基于光纤光栅的磁力轴承磁力在线测量系统

J4 ›› 2009, Vol. 20 ›› Issue (11): 0-1385.

• 科学基金 •

基于光纤光栅的磁力轴承磁力在线测量系统

丁国平;周祖德;胡业发

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-06-10 发布日期:2009-06-10

Fibre Bragg Grating Based Magnetic Force Online Measurement System for Magnetic Bearings

Ding Guoping;Zhou Zude;Hu Yefa

Received:1900-01-01 Revised:1900-01-01 Online:2009-06-10 Published:2009-06-10

摘要/Abstract

摘要：

为解决磁力轴承的磁力在线测量问题，提出了利用光纤光栅(FBG)的应变传感原理测量磁力轴承定子与转子之间磁力的方法。开发了基于FBG的磁力传感装置，推导了磁力与FBG波长偏移量之间的关系式。搭建了基于FBG的磁力轴承的磁力在线测量实验系统，模拟磁力轴承工作状态。在不同的气隙、转子转速、线圈电流的实验条件下，对磁力进行了在线测量，验证了基于FBG的磁力轴承的磁力在线测量的可行性。

关键词: 磁力轴承；光纤光栅(FBG)；磁力；在线测量

Abstract:

To solve magnetic bearings’ magnetic force online measurement problem, a fiber bragg grating (FBG) strain sensing mechanism was appied in magnetic force measurement. A FBG magnetic force sensing device was designed and fabricated, and the relationship between magnetic force and FBG wavelength shift was derived. A FBG-based magnetic force online measurement system was established, through which magnetic force was measured under different air gap, rotating speed and coil current conditions, and the feasibility of FBG-based magnetic force online measurement was verified.

Key words: magnetic bearing, fibre bragg grating(FBG), magnetic force, online measurement

中图分类号:

TH133.3

丁国平;周祖德;胡业发;. 基于光纤光栅的磁力轴承磁力在线测量系统[J]. J4, 2009, 20(11): 0-1385.

Ding Guoping;Zhou Zude;Hu Yefa. Fibre Bragg Grating Based Magnetic Force Online Measurement System for Magnetic Bearings [J]. J4, 2009, 20(11): 0-1385.

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基于光纤光栅的磁力轴承磁力在线测量系统

Fibre Bragg Grating Based Magnetic Force Online Measurement System for Magnetic Bearings

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