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A combined algorithm for tunnel personnel localization based on error areal division

Author

Listed:
  • Jian Xu
  • Haiying Wang
  • Yiqing Ren
  • Yingzhi Zhang

Abstract

In a tunnel personnel positioning system, the average positioning error is typically used to reflect the precision and accuracy of the positioning algorithm. However, in practical applications, the error areal distribution is generally non-uniform. The positioning errors of some areas are greater than the average positioning errors, which lead to a low positioning accuracy. In this study, based on the simulation of the positioning error areal distributions of the quadrilateral centroid localization and maximum likelihood estimation algorithms, the causes for large positioning errors in upper and lower edges and four corners were analyzed. In addition, a combined localization algorithm based on error areal division was proposed to improve the average positioning accuracy. Thus, the quadrilateral centroid localization algorithm was used for the middle section of the tunnel personnel location area, the maximum likelihood estimation algorithm was used for the upper and lower edges, and the centroid algorithm was used for the four corners. The simulation results show that the average positioning errors of the combined localization algorithm were reduced by 5.56% and 44.76% when compared with those of the quadrilateral centroid localization and maximum likelihood estimation algorithms, respectively, while the maximum positioning error was reduced by 46.45% and 42.81%, respectively.

Suggested Citation

  • Jian Xu & Haiying Wang & Yiqing Ren & Yingzhi Zhang, 2022. "A combined algorithm for tunnel personnel localization based on error areal division," International Journal of Distributed Sensor Networks, , vol. 18(2), pages 15501477211, February.
    • Handle: RePEc:sae:intdis:v:18:y:2022:i:2:p:15501477211065936
    DOI: 10.1177/15501477211065936
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    References listed on IDEAS

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    1. Haiying Wang & Linhao Liang & Jian Xu & Hui She & Wuxiang Li, 2020. "A quadratic weighted centroid algorithm for tunnel personnel positioning," International Journal of Distributed Sensor Networks, , vol. 16(4), pages 15501477209, April.
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