Design and experimental validation of velocity measurement system based on optical cross correlation method

Zhixiong SHI; Kewei PAN; Yifan YANG; Bin YANG; Zhanping WANG; Jinliang LIU

doi:10.3969/j.issn.1005-5630.2020.02.013

Optical Instruments, Volume. 42, Issue 2, 75(2020)

Design and experimental validation of velocity measurement system based on optical cross correlation method

Zhixiong SHI1... Kewei PAN2, Yifan YANG1, Bin YANG1,*, Zhanping WANG1 and Jinliang LIU1 |Show fewer author(s)

¹Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

²Shanghai Space Propulsion Technology Research Institute, Shanghai 201109, China

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Figures & Tables(6)

Fig. 1. Schematic of velocity measurement based on optical cross correlation method

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Fig. 2. Experimental system of velocity measurement based on optical cross correlation method

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Fig. 3. Typical light intensities of detectors

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Fig. 4. Cross correlation coefficient of typical light intensities

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Table 1.
Velocity measurement results of the rotating wire under diffract voltages
不同电压下绕丝速度测量结果
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Table 1.
Velocity measurement results of the rotating wire under diffract voltages
不同电压下绕丝速度测量结果
电机电压/V 速度测量结果/（m·s⁻¹）标准偏差/（m·s⁻¹）
6 8.526 0.016
9 13.406 0.013
12 18.607 0.024
15 23.492 0.013
18 28.511 0.010
21 33.457 0.005
24 38.275 0.004

Table 2.
Velocity measurement errors of the rotating wire under diffract voltages
不同电压下绕丝速度测量误差

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Table 2.
Velocity measurement errors of the rotating wire under diffract voltages
不同电压下绕丝速度测量误差

电机电压/ V	速度测量结果/（m·s⁻¹）	标准参考速度/（m·s⁻¹）	相对偏差/ %
6	8.526	8.440	1.01
9	13.406	13.710	2.27
12	18.607	18.730	0.66
15	23.492	23.000	2.09
18	28.511	28.510	0.01
21	33.457	33.120	1.01
24	38.275	36.040	5.84

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Zhixiong SHI, Kewei PAN, Yifan YANG, Bin YANG, Zhanping WANG, Jinliang LIU. Design and experimental validation of velocity measurement system based on optical cross correlation method[J]. Optical Instruments, 2020, 42(2): 75

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Paper Information

Category:

Received: Nov. 27, 2019

Accepted: --

Published Online: May. 27, 2020

The Author Email: YANG Bin (yangbin@usst.edu.cn)

DOI:10.3969/j.issn.1005-5630.2020.02.013

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Velocity measurement results of the rotating wire under diffract voltages不同电压下绕丝速度测量结果

Table 1. Velocity measurement results of the rotating wire under diffract voltages不同电压下绕丝速度测量结果

Table 2. Velocity measurement errors of the rotating wire under diffract voltages不同电压下绕丝速度测量误差

Table 2. Velocity measurement errors of the rotating wire under diffract voltages不同电压下绕丝速度测量误差

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Table 1.
Velocity measurement results of the rotating wire under diffract voltages
不同电压下绕丝速度测量结果

Table 1.
Velocity measurement results of the rotating wire under diffract voltages
不同电压下绕丝速度测量结果

Table 2.
Velocity measurement errors of the rotating wire under diffract voltages
不同电压下绕丝速度测量误差

Table 2.
Velocity measurement errors of the rotating wire under diffract voltages
不同电压下绕丝速度测量误差