基于激光扫描的立式金属罐容量计量方法

doi:10.3969/j.issn.1000-1158.2018.02.17

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Abstract According to the traditional large capacity measurement methods have some shortcomings, such as low accuracy, low work efficiency and labor intensity, a volume measurement method for vertical metal tank based on laser scanning is presented. The volume calculation model is established for vertical tank and the concrete implementation process is analyzed. And the key algorithms are researched for the laser point cloud data analysis and process. The volume value is automatically calculated in the different liquids by calculating the cross-sectional area along the horizontal direction of tank and integrating from vertical direction. A vertical tank is selected as the measurement object, which has the nominal capacity of 1000 m3. It is shown the good repeatability and reappearance of the proposed method. To design an experimental comparison system, the measurement experiment is carried out in three different vertical tanks which has the nominal capacity of 1000 m3, 2500 m3 and 5000 m3, respectively. The maximum relative deviation of volume measurement between the proposed method and total station method is 0.0729%, 0.0329% and 0.0582%, respectively.

Key words： metrology vertical metal tank volume measurement laser scanning;point cloud data analysis comparison test

Received: 09 November 2017 Published: 11 February 2018

PACS:

TB938.3

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	Articles by authors
	HAO Hua-dong
	LI Cun-jun
	LIU Ying
	SHI Hao-lei
	LI Shu-guang

Cite this article:

HAO Hua-dong,LI Cun-jun,LIU Ying, et al. Volume Measurement Method of Vertical Metal Tank Based on Laser Scanning[J]. Acta Metrologica Sinica, 2018, 39(2): 222-227.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2018.02.17 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2018/V39/I2/222

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