Abstract
A Bluetooth beacon-based underground navigation system (BBUNS) was developed to identify the optimal haul road in an underground mine, track the locations of dump trucks, and display this information on mobile devices. A three-dimensional (3-D) geographic information system (GIS) database of the haul roads in an underground mine was constructed, and the travel time for each section was calculated. A GIS database was also constructed for 50 Bluetooth beacons that were installed along the haul roads. An Android-based BBUNS application was developed to visualize the current location of each dump truck and the optimal haul road to the destination on mobile devices, using the Bluetooth beacon system that was installed in the underground mine. Whenever the BBUNS recognized all of the Bluetooth beacons installed in the underground mine, it could provide the dump truck drivers with information on the current location and the two-dimensional (2-D) and 3-D haul road properties. The operating time of each dump truck and the time spent on each unit task could be analyzed using recorded data on the times when Bluetooth beacon signals were recognized by the BBUNS. The underground mine navigation system that was developed in this study can contribute to the improvement of haul operation efficiency and productivity.
Highlights
All over the world, as high-quality ore deposits near ground surfaces have been extensively mined and are almost exhausted, the mining industry is increasingly using large machines to mine low-quality ore deposits at greater depths at mining sites
The operating time of each dump truck and the time spent on each unit task could be analyzed using recorded data on the times when Bluetooth beacon signals were recognized by the beacon-based underground navigation system (BBUNS)
A Bluetooth beacon-based underground navigation system was designed for use in an underground limestone mine
Summary
As high-quality ore deposits near ground surfaces have been extensively mined and are almost exhausted, the mining industry is increasingly using large machines to mine low-quality ore deposits at greater depths at mining sites. MISOM Technologies’ FARA application (2017, Tucson, AZ, USA) [46] recognizes the location of each dump truck using a Bluetooth beacon system in an underground mine and displays the current location and distance to the destination on mobile devices. Purposethat of this study was develop a Bluetooth underground navigation analyze the optimal haul road from the current location to the destination, and display this on a system (BBUNS) that could track the exact location of each dump truck in an underground mine, mobile device. A mobile application was developed to a three-dimensional (3-D) GIS database was constructed for all of its haul roads, and a Bluetooth beacon recognize the current in location of each dump truck in the underground mine using thedeveloped signals that system was installed the underground mine. The results of the field application of this navigation system are presented
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