Laser & Optoelectronics Progress, Volume. 60, Issue 5, 0512004(2023)
Phase Laser Ranging System Based on All-Phase Fourier Transform for Manipulator Positioning
Figures & Tables(8)
Fig. 4. Schematic diagram of software algorithm flow chart of laser ranging experiment system
Fig. 5. Statistical results of normalized frequency shift and phase discrimination deviation
Fig. 6. Statistical results of normalized frequency shift and phase discrimination deviation under joint influence of frequency shift and Gaussian white noise
Table 1. Fine measuring ruler and coarse measuring ruler
View tableTable 1. Fine measuring ruler and coarse measuring ruler
Modulation frequency /MHz Ruler length /m Measurement accuracy /mm 200 0.7500 0.7500 160 0.9375 0.9375 153 0.9805 0.9805 152 0.9870 0.9870 48 3.1250 3.1250 47 3.1915 3.1915 40 3.7500 3.7500 8 18.7500 18.7500 7 21.4285 21.4285 1 150.0000 150.0000
Table 2. Ranging results
View tableTable 2. Ranging results
Actual distance /m Average ranging result /m Maximum difference /mm 0.25 0.2502 1 0.50 0.5000 0 0.75 0.7490 1 1.00 1.0003 1 2.00 2.0000 0 4.00 4.0000 0 6.00 6.0002 1 8.00 8.0000 0 10.00 10.0000 0 12.00 12.0000 0 14.00 14.0000 0 16.00 16.0006 1 18.00 18.0000 0 20.00 20.0000 0
Tools
Get Citation
Copy Citation Text
Daohua Zhan, Han Wang, Jian Lin, Huiyu Zhong, Yiliang Pan, Xun Chen. Phase Laser Ranging System Based on All-Phase Fourier Transform for Manipulator Positioning[J]. Laser & Optoelectronics Progress, 2023, 60(5): 0512004
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Jan. 18, 2022
Accepted: Mar. 17, 2022
Published Online: Mar. 6, 2023
The Author Email: Xun Chen (xunchen@gdut.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20