永磁型电主轴多频率振动的主动控制

中国机械工程 ›› 2014, Vol. 25 ›› Issue (2): 162-168.

永磁型电主轴多频率振动的主动控制

乔晓利1,2;祝长生1

1.浙江大学,杭州,310027
2.绍兴文理学院,绍兴,312000

出版日期:2014-01-25 发布日期:2014-02-19
基金资助:
高等学校博士学科点专项科研基金资助项目(20110101110040)

An Active Multiple Frequency Vibration Control Scheme of Grinding Wheel in Permanent Magnet(PM) Electric Spindle Rotor System

Qiao Xiaoli1,2;Zhu Changsheng1

1.Zhejiang University,Hangzhou,310027; 2.Shaoxing College of Arts and Sciences,Shaoxing,Zhejiang,312000

Online:2014-01-25 Published:2014-02-19
Supported by:
Research Fund for the Doctoral Program of Higher Education of China（No. 20110101110040）

摘要/Abstract

摘要：

为了有效抑制由砂轮质量不平衡及外部干扰引起的永磁型电主轴转子系统砂轮端的多频率成分振动，在无轴承永磁电机径向磁悬浮力产生原理的基础上，提出了一种基于最小方差快捷分块(FBLMS)的自适应滤波的永磁型双绕组电主轴柔性转子系统砂轮端多频率成分振动的主动控制方案。首先研究了双绕组永磁型电主轴结构及工作原理和径向控制力的模型,借助有限元法建立了永磁型电主轴柔性转子系统的动力学模型，分析了控制电流的不同成分对永磁体涡流损耗及电机定子铁损的影响，设计了永磁型电主轴柔性转子系统砂轮端多频率成分振动的主动控制系统，结果表明，提出的永磁型电主轴柔性转子系统砂轮端多频率成分振动控制方案具有明显的控制效果。

关键词: 多频振动, 振动控制, 最小方差快速分块, 双绕组电主轴

Abstract:

To control vibration effectively, which had multiple frequency, caused by mass unbalance of grinding wheel and disturbance signals, this paper proposed a new active control strategy for suppressing the multiple frequency vibration of the grinding wheel in electric spindle rotor system, which was based on the LMS algorithm adaptive filter. The control scheme originated from the control principle of a bearingless PM motor. First, the winding configuration and principle of the PM two winding electric spindle and radial control force model were investigated.The dual winding PM electric spindle flexural rotor dynamics model was established by finite element and a FBLMS adaptive filter control algorithm was investigated. The multiple frequency vibration control effect of the grinding wheel, eddy loss of PM and stator core loss were investigated. The results show that the control scheme has an obvious control effect on suppressing the multiple frequency vibration of grinding wheel in electric spindle rotor system.

Key words: multiple frequency vibration, vibration control, fast block least mean square(FBLMS), two winding electric spindle

中图分类号:

TH133

乔晓利, 祝长生. 永磁型电主轴多频率振动的主动控制[J]. 中国机械工程, 2014, 25(2): 162-168.

Qiao Xiaoli, Zhu Changsheng. An Active Multiple Frequency Vibration Control Scheme of Grinding Wheel in Permanent Magnet(PM) Electric Spindle Rotor System[J]. China Mechanical Engineering, 2014, 25(2): 162-168.

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