Yanan Ding, Xu Zhang, Zhenguo Xu, Jian Tang. Application of Adaptive Three-Sided Positioning Algorithm in Terminal Building[J]. Laser & Optoelectronics Progress, 2022, 59(2): 0228002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 2, 0228002 (2022)
Fig. 1. System hardware overall architecture diagram
Fig. 2. Schematic diagram of ranging
Fig. 3. Three-side positioning under ranging errors. (a) No-intersection; (b) intersection, and the intersection area is too large
Fig. 4. Distance distribution of base station
Fig. 5. Adaptive three-sided positioning correction process. (a) When the intersection area of three circles is too large; (b) when the three circles do not intersect
Fig. 6. Solution of label position
Fig. 7. Simulation position estimation diagrams. (a) Weighted centroid method to solve the label position map; (b) adaptive three-sided positioning algorithm to solve the tag position
Fig. 8. Distance between the estimated location and the actual location for different labels
Fig. 9. Layout of the base station
Fig. 10. Positioning renderings of each algorithm. (a) Least square method; (b) centroid method; (c) weighted centroid method; (d) adaptive three-sided localization algorithm
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Table 1. Positioning accuracy evaluation of each algorithm under various coordinate axes
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