采用压电叠堆的电主轴振动主动控制研究

doi:10.16731/j.cnki.1671-3133.2017.09.013

现代制造工程 ›› 2017, Vol. 444 ›› Issue (9): 74-80.doi: 10.16731/j.cnki.1671-3133.2017.09.013

采用压电叠堆的电主轴振动主动控制研究

冷怀方¹, 孟利波², 合烨¹

1 重庆大学机械传动国家重点实验室,重庆 400044;
2 国家山区公路工程技术研究中心,重庆 400000

收稿日期:2016-01-25 出版日期:2017-09-20 发布日期:2018-01-09
作者简介:冷怀方,硕士研究生,主要从事电主轴振动主动控制研究。E-mail:1564633118@qq.com
基金资助:
中央高校基本科研业务费专项项目(106112015CDJZR335503);国家山区公路工程技术研究中心资助项目(GSGZJ-2014-04)

Research on motorized spindle active vibration controlbased on piezoelectric stack

Leng Huaifang¹, Meng Libo², He Ye¹

1 State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,China;
2 National Engineering and Research Center for Mountainous Highways,Chongqing 400000,China

Received:2016-01-25 Online:2017-09-20 Published:2018-01-09

摘要/Abstract

摘要： 电主轴轴承-转子系统在工作过程中受到多种振动激励的干扰,严重影响被加工零件的加工精度及可靠性。采用压电叠堆对电主轴轴承-转子系统的动态振动特性进行干预,建立了包含压电叠堆的电主轴轴承-转子物理模型,并运用有限元法建立了电主轴轴承-转子-压电叠堆机电耦合动力学模型。根据线性二次型最优控制(Linear Quadratic Regulator,LQR)理论设计了针对系统的输出反馈控制律,最终建立了高速电主轴轴承-转子系统振动主动控制模型,并运用Matlab软件进行了控制仿真,仿真结果表明:该控制方法在集成了压电叠堆的电主轴振动控制中取得了明显的控制效果。

关键词: 电主轴, 压电叠堆, 振动主动控制, 线性二次型最优控制

Abstract: Motorized spindle bearing-rotor system is interfered by various vibration exciting in the working process,this will seriously affect component machining accuracy and reliability.Used piezoelectric stack to interfere the dynamic vibration characteristics of motorized spindle bearing-rotor system and established the physical model containing the piezoelectric stack.The finite element method was also used to establish the dynamic electromechanical coupling model of motorized spindle bearing-rotor-piezoelectric stack system.Output feedback control was designed by Linear Quadratic Regulator (LQR) control method and adaptive vibration control of high speed motorized spindle bearing-rotor system was finally established.Control simulation was carried out by Matlab and results of the simulation indicated that this control method achieved obvious control effect in the motorized spindle vibration control with the integration of piezoelectric stack.

Key words: motorized spindle, piezoelectric stack, active vibration control, LQR control

中图分类号:

TH13

冷怀方, 孟利波, 合烨. 采用压电叠堆的电主轴振动主动控制研究[J]. 现代制造工程, 2017, 444(9): 74-80.

Leng Huaifang, Meng Libo, He Ye. Research on motorized spindle active vibration controlbased on piezoelectric stack[J]. Modern Manufacturing Engineering, 2017, 444(9): 74-80.

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采用压电叠堆的电主轴振动主动控制研究

Research on motorized spindle active vibration controlbased on piezoelectric stack

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