文献类型：期刊文献

中文题名：基于内置力执行器的砂轮不平衡振动主动控制

英文题名：A built-in force actuator for unbalanced vibration active control of a grinding wheel

作者：乔晓利[1,2];祝长生[2]

机构：[1]绍兴文理学院机电系;[2]浙江大学电气工程学院

年份：2012

卷号：31

期号：24

起止页码：125

中文期刊名：振动与冲击

外文期刊名：Journal of Vibration and Shock

收录：CSTPCD、、北大核心2011、EI(收录号：20130615999961)、Scopus(收录号：2-s2.0-84873247219)、CSCD2011_2012、北大核心、CSCD

基金：国家教委博士点基金(20110101110040)

语种：中文

中文关键词：砂轮不平衡振动;振动控制;力执行器

外文关键词：grinding wheel unbalanced vibration; vibration control; force actuator

中文摘要：为了有效地控制由砂轮质量不平衡引起的不平衡振动,提出一种新的控制砂轮不平衡振动的主动控制方案,该控制方案中用来抑制振动的电磁力源于无轴承电机径向磁悬浮力产生的原理。首先研究双绕组感应型电主轴的结构及工作原理,径向控制力的模型及砂轮的受力模型,用有限元法建立了感应型柔性电主轴-砂轮的动力学模型,设计了感应型柔性电主轴-砂轮不平衡振动的主动控制系统,用有限元法分析当电机转子偏心和不偏心时,控制绕组电流加入对电机内部性能的影响,结果表明该控制方案完全可行并且对抑制砂轮端不平衡振动具有显著作用。

外文摘要：To control unbalanced vibration caused by a grinding wheel mass unbalance, a new active control strategy for suppressing grinding wheel unbalance vibration was proposed. Suppressing-vibration damping in the control scheme originated from the principle of a bearing-less motor generating a radial magnetic force. Firstly, the winding structure and the working principle of an induction-type two-winding electric spindle were investigated. Its radial control force model and the model of the forces exerted on a grinding wheel were also studied. The induction-type flexural electric spindle-grinding wheel dynamic model was built with the finite element method. An active control system for the unbalanced vibration of the electric spindle-grinding wheel was designed and simulated. The results showed that the control scheme plays a significant role in suppressing the unbalanced vibration of the grinding wheel.