Results 21 to 30 of about 847 (209)

Design of multi-positioning technology protocol fusion positioning system

open access: yesMeikuang 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

Design of physiological indexes monitoring system for underground personnel based on ZigBee

open access: yesGong-kuang zidonghua, 2014
In view of problem that traditional underground personnel monitoring system is usually used for underground personnel positioning and hard to obtain physiological indexes of underground personnel, a physiological indexes monitoring system for underground
HUANG Jianbo, ZHU Zongjiu, XU Hua
doaj   +1 more source

Influence of underground radio wave on human body in coal mine

open access: yesGong-kuang zidonghua, 2022
The large-power radio waves emitted by 5G, WiFi6, UWB, ZigBee and other mine mobile communication systems and personnel and vehicle positioning systems will affect the health of underground personnel.
DING Xuhai   +3 more
doaj   +1 more source

Weighted centroid localization algorithm based on node cooperation in coal mine underground

open access: yesGong-kuang zidonghua, 2018
In view of problems of large attenuation error and low positioning accuracy of personnel positioning signal in underground long-distance roadway, a weighted centroid localization algorithm based on node cooperation was proposed.
ZHAO Tong   +4 more
doaj   +1 more source

Real-time positioning correction algorithm for precise personnel positioning system in underground mine based on topologies of combined mine network and positioning equipment data

open access: yesMeikuang Anquan, 2022
For the problem that the accuracy of personnel positioning in coal mines is susceptible to the calculation errors of the hardware system and complex roadway conditions, which leads to the problem of inconsistency between the calculation results and the ...
ZHOU Xiang, HAN Yannan, ZHOU Jiaxin
doaj   +1 more source

Fusion algorithm of underground personnel positioning based on self-organizing competitive network

open access: yesGong-kuang zidonghua, 2016
In view of problem of big positioning error of underground personnel positioning method based on weighted centroid algorithm, a fusion algorithm of underground personnel positioning based on self-organizing competitive network was proposed. The algorithm
ZHANG Jianying, ZHANG Yuehui, ZHOU Liyu
doaj   +1 more source

Research of algorithm of walking track for underground personnel

open access: yesGong-kuang zidonghua, 2014
For problems that current coal mine personnel positioning system adopts region positioning method, and cannot directly determine exact location and movement direction of underground personnel, an algorithm based on tree structure was proposed, which uses
ZHANG Xuan, LI Chonggui, YANG Fa
doaj   +1 more source

Regional Monitoring Controller Based on Underground Multi-systems

open access: yesMeikuang Anquan, 2020
A regional monitoring controller based on safety monitoring system, personnel positioning system, information guidance publishing system and broadcasting system is designed.
ZHOU Daiyong
doaj   +1 more source

LSTM Network-Assisted Binocular Visual-Inertial Person Localization Method under a Moving Base

open access: yesApplied Sciences, 2023
In order to accurately locate personnel in underground spaces, positioning equipment is required to be mounted on wearable equipment. But the wearable inertial personnel positioning equipment moves with personnel and the phenomenon of measurement ...
Zheng Xu, Zhong Su, Dongyue Dai
doaj   +1 more source

Precise positioning method of underground moving target based on distance measurement technology

open access: yesGong-kuang zidonghua, 2015
In view of problem that the accuracy of existing personnel positioning system is not high and ca't meet demand of precise positioning, a precise positioning method of underground moving target based on distance measurement technology was proposed.
LI Zhengdong, ZHANG Kefan, BAO Jianju
doaj   +1 more source

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