Results 11 to 20 of about 847 (209)

Research on positioning algorithm of underground personnel based on UWB

open access: yesGong-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   +1 more source

Application of Kalman filter in underground personnel tracking and positioning

open access: yesGong-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

open access: yesMeikuang 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

Underground personnel and equipment location system based on iBeacon technology

open access: yesGong-kuang zidonghua, 2016
In order to solve the positioning problem of underground personnel and equipment, positioning principles and algorithms of iBeacon indoor positioning technology were deeply analyzed, and a design scheme of underground personnel and equipment location ...
ZHANG Hang, SUN Xiaoyu, TIAN Fengliang
doaj   +1 more source

Application status and development direction of wireless positioning technology and system in underground coal mine

open access: yesMeikuang 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
doaj   +1 more source

Two-dimensional accurate personnel positioning method in underground coal mine based on Kalman filter

open access: yesGong-kuang zidonghua, 2018
Due to affects of clock synchronization error, clock timing error, multipath effect, not line of sight (NLOS)delay error, electromagnetic disturbance between positioning substation and positioning card, it has large positioning error in the existing ...
SUN Zhexing, WANG Yanwen
doaj   +1 more source

Design of personnel positioning system in coal mine underground based on MEMS sensor

open access: yesGong-kuang zidonghua, 2018
For problems of low positioning accuracy and high cost existed in current underground personnel positioning system, a personnel positioning system in coal mine underground based on MEMS sensor was designed.
ZHAO Yue, LAN Ying, QU Xian
doaj   +1 more source

Usability of a gamified antibiotic resistance awareness mobile application: A qualitative evaluation

open access: yesIET 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

Status and development trend of mine positioning technology

open access: yesGong-kuang zidonghua, 2018
Common mine positioning technologies were analyzed from aspects of positioning methods and wireless communication technologies, and application of the mine positioning technologies in personnel positioning system and equipment proximity detection were ...
HUO Zhenlong
doaj   +1 more source

Design of a new type of combined underground personnel positioning system

open access: yesGong-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

Home - About - Disclaimer - Privacy