0
|
作者：
Zamanian, Amir Hosein [1 ]
Richer, Edmond [1 ]
机构：
[1] Southern Methodist Univ, Dept Mech Engn, Biomed Instrumentat & Robot Lab, Dallas, TX 75206 USA
来源：
PROCEEDINGS OF THE ASME 10TH ANNUAL DYNAMIC SYSTEMS AND CONTROL CONFERENCE, 2017, VOL 2 | 2017年
关键词：
SYNCHRONOUS MOTOR; MOTION CONTROL; REDUCTION;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents the modeling, identification, and compensation of cogging and resistive forces in tubular permanent magnet linear motors (PMLMs). An observer-based model that includes the effects of cogging, backlash, inertia, Coulomb, and viscous frictions, as well as back electromotive force is presented. Least square optimization is carried out to identify the model, and the weakness of fast Fourier transform (FFT) in PMLMs with short translators for precise wavelength determination is discussed. The identified model is used as a directional estimator in a closed-loop controller to compensate the disturbance forces induced by the PMLM to a secondary mechanism. Experimental results show a reduction of the disturbance force energy up to 31.96 dB.
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页数：7
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