A Wireless Sensor Network Based Personnel Positioning Scheme in Coal Mines with Blind Areas
Sensors, 2010 This paper proposes a novel personnel positioning scheme for a tunnel network with blind areas, which compared with most existing schemes offers both low-cost and high-precision.
Shaobo Geng +5 more
doaj +2 more sources
Underground Personnel Positioning Method Based on Self-training and NLOS Suppression
Taiyuan Ligong Daxue xuebao[Purposes] The research of precise location of underground personnel in coal mine is of great significance to protect their life safety. The ultra-wideband signal is susceptible to non-lineof- sight (NLOS) interference, which will seriously affects the ...
SHAO Xiaoqiang +5 more
doaj +2 more sources
Design of Wireless Tracking and Positioning System of Underground Personnel Based on WiFi and ZigBee
Gong-kuang zidonghua, 2011 In order to solve problems of high cost, complex installation and limitation of zone location of current mine personnel positioning system, the paper put forward a design scheme of wireless tracking and positioning system of underground personnel based ...
JIANG Lei +3 more
doaj +1 more source
Research of Routing Algorithm of Mine Personnel Positioning System Based on ZigBee
Gong-kuang zidonghua, 2010 According to characteristics of mine personnel positioning system and ZigBee, the paper put forward a method of regional networking approach of mine personnel positioning system based on ZigBee, designed a clustering routing algorithm named FEECP, and ...
GAO Yua
doaj +1 more source
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 +1 more source
Design of mine vehicle mounted card reader based on UWB and low frequency wake-up
Meikuang Anquan, 2023 In view of the problems such as inaccurate real-time positioning, misreading, lost track and inability to count the number of passengers in the compartment at present, which are affected by faster vehicle speed and metal shielding in the compartment ...
ZHANG Ziliang
doaj +1 more source
Positioning technology for stepwise underground robots [PDF]
, 2003 Pipeline robots, borehole robots or exploring robots that work in underground environments can be classified as underground robots. When an underground robot takes a task, tracing and mapping the track of the robot is very important.
Li, Wei
core +6 more sources
Usability of a gamified antibiotic resistance awareness mobile application: A qualitative evaluation
IET Networks, EarlyView., 2022 The purpose of this study is to reveal the findings from the usability evaluation of an antibiotic resistance awareness app (SEDAR) app and present the necessary critical revisions made to improve the usability further. This study adopted guerrilla testing, observation, and retrospective probing methods to evaluate the usability of the SEDAR app ...
Ummul Hanan Mohamad +2 more
wiley +1 more source
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 +1 more source
Design of multi-positioning technology protocol fusion positioning system
Meikuang Anquan, 2021 Aiming at the problem that the underground positioning of coal mine mostly depends on RFID positioning technology, and the upgrade cost of accurate positioning is high, a multi-positioning technology protocol fusion positioning system is proposed.
LIU Yahui
doaj +1 more source