| 基于光纤Sagnac干涉仪的旋转角度测量系统 |
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| 引用本文： | 周星炜,王占斌,袁一方,穆平安,陈林.基于光纤Sagnac干涉仪的旋转角度测量系统[J].传感器与微系统,2005,24(9):53-55. |
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| 作者姓名： | 周星炜 王占斌 袁一方 穆平安 陈林 |
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| 作者单位： | 1. 上海理工大学,光电学院,上海,200093
2. 上海第二工业大学,上海,201209 |
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| 摘 要： | 介绍了一种基于光纤Sagnac干涉仪的敏感角速度光纤传感器的工作原理。根据其输出的旋转信号的特点,采用P87LPC767单片机,设计出一套应用于角度测量的硬件及软件,实现了对中低速旋转的角度测量,可测角度范围为-360°~360,°且误差低于1%。详细介绍角度测量的实现,并对测量结果和误差进行分析。
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| 关 键 词： | Sagnac干涉仪 光纤传感器 P87LPC767单片机 角度测量 |
| 文章编号： | 1000-9787(2005)09-0053-03 |
| 收稿时间： | 03 24 2005 12:00AM |
| 修稿时间： | 2005年3月24日 |
Rotation angle measurement system based on fiber-optic Sagnac-interferometer |
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| ZHOU Xing-wei,WANG Zhan-bin,YUAN Yi-fang,MU Ping-an,CHEN Lin.Rotation angle measurement system based on fiber-optic Sagnac-interferometer[J].Transducer and Microsystem Technology,2005,24(9):53-55. |
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| Authors: | ZHOU Xing-wei WANG Zhan-bin YUAN Yi-fang MU Ping-an CHEN Lin |
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| Abstract: | The principle of a kind of fiber-optic sensor based on the Sagnac-interferometer is introduced.According to the character of the output signal,a set of hardware and software applied to the measurement of angle is designed based on the single chip processor P87LPC767.The system can measure the rotation angle from (-360°) to 360° in a low or middle speed and limit the deviation within 1%.The realization of angle measurement is mainly introduced,and the result of the experiment is given.Finally,the result of measurement and the deviation are analysed. |
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| Keywords: | Sagnac-interferometer fiber-optic sensor single chip processor P87LPC767 angle measurement |
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