Results 11 to 20 of about 4,929,230 (276)
LSTM Network-Assisted Binocular Visual-Inertial Person Localization Method under a Moving Base
Applied 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
Design of personnel positioning system for fully mechanized coal face with low power consumption
Meikuang Anquan, 2023 Most of the existing accurate positioning systems for underground personnel adopt UWB positioning technology, which is based on the layout mode of personnel positioning card + positioning substation to achieve centimeter-level high precision positioning.
Xian CHEN, Shu ZHOU
doaj +1 more source
The perplexing problem of persistently PCR-positive personnel
Infection Control & Hospital Epidemiology, 2020 Early in the coronavirus disease 2019 (COVID-19) pandemic, the Centers for Disease Control and Prevention (CDC) published return-to-work criteria for healthcare personnel who had recovered from severe acute respiratory coronavirus virus 2 (SARS-CoV-2) infection.
Henderson, David K. +12 more
openaire +3 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 +1 more source
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
doaj +1 more source
Management System for Precise Location Map of Underground Personnel Based on 3D GIS
Meikuang Anquan, 2020 Aiming at the problems that the spatial performance of underground tunnels in two-dimensional GIS simulation maps of coal mine underground positioning systems is not intuitive and the location of personnel is inaccurate, based on the monitoring data of ...
HONG Yuling
doaj +1 more source
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 +1 more source
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 +1 more source
Status and development trend of mine positioning technology
Gong-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
Research on wearable devices for safety of underground mine personnel
Gong-kuang zidonghua, 2018 In view of problems of low positioning accuracy of underground personnel positioning system and incomplete functions of underground personnel vital signs monitoring system, a wearable device with functions of personnel positioning, falling or lying ...
MA Yujing +4 more
doaj +1 more source