Circulatory system for MR fluid based on gray forecast control algorithm

PENG Xiao-qiang; DAI Yi-fan; TANG Yu

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Circulatory system for MR fluid based on gray forecast control algorithm

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- Circulatory system for MR fluid based on gray forecast control algorithm
- Optics and Precision Engineering Vol. 15, Issue 1, Pages: 100-105(2007)
- 作者机构：
  
  国防科技大学机电工程与自动化学院机电系,湖南长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ171.684
- Received：15 April 2006，
  
  Revised：14 November 2006，
  
  Published Online：30 January 2007，
  
  Published：30 January 2007
- 稿件说明：
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PENG Xiao-qiang, DAI Yi-fan, TANG Yu. Circulatory system for MR fluid based on gray forecast control algorithm[J]. Optics and precision engineering, 2007, 15(1): 100-105.
DOI：

PENG Xiao-qiang, DAI Yi-fan, TANG Yu. Circulatory system for MR fluid based on gray forecast control algorithm[J]. Optics and precision engineering, 2007, 15(1): 100-105. DOI：

摘要

保证磁流变液成分的稳定

即保证磁流变液零磁场粘度的稳定

进而保证抛光过程中材料去除模型的稳定

是磁流变抛光技术实现确定性加工的必要条件。讨论了研制的磁流变液循环控制系统

通过检测磁流变液在喷嘴中的沿程压力损失来测量磁流变液零磁场粘度

并针对其粘度控制是大时延系统的特点

采用灰色预测控制算法

实现了磁流变液零磁场粘度的闭环控制

较好地解决了磁流变液的成分稳定控制问题。

Abstract

A Magnetorheological(MR) fluid circulatory system for MR finishing developed by us is introduced in this paper. The viscosity of MR fluid in non-magnetic field is obtained by measuring the pressure loss in a certain pipe. Because the viscosity control system is a big delay timing system

the gray forecast controlling algorithm is adopted to realize the viscosity control. The problem of keeping the composition of magnetorheological fluid stable can be solved. The experiment results prove that the circulatory system can keep the removal model steady.

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references

. SHOREY A,KORDONSKI W,TRICARD K M. Magnetorheological finishing of large and lightweight optics[J]. SPIE,2004,5533,99-107.

. JOHNSON J S,GROBSKY J K,CORPORATION Z. Rapid fabrication of lightweight silicon carbide mirrors[J].SPIE,2002,4771:243-249.

. 王宝和. 流体传动与控制[M]. 长沙:国防科技大学出版社,2001. WANG B H. Liquid drive and control[M]. Changsha:National University of Defence Technology Press, 2001.(in Chinese)

. 刘勇涛. 转子振动系统的灰色关联控制和灰色预测控制 . 西北工业大学,2000. LIU Y T. The gray associated control and the gray forecast control of rotor oscillation . University of Northwest Industry,2000.(in Chinese)

. 张峰, 余景池, 张学军,等. 磁流变抛光技术[J]. 光学精密工程. 1999,7(5):1-8. ZHANG F, YU J CH, ZHANG X J,et al.. Magnetorheological finishing technology .Opt. Precision. Eng., 1999,7(5):1-8.(in Chinese)

. 刘思峰. 灰色系统理论及其应用[M]. 科学出版社,2004. LIU S F. The gray system theory and application[M]. Beijing:Science Press,2004.(in Chinese)

. 邓聚龙. 灰色控制系统[M] . 西安:华中理工大学出版社,1993. DENG J L. The system of the gray control[M]. Xi'an Huazhong University of Science and Technology Press,1993.(in Chinese)

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