Research on Tank Volume Metrology for Petroleum and Liquid Petroleum Products Based on 3D Laser Scanning Method |
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| Jin-Tao Wang, Zi-Yong Liu, Long Zhang, Li-Gong Guo, Xue-Song Bao, Lin Tong |
- Abstract:
- One course radius measurement method for vertical tank volume metrology based on 3D laser scan principle was researched. Method of distance measurement by phase and angular measurement by optical grating was applied to acquire coordinates of points in each course under the control of servo system, and the permitted error of point location is 2 mm. Fitting algorithms base on direct iterative method (DIM) and least square method (LSM) were used to process measured data and deduce equivalent radius of each course. In comparison experiment, one 1000 m³ vertical tank was used as test object. Compared to strapping method (international mandatory standard), the maximal deviation radius value of method discussed is 2.8 mm, and the maximal difference of radius value calculated by DIM and LSM is 0.1 mm. The experimental results verified the method discussed in this paper.
- Keywords:
- Course radius, Measurement, Vertical tank, Volume metrology, Fitting algorithm, Comparison experiment
- Download:
- IMEKO-TC9-2010-109.pdf
- DOI:
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