Results 11 to 20 of about 225,477 (288)
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
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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
Design of Uniqueness Detection System for Personnel Positioning
Gong-kuang zidonghua, 2012 For problems that existing uniqueness detection methods for personnel positioning easily did misjudgement and required on-site supervision, the paper proposed a design scheme of uniqueness detection system which combines iris recognition technology and ...
WANG Wei
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Key technologies of personnel positioning system based on wisdom mine platform
Meikuang Anquan, 2021 With the rapid development of information construction, the wisdom mine platform has higher requirements for the capabilities of data interaction and integration in multi-source heterogeneous systems including personnel positioning system.
HU Hongze, DU Zhigang, CHU Nan, LUO Ke
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Underground personnel positioning system based on fingerprint and dead-reckoning
Gong-kuang zidonghua, 2016 In view of problem that RSSI-based fingerprint positioning method is greatly influenced by environment of coal mine tunnel, and localization method based on dead-reckoning is easy to form accumulation of errors, underground personnel positioning system ...
MA Jing +3 more
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Design of mine-used wireless communication and personnel positioning management system
Gong-kuang zidonghua, 2013 For problem of duplication of network deployment of common WiFi communication system and personnel positioning system which both adopt independent network deployment, the paper proposed a design scheme of integrated mine-used wireless communication and ...
SHAO Guo-qiang
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Improvement of Anti-collision Algorithm of Underground Personnel Positioning System
Gong-kuang zidonghua, 2012 In order to solve data collision problem caused by multiple tags sending information to receptor in underground personnel positioning system, an improved algorithm of binary exponential backoff was proposed. The algorithm sets two threshold values by way
CHEN Hong
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Mine personnel position monitoring technology
Gong-kuang zidonghua, 2023 This paper analyzes the technologies of mine ranging and positioning, such as ultrasound, laser, video, inertial navigation, pedometer, and radio.
SUN Jiping
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Meikuang Anquan, 2021 This paper analyzes the development status of wireless positioning technology. On this basis, this paper introduces the current situation of wireless positioning technology in coal mine, and the application of underground positioning system, and focuses
CHANG Lin
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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
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