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Journal of the Southern African Institute of Mining and Metallurgy
versão On-line ISSN 2411-9717
versão impressa ISSN 2225-6253
Resumo
CUI, Y.; LIU, S. e LIU, Q.. Navigation and positioning technology in underground coal mines and tunnels: A review. J. S. Afr. Inst. Min. Metall. [online]. 2021, vol.121, n.6, pp.295-303. ISSN 2411-9717. http://dx.doi.org/10.17159/2411-9717/1065/2021.
To reduce the frequency of mining incidents and improve safety and production efficiency, it is important to develop technology for the autonomous positioning and navigation of mining equipment, without the assistance of satellite navigation signals. In this study we review the current technological environment for positioning and navigation underground and present several integrated navigation strategies. Existing underground positioning and navigation technology is described, and the performances of different methods based on this technology analysed and compared. The combination types and positioning effects of underground positioning and navigation strategies are discussed. Recent research directions for filtering methods and positioning estimation algorithms for underground positioning and navigation are reviewed. Finally, we summarize the future direction of underground positioning and navigation technology and related algorithms.
Palavras-chave : coal mining; underground positioning and navigation; integrated navigation strategy; inertial navigation; positioning algorithms.