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Research and design of high-precision positioning and navigation system suitable for underground space

Authors

Bao,  Yachuan
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Xi,  Yuzhang
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Yang,  Menghuan
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Yu,  Baoguo
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Wang,  Zhi
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Bao, Y., Xi, Y., Yang, M., Yu, B., Wang, Z. (2023): Research and design of high-precision positioning and navigation system suitable for underground space, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-2543


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019360
Abstract
The underground space represented by coal mines, subways, comprehensive pipe corridors, etc. is in rapid development, and the demand for high-precision positioning and navigation for unmanned and intelligent underground space is increasing. The narrow and closed physical structure and complex channel characteristics of the underground space bring great challenges to high-precision positioning and navigation. The problems and challenges are analyzed in depth, and a high-precision positioning and navigation system suitable for complex underground space is designed in the paper. The system adopts a network +map + terminal architecture, and builds a hybrid positioning network based on the new UWB, Beidou pseudo-satellite, near-ultrasonic positioning systems to achieve the full scene coverage of underground space. Efficient and intelligent positioning and navigation services are realized through network map fusion support. Partial test results are given. Compared with the commonly used radio position system, it has achieved significant improvement in accuracy and coverage.