Recent advancements in IoT implementation for environmental, safety, and production monitoring in underground mines

H Zhang, B Li, M Karimi, S Saydam… - IEEE Internet of Things …, 2023‏ - ieeexplore.ieee.org
Internet of Things (IoT) technology has been widely used for real-time monitoring of the
environment, safety, and production in underground mines. This article presents the basic …

NLOS identification and mitigation for time-based indoor localization systems: survey and future research directions

RE Nkrow, B Silva, D Boshoff, G Hancke… - ACM Computing …, 2024‏ - dl.acm.org
One hurdle to accurate indoor localization using time-based networks is the presence of
Non-Line-Of-Sight (NLOS) and multipath signals, affecting the accuracy of ranging in indoor …

PSOSVRPos: WiFi indoor positioning using SVR optimized by PSO

J Bi, M Zhao, G Yao, H Cao, Y Feng, H Jiang… - Expert Systems with …, 2023‏ - Elsevier
Wireless fidelity (WiFi) indoor positioning has attracted the attention of thousands of
researchers. It faces many challenges, and the primary problem is the low positioning …

A review on non-RF underground positioning techniques for mining applications

M Zeeshan, M Chavda, KM Ehshan… - IEEE Transactions …, 2023‏ - ieeexplore.ieee.org
Positioning systems are widely used to determine the location of objects or individuals in a
given environment. In underground mines, these systems are used to track the location of …

Parallel perception of autonomous vehicle in degraded coal mines

J Yang, Y Tong, S Ge, W Luo, Q Huang… - IEEE Transactions …, 2024‏ - ieeexplore.ieee.org
The working environment in coal mines is complex and constantly changing. Harsh
conditions, such as narrow passageways, irregular road shapes, and unpredictable …

Smart microgrid energy market: Evaluating distributed ledger technologies for remote and constrained microgrid deployments

LPI Ledwaba, GP Hancke, SJ Isaac, HS Venter - Electronics, 2021‏ - mdpi.com
The increasing strain on ageing generation infrastructure has seen more frequent instances
of scheduled and unscheduled blackouts, rising reliability on fossil fuel based energy …

[HTML][HTML] A novel fusion denoising algorithm of spectral subtraction and Wiener filtering for MEMS magnetic signal in PDR positioning

M Li, J Wang, L Guo, Q Meng, M Li, J Hou - Alexandria Engineering Journal, 2023‏ - Elsevier
PDR positioning is currently the core issue of autonomous positioning, there is a problem of
high noise and interference in dynamic measurement using PDR (Pedestrian Dead …

Distributed high-density anchor (cable) support force monitoring system research

L Wang, K Sun, J Qi, R Yuan - Electronics, 2024‏ - mdpi.com
In shaft mining, monitoring the deformation of the roadway due to mining pressure is of great
significance to the safe production of coal mines. For this reason, a distributed high-density …

Wi-fi fine time measurement: Is it a viable alternative to ultrawideband for ranging in industrial environments?

NR Elikplim, B Silva, G Hancke… - IEEE Industrial …, 2022‏ - ieeexplore.ieee.org
Time-based ranging approaches have long been used for indoor positioning due to their
reliability and accuracy. Two-way ranging (TWR) with ultrawideband (UWB) has often been …

A K-nearest neighbor indoor fingerprint location method based on coarse positioning circular domain and the highest similarity threshold

X Li, Z Dai, L He - Measurement science and technology, 2022‏ - iopscience.iop.org
There are two problems with traditional indoor fingerprint location methods. First, irrelevant
fingerprints in a fingerprint database interfere with the matching phase, which leads to poor …