Zobrazeno 1 - 10
of 667
pro vyhledávání: '"HU QingSong"'
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 10, Pp 21-28 (2024)
Simultaneous localization and mapping (SLAM) is a critical technology for unmanned driving. Existing SLAM methods have the drawbacks of significant cumulative errors and drift in coal mine roadway environment. In this study, a roadway environment fea
Externí odkaz:
https://doaj.org/article/ac86b956d481474aa422f56f27134139
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 6, Pp 128-140 (2023)
The auxiliary transportation system for coal mine is an essential system for transporting personnel, important materials, and equipment in coal mine enterprises. Realizing unmanned driving in coal mine is an inevitable requirement for improving trans
Externí odkaz:
https://doaj.org/article/9c2d8b89e18d44269d630d44ad70dad8
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 5, Pp 39-45 (2022)
Due to the damage of some nodes or obstacles in the post-disaster coal mine Internet of things, network hole would appear to hinder network connectivity. The existing network hole coverage algorithm does not consider the geographical environment fact
Externí odkaz:
https://doaj.org/article/14a2b9f936aa4f1690b086ef598e473b
Autor:
HU Qingsong, WANG Shengnan
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 2, Pp 93-99 (2022)
Mine accidents often lead to partial communication link damage and communication network connectivity deterioration. Using residual nodes and limited new nodes, reconstructing coal mine rescue network by constructing local virtual backbone network ca
Externí odkaz:
https://doaj.org/article/26b0af52b8f64911890ee46341ca3e4d
Publikováno v:
Gong-kuang zidonghua, Vol 47, Iss 3, Pp 1-8 (2021)
The current research on intelligent coal mines focuses on top-level design, theoretical architecture, core technologies, control platforms, construction routes, standard development and evaluation systems, etc. There is no research on the technical r
Externí odkaz:
https://doaj.org/article/7eff4362ef6d4fe18a7d19bc4be6677d
Publikováno v:
Jixie qiangdu, Vol 43, Pp 381-387 (2021)
The design of the self-stabilizing structure is the key to the design and research of semi-submersible unmanned boat,which directly affects the self-stabilization state of the boat in the water. By calculating and adjusting the center of gravity and
Externí odkaz:
https://doaj.org/article/bfab8596b5084f49942f540472c64f06
Publikováno v:
Gong-kuang zidonghua, Vol 47, Iss 1, Pp 1-8 (2021)
Mine moving target positioning system provides location-based services for intelligent construction of coal mines. However, most of the traditional mine positioning systems use single or combined communication technologies between positioning beacons
Externí odkaz:
https://doaj.org/article/f8654145c2d24370841945e469837200
Publikováno v:
Gong-kuang zidonghua, Vol 46, Iss 7, Pp 16-27 (2020)
Due to the existence of obstacles, none-line-of-sight(NLOS) propagation is common in localization scenes like mines, which causes refraction, reflection, diffraction and scattering of localization signals, leads to the increase of ranging error, and
Externí odkaz:
https://doaj.org/article/28052e630ee74571acfc7d86cc6d3c2f
Publikováno v:
Gong-kuang zidonghua, Vol 46, Iss 3, Pp 63-68 (2020)
Underground WLAN location fingerprinting personnel positioning system mainly realizes overall division of location fingerprinting samples through clustering algorithm, but existing clustering algorithm only carries out the clustering division accordi
Externí odkaz:
https://doaj.org/article/bf8ca30a6e284506b771ea3d9604eef4
Autor:
Hu Qingsong, Zhang Liang
Publikováno v:
Dianzi Jishu Yingyong, Vol 44, Iss 4, Pp 122-125 (2018)
In view of the fact that the traditional method is not expanding well in human behavior recognition, this paper proposes a serialization research idea. A sequence which can represent the dynamic action is generated by using SVM to train and recognize
Externí odkaz:
https://doaj.org/article/7759f4e440fa4cebb36e06c02e3a50b0