Multilateral laser tracking system self-calibration method based on spherical center fitting

Position		Position 1			Position 2			Position 3
Number of points		1 000			1 000			1 000
Common difference/mm		0.020			0.020			0.020
Number of effective point		646			617			469
Spherical center coordinate/mm	X	Y	Z	X	Y	Z	X	Y	Z
Spherical center coordinate/mm	–2 212.401	–952.396	–29.726	–3 132.017	–1 866.354	–33.046	–4 084.727	–4 692.426	–151.759
Radius/mm		134.669			134.662			134.526

Table 2.
Comparison of scale bar length measured by four-station multilateral method and single station
四站模型多边法与单站测得标准尺长度比较

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Table 2.
Comparison of scale bar length measured by four-station multilateral method and single station
四站模型多边法与单站测得标准尺长度比较

		Point 1			Point 2		Length /mm	Absolute value of difference/μm
	X/mm	Y/mm	Z/mm	X/mm	Y/mm	Z/mm	Length /mm	Absolute value of difference/μm
Original point tracker	–15 546.039	–15 248.192	–649.910	–14 824.764	–15 942.233	–659.255	1 001.008	65
Moving station tracker 1	17 834.335	–7 998.228	–672.218	18 258.769	–7 091.881	–664.588	1 000.833	110
Moving station tracker 2	–1 628.084	–18 162.704	–1 013.202	–633.001	–18 269.683	–1 029.440	1 000.949	6
Moving station tracker 3	–9 217.2173	–12 558.486	–580.287	–8 375.950	–13 100.796	–594.329	1 001.013	70
Multilateral	20 315.755	7 843.199	–586.987	19 928.030	8 764.959	–630.0941	1 000.915	28

Table 3.
Comparison of scale bar length measured by three-station multilateral method and single station
三站模型多边法与单站测得标准尺长度比较

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View in Article

Table 3.
Comparison of scale bar length measured by three-station multilateral method and single station
三站模型多边法与单站测得标准尺长度比较

		Point 1			Point 2		Length/mm	Absolute value of difference/μm
	X/mm	Y/mm	Z/mm	X/mm	Y/mm	Z/mm	Length/mm	Absolute value of difference/μm
Original point tracker	4 869.88	5 909.79	–451.91	5 284.89	5 034.15	–439.30	969.164	119
Moving station tracker 1	4 869.82	5 909.84	–452.02	5 284.76	5 034.17	–439.39	969.095	50
Moving station tracker 2	4 869.77	5 909.93	–452.01	5 284.81	5 034.32	–439.41	969.076	31
Multilateral	5 507.68	–5 324.49	–400.97	4 601.88	–5 668.67	–393.14	969.024	21

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Jun He, Fumin Zhang, Huadi Zhang, Xinghua Qu. Multilateral laser tracking system self-calibration method based on spherical center fitting[J]. Infrared and Laser Engineering, 2020, 49(8): 20190438

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Paper Information

Category: 光电测量

Received: Nov. 20, 2019

Accepted: --

Published Online: Dec. 31, 2020

The Author Email:

DOI:10.3788/IRLA20190438

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Spherical center fitting data and result球心拟合数据及结果

Table 1. Spherical center fitting data and result球心拟合数据及结果

Table 2. Comparison of scale bar length measured by four-station multilateral method and single station四站模型多边法与单站测得标准尺长度比较

Table 2. Comparison of scale bar length measured by four-station multilateral method and single station四站模型多边法与单站测得标准尺长度比较

Table 3. Comparison of scale bar length measured by three-station multilateral method and single station三站模型多边法与单站测得标准尺长度比较

Table 3. Comparison of scale bar length measured by three-station multilateral method and single station三站模型多边法与单站测得标准尺长度比较

Table 1.
Spherical center fitting data and result
球心拟合数据及结果

Table 1.
Spherical center fitting data and result
球心拟合数据及结果

Table 2.
Comparison of scale bar length measured by four-station multilateral method and single station
四站模型多边法与单站测得标准尺长度比较

Table 2.
Comparison of scale bar length measured by four-station multilateral method and single station
四站模型多边法与单站测得标准尺长度比较

Table 3.
Comparison of scale bar length measured by three-station multilateral method and single station
三站模型多边法与单站测得标准尺长度比较

Table 3.
Comparison of scale bar length measured by three-station multilateral method and single station
三站模型多边法与单站测得标准尺长度比较