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A review of positioning technologies for personnel and equipment in underground mines
International Journal of Digital EarthAs the global emphasis on mineral resource extraction gradually shifts to deeper underground locations, accurately positioning underground personnel and equipment is crucial for the sustainable development of mining operations.
Hu Liu +7 more
doaj +4 more sources
Research on improved PDR algorithm for underground personnel positioning
Gong-kuang zidonghua, 2021 As the traditional pedestrian dead reckoning (PDR) algorithm being used for underground personnel positioning, the positioning error gradually increases due to the cumulative error of the step frequency detection, step length estimation and heading ...
SUN Yanxin +3 more
doaj +2 more sources
Research on positioning algorithm of underground personnel based on UWB
Gong-kuang zidonghua, 2022 Aiming at the requirement of high real-time and high precision personnel positioning in underground mine, the positioning algorithm of underground personnel based on ultra wide band (UWB) is studied.
HE Lei +5 more
doaj +2 more sources
Application of Kalman filter in underground personnel tracking and positioning
Gong-kuang zidonghua, 2013 In view of problem that RSSI location algorithm does not have continuity in positioning process, the paper proposed an underground personnel positioning method with continuity based on Kalman filter.
LUO Yu-feng, LIU Yong, LI Fang
doaj +2 more sources
Underground personnel positioning system based on ultra wideband technology
Gong-kuang zidonghua, 2014 In view of problems of short transmission distance, poor anti-multipath effect and low positioning accuracy existed in current underground personnel positioning technologies, an underground personnel positioning system was proposed by use of ultra ...
LIU Shulun, WANG Shuse
doaj +2 more sources
Gong-kuang zidonghua, 2022 The traditional pedestrian dead reckoning (PDR) algorithm has low positioning precision due to the accumulated errors of step size and heading, which can not meet the requirements of precise positioning of underground personnel.
GUO Qianqian +4 more
doaj +2 more sources
Design of a new type of combined underground personnel positioning system
Gong-kuang zidonghua, 2014 In view of problems that current underground personnel positioning has low accuracy, cannot realize real-time global positioning and it is difficult to search and rescue trapped people, a combined underground personnel positioning system based on ...
LIU Yong +3 more
doaj +2 more sources
Gong-kuang zidonghua, 2023 When the underground personnel positioning system's firmware is upgraded using the wireless in-application programming (IAP) mode, the mark card can not be used normally, the upgrade efficiency is low and the security is not high.
ZHANG Lifeng, BAO Jianjun, JIN Yeyong
doaj +2 more sources
Research on a wireless positioning algorithm for underground personnel
Gong-kuang zidonghua, 2020 For problems that traditional underground fingerprint positioning algorithm needs to collect a large number of fingerprint data and positioning accuracy is not high, a wireless positioning algorithm for underground personnel based on differential ...
LIU Xia +6 more
doaj +2 more sources
Personnel precise positioning system of coal mine underground based on UWB
Journal of Physics: Conference Series, 2021 Abstract For short positioning distance, low positioning accuracy and location data jumping of personnel positioning system of coal mine based on Bluetooth, WiFi, RFID, Zigbee and so on, a precise positioning system was proposed which is based on UWB technology.
exaly +2 more sources