Zobrazeno 1 - 10
of 481
pro vyhledávání: '"Underground coal mine"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 11, Pp 129-140 (2024)
Image feature extraction and matching is a critical technique for video and image stitching, visual localization and navigation in underground coal mines. However, underground tunnelling environmental factors, such as low light, uneven illumination,
Externí odkaz:
https://doaj.org/article/6ab60ce367e64891a9d2f7168f1b43ef
Autor:
Hongwei MA, Hao SU, Xusheng XUE, Chao LI, Yifeng GUO, Xing WANG, Wenjian ZHOU, Wenda CUI, Zukun YU, Jiashuai CHENG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 11, Pp 60-73 (2024)
Aiming at the difficulties of mobile robots in the underground tunnel of a coal mine, such as difficult position sensing and low positioning accuracy due to the influence of the environment, a precise positioning method for mobile robots using laser
Externí odkaz:
https://doaj.org/article/e651e776613041cab1ab5c5760bf7f50
Autor:
Xiaojiao Cheng, Jinsuo Song, Hu Wen, Shixing Fan, Mingyang Liu, Wansheng Mi, Zhijin Yu, Yin Liu, Rijun Li
Publikováno v:
Journal of CO2 Utilization, Vol 90, Iss , Pp 102987- (2024)
Spontaneous gas and coal combustion represent primary disasters threatening the safety of underground coal mines. Achieving the collaborative governance of the two disasters and enhancing the ability to prevent and mitigate mine disasters are technic
Externí odkaz:
https://doaj.org/article/0f2c306d41bc4737a30294786d2db506
Publikováno v:
Meitan xuebao, Vol 49, Iss S1, Pp 472-482 (2024)
The significant demand of coal mine intelligence has put forward some higher requirements for the intelligent perception of underground mobile robots in coal mines, and the Visual Simultaneous Localization and Mapping (VSLAM) is a key technology for
Externí odkaz:
https://doaj.org/article/fd127373220b42d39204f7fb7c0859b7
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 6, Pp 206-215 (2024)
In recent years, coal mine robots have become a research hotspot in the field of modern coal machine equipment, and the main coal flow transportation system of most coal mines has basically realized continuity, mechanization and automation, which als
Externí odkaz:
https://doaj.org/article/38a818c8fe8c4d6cbdf427b8c4b6db45
Autor:
Beijing XIE, Xiaoxu LI, Jingshun ZHANG, Zheng LUAN, Jun LI, Wei CHEN, Ziyao WANG, Xiaoping TANG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 4, Pp 119-130 (2024)
Methane, the second most prevalent greenhouse gas globally, is characterized by its high global warming potential and short atmospheric lifetime. It is primarily emitted from sectors such as coal mining, oil and gas production, agriculture, livestock
Externí odkaz:
https://doaj.org/article/a3863a46792e422a96c69d329ea2cc30
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 3, Pp 35-41 (2024)
Although current small object detection methods have improved the detection performance, they are mostly objected at conventional scenarios. In harsh underground environments in coal mines, there are difficulties in extracting small object feature in
Externí odkaz:
https://doaj.org/article/6d690cef805d4d6dbfc587c7f4fc21e5
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 3, Pp 108-113 (2024)
GB/T 3836.1-2021 Explosive atmospheres-Part 1: Equipment-General requirements stipulates that the threshold power of RF equipment in explosive environments shall not exceed 6 W. This regulation limits the application of high-power RF equipment in coa
Externí odkaz:
https://doaj.org/article/dcbb9c04592f486bb5701da5a3dec2bc
Autor:
Dazhao GU, Zhiguo CAO, Jingfeng LI, Baoyang WU, Yong ZHANG, Binbin JIANG, Qiang GUO, Hanpeng WANG, Yang WU, Xiaomeng SHI, Lujun WANG, Yi YANG, Ersheng ZHA
Publikováno v:
Meitan xuebao, Vol 49, Iss 1, Pp 100-113 (2024)
Coal is the main energy source in China, and the western region in China is the main coal production area. The protection and utilization of coal mine water is the major technical challenge in the coal mining. The coal green mining research team of C
Externí odkaz:
https://doaj.org/article/423ca20f2e76481b86b2b58fe09759bc
Publikováno v:
Complex & Intelligent Systems, Vol 10, Iss 3, Pp 4019-4032 (2024)
Abstract Intelligent monitoring technology plays an important role in promoting the development of coal mine safety management. Low illumination in the coal mine underground leads to difficult recognition of monitoring images and poor personnel detec
Externí odkaz:
https://doaj.org/article/fbadf828f8044ece8bd1964ed170477a