大空间坐标测量网络的现场实时标定方法

doi:10.3969/j.issn.1000-1158.2018.01.01

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Abstract Large scale coordinate measuring network mainly composed of a plurality of measurement stations. In order to build the network in the field of measurement, and re-calibrate the measurement stations coordinates in measuring, the simulate-station calibration model is proposed following the analysis of the networks working principle and the measurement stations structure. The model takes the spherical target as the simulate-station which is arranged in a specific position. It can solve the calibration problem of the measurement network under coplanar layout. In order to obtain the distance informations required by the calibration model, two kinds of aiming methods, active scanning and center searching scanning, were proposed. The simulated calibration experiment results show that when the ranging accuracy is 0.5 mm, the mean coordinates calibration error of the measurement station was 2.1 mm. The aiming experiment results show that the standard deviations of ranging values obtained by two kinds of aiming methods were 0.16 mm and 0.34 mm. And they were roughly equal to the ranging accuray.

Key words： metrology large scale coordinate measuring aiming distance timely calibration coplanar layout

Received: 14 March 2017 Published: 29 December 2017

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TB92

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	Articles by authors
	ZHANG Hong-ying
	YU Xiao-fen
	WANG Biao

Cite this article:

ZHANG Hong-ying,YU Xiao-fen,WANG Biao. Onsite and Timely Calibration of the Large Scale Coordinate Measuring Network[J]. Acta Metrologica Sinica, 2018, 39(1): 1-5.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2018.01.01 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2018/V39/I1/1

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