用于异形孔精密加工的超磁致伸缩构件的线性化迟滞建模

张雷; 邬义杰; 刘孝亮; 王彬

doi:10.3788/OPE.20122002.0287

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用于异形孔精密加工的超磁致伸缩构件的线性化迟滞建模

微纳技术与精密机械 | 更新时间：2020-08-12

- 用于异形孔精密加工的超磁致伸缩构件的线性化迟滞建模
- Linearity hysteresis model of giant magnetostrictive components for non-cylindrical hole precision machining
- 光学精密工程 2012年20卷第2期页码：287-295
- 作者机构：
  
  浙江大学流体动力与机电系统国家重点实验室现代制造工程研究所,浙江杭州,310027
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(No.50975256)();浙江省自然科学基金重点资助项目(No.Z1080537)();国家教育部博士点基金资助项目(No.2007033
- DOI：10.3788/OPE.20122002.0287
  中图分类号： TG713;TP271
- 收稿日期：2011-09-13，
  
  修回日期：2011-10-28，
  
  网络出版日期：2012-02-25，
  
  纸质出版日期：2012-02-25
- 稿件说明：
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张雷, 邬义杰, 刘孝亮, 王彬. 用于异形孔精密加工的超磁致伸缩构件的线性化迟滞建模[J]. 光学精密工程, 2012,20(2): 287-295

ZHANG Lei, WU Yi-jie, LIU Xiao-liang, WANG Bin. Linearity hysteresis model of giant magnetostrictive components for non-cylindrical hole precision machining[J]. Editorial Office of Optics and Precision Engineering, 2012,20(2): 287-295
张雷, 邬义杰, 刘孝亮, 王彬. 用于异形孔精密加工的超磁致伸缩构件的线性化迟滞建模[J]. 光学精密工程, 2012,20(2): 287-295 DOI： 10.3788/OPE.20122002.0287.

ZHANG Lei, WU Yi-jie, LIU Xiao-liang, WANG Bin. Linearity hysteresis model of giant magnetostrictive components for non-cylindrical hole precision machining[J]. Editorial Office of Optics and Precision Engineering, 2012,20(2): 287-295 DOI： 10.3788/OPE.20122002.0287.

摘要

根据超磁致伸缩构件精密加工异形孔刀具轨迹的特点

采用纯延时环节串联线性化模型

建立其在高频驱动下驱动电流与输出微位移的迟滞非线性动态模型。通过一定频率下驱动电流与输出位移的相关辨识

获得系统纯延时环节的补偿参数

并建立了驱动电流与无相位差输出位移的线性化模型。当实时控制时

通过迟滞非线性模型的直接逆模型补偿

使位移输出与异形孔的理想刀具轨迹一致。实验验证表明

直接逆模型的最大开环控制误差为2.7 m

最大相对误差为10%。进一步对构件进行微位移反馈闭环控制

实验误差最大值为1.2 m

最大相对误差为7%

提高了系统的控制精度。

Abstract

According to the tool path characters of non-cylindrical hole precision machining by giant magnetostrictive components

a dynamic hysteresis model of giant magnetostrictive components was established by a pure delay transfer function and the linearity model between high-frequency driving currents and micro-displacement responses. The pure delay compensation parameters of the system were obtained by the relevant identification of driven currents and output displacements with a certain frequency. Then

a mapping model of the driven currents and output displacements without delay was established. The output displacement met the ideal tool paths of non-cylindrical hole boring by direct inverse model and delay compensation in real-time control. The results in verification experiments indicate that the maximum control error is 2.7 m

and the maximum relative error is about 10%. By integration of micro-displacement feedback control

the accuracy of the component is im proved further

the maximum control error is 1.2 m

and the maximum relative error is about 7%.

关键词

Keywords

references

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