Baoli Guo, Jiarui Lin, Mingxin Teng, Rao Zhang, Jigui Zhu. Evaluation Method for Structural Strength of Directional Network of Workshop Measurement and Positioning System[J]. Laser & Optoelectronics Progress, 2025, 62(3): 0312001
- Laser & Optoelectronics Progress
- Vol. 62, Issue 3, 0312001 (2025)
Fig. 1. Schematic diagram of wMPS transmitter structure and mathematical model of single-station measurements. (a) Schematic diagram of the wMPS transmitter structure; (b) mathematical model of single-station measurements
Fig. 2. Schematic diagram of wMPS multi-station measurements
Fig. 3. Schematic diagram of wMPS directional network
Fig. 4. Flowchart of simulating and solving DNSC
Fig. 5. Geometric layout of four directional constraint points. (a)(d) Circular layout; (b)(e) semi-circular layout; (c)(f) scalloped layout
Fig. 6. Effect of change in distance from the constraint point to transmitting station on DNSC. (a) DNSC of layout a; (b) DNSC of layout b; (c) DNSC of layout c
Fig. 7. Impact of number of constraint points on DNSC. (a) DNSC of layout a; (b) DNSC of layout b; (c) DNSC of layout c
Fig. 8. Change of DNSC when transmitting station moves along X-axis. (a) DNSC of layout a; (b) DNSC of layout b; (c) DNSC of layout c
Fig. 9. Change of DNSC when transmitting station moves along Y-axis. (a) DNSC of layout a; (b) DNSC of layout b; (c) DNSC of layout c
Fig. 10. Experimental scene and schematic diagram. (a) Experimental scenes; (b) schematic diagram of scene
Fig. 11. Relative error of uncertainty of pose parameter
Fig. 12. Distance of test point to laser planes under different directional networks. (a) Distance from test point to laser plane 1; (b) distance from test point to laser plane 2
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Table 1. Verification results of pose parameter uncertainty based on different scan angle uncertainties
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Table 2. Verification results of pose parameter uncertainty based on different constraint points number
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Table 3. DNSC for different constraint point layouts
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Table 4. DNSC for different directional networks
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Table 5. Average distance from test point to laser plane based on different directional networks
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