Design and characteristics of a non-contact rotational sensor based on a fiber Bragg grating

被引：3
|
作者：
Lu L.-D. [1 ]
Li H. [1 ]
Yao Q.-F. [1 ]
He W. [1 ]
Zhu L.-Q. [1 ,2 ]
机构：
[1] Beijing Key Laboratory for Optoelectronics Measurement Technology, Beijing Engineering Research Center of Optoelectronic Information and Instruments, Beijing Information Science and Technology University, Beijing
[2] Beijing Laboratory for Biomedical Detection Technology and Instrument, Beijing Information Science and Technology University, Beijing
来源：
Optoelectronics Letters | 2016年 / 12卷 / 6期
关键词：
D O I：
10.1007/s11801-016-6172-5
中图分类号：
学科分类号：
摘要：
We propose a novel non-contact rotational sensor based on a fiber Bragg grating (FBG) packaged in a core of a magnetic head, which converts the introduced strain from the circular magnetic railings ruler into the rotational information. A mathematical model is built for processing the data obtained by an interrogator, and the accuracy and resolution of the measurements are analyzed by altering the radius and period of the circular magnetic railings ruler, as well as the dimension of the sensor. The experimental results show that it is in good accordance with the theoretical analysis on rotational angle, and the fitting results indicate that the results obtained from the rotational sensor match very well with the real rotational velocity with a linearity of 0.998 and a standard error of about 0.01. © 2016, Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：421 / 425
页数：4
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