Research on angle setting error of diameter measurement based on laser displacement sensors

Jinyu Ma; Xin Chen; Guoqing Ding; Jigang Chen

doi:10.3788/IRLA20200316

Journals >Infrared and Laser Engineering >Volume 50 >Issue 5 >Page 20200316 > Article

Infrared and Laser Engineering
Vol. 50, Issue 5, 20200316 (2021)

Research on angle setting error of diameter measurement based on laser displacement sensors

Jinyu Ma¹, Xin Chen¹, Guoqing Ding¹, and Jigang Chen²

Author Affiliations

¹School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

²Shanghai Precision Metrology and Test Research Institute, Shanghai 201109, China

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DOI: 10.3788/IRLA20200316 Cite this Article

Jinyu Ma, Xin Chen, Guoqing Ding, Jigang Chen. Research on angle setting error of diameter measurement based on laser displacement sensors[J]. Infrared and Laser Engineering, 2021, 50(5): 20200316 Copy Citation Text

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Fig. 1. Three-point method without angel setting errors

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Fig. 2. Three-point method with angel setting errors

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Fig. 3. Flow chart of calibration

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Fig. 4. Radius error in different measurements

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Fig. 5. Experiment platform of diameter’s measurement

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Fig. 6. Top view of measuring device

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Angle error/(°)	Fixed distance/mm	Radius error/μm
0.5	15	0.483
1.0	15	1.789
1.5	15	3.234
2.0	15	4.759
2.5	15	6.374
3.0	15	8.124

Table 1. Max radius difference with angle errors

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Systemic parameters	Designed value	True value	Calibrated value	Absolute error
s₁/mm	15	15.3039	15.3039065	0.0000065
s₂/mm	15	14.6943	14.6943028	0.0000028
s₃/mm	15	15.2077	15.2076977	0.0000013
α₁/(°)	1	1.05	1.0503227	0.0003227
α₂/(°)	−1	−1.05	−1.0505857	−0.0005857
α₃/(°)	1	1.001	1.0051009	0.0004899

Table 2. Simulation results of systemic parameters

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Radius with calibration/mm	Error with calibration/μm	Radius without calibration/m	Error without calibration/μm
18.07686	−0.33	18.05303	−24.15
18.07734	−0.20	18.05435	−23.19
18.07763	−0.83	18.05546	−21.34
18.07788	−0.55	18.05655	−21.88
18.07760	−0.18	18.05710	−20.69
18.07681	−1.07	18.05714	−20.73
18.07615	−1.40	18.05146	−26.09
18.07672	−1.25	18.04759	−30.53
18.07750	−0.10	18.04438	−33.22

Table 3. Experiment results of radius

Jinyu Ma, Xin Chen, Guoqing Ding, Jigang Chen. Research on angle setting error of diameter measurement based on laser displacement sensors[J]. Infrared and Laser Engineering, 2021, 50(5): 20200316

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