Xiao Li, Xiaoye He, Wei Wang, Zhubing Cheng, Ting Gao, Tao Luo. Research on measurement method of altitude difference using hydrostatic leveling system[J]. High Power Laser and Particle Beams, 2022, 34(12): 124003
- High Power Laser and Particle Beams
- Vol. 34, Issue 12, 124003 (2022)
Fig. 1. Measurement principle of capacitive HLS sensor
Fig. 2. The zero-difference comparison platform
Fig. 3. Schematic diagram of zero-difference comparison
Fig. 4. Repeatability of the reference sensor
Fig. 5. Principle of operation of a Nivel sensor
Fig. 6. Construction of the HLS coordinate system
Fig. 7. Absolute altitude difference measurement results between sensor coordinate systems
Fig. 8. Calibration of the value of H
Fig. 9. Height difference measurement results between target centers
Fig. 10. Measurement errors of height difference between target centers
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Table 1. Values of the HLS sensors reading
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Table 2. Values of the tilt and d
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Table 3. Calibration value of H
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Table 4. Measurement values of CMM and HLS sensors
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