Zobrazeno 1 - 10
of 88
pro vyhledávání: '"LongJun Wang"'
Autor:
Xianhao Lu, Longjun Wang
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 5, Pp 1532-1544 (2024)
With the increasing integration of renewable energy into power grids, ensuring the stability and reliability of power grids has become crucial. The intermittency of renewable energy poses a challenge for the frequency and voltage control of power gri
Externí odkaz:
https://doaj.org/article/255874fa84724e2492acee176726b328
Autor:
Chunling Guo, Jianchao Liu, Guomin Fu, Lijun Chen, Feng Wang, Zhe Huang, Li Qiao, Longjun Wang
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-17 (2023)
Abstract In the setting of the increasing density of exploration wells, and the decreasing scale and increasing difficulty of discovering Jurassic paleogeomorphology reservoirs, it is urgent to deepen the fine depiction of pre-Jurassic paleogeomorpho
Externí odkaz:
https://doaj.org/article/23df59bee6204083bb9cb31d42091510
Autor:
Chen Zisheng, Sun Chuanxiang, Zhaozhi Xu, Longjun Wang, Ya Qu, Weijuan Zhang, Yunlong Yue, Junfeng Kang
Publikováno v:
Ceramics-Silikáty, Vol 67, Iss 2, Pp 198-206 (2023)
In this work, glass fibres with red mud, as the main raw material, were prepared. The effect of the iron oxide content on the structure and alkali resistance of the glass fibres was studied by XPS, FT-IR, DSC, SEM-EDS, while the tensile strength and
Externí odkaz:
https://doaj.org/article/5e68417d9193411bb2832ba3829ef9b6
Publikováno v:
Geofluids, Vol 2023 (2023)
The tiny sizes of pores and throats in shale gas reservoir increase the complexities of the flow mechanisms, which challenge the accuracy of current productivity models during optimization design and prediction for multistage fractured horizontal wel
Externí odkaz:
https://doaj.org/article/35f229092a224a4e8d3cceb2dd729c34
Publikováno v:
IEEE Access, Vol 8, Pp 205836-205847 (2020)
As the grid-connected AC-DC converter is the key equipment that links the low voltage direct current (LVDC) microgrids and the utility grid, the safe and stable operation of the converter is of great significance to improve the reliability of the LVD
Externí odkaz:
https://doaj.org/article/aa9873a7a4f8420f9e4174f501f7ab7b
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
With the development of the petroleum industry, the importance of low-permeability reservoirs becomes clear. The fracture, which serves as the notable characteristic of a low-permeability reservoir, controls the flow system of reservoir fluid and res
Externí odkaz:
https://doaj.org/article/621835c649ab4cb98f786bec9d0f23f2
Publikováno v:
IEEE Access, Vol 7, Pp 80829-80839 (2019)
While unmanned aerial vehicles (UAVs) facilitate transmission line inspection to some extent, they also generate numerous raw images rather than defect analysis results. Because analyzing the UAV-taken images by a human approach is an arduous work, a
Externí odkaz:
https://doaj.org/article/080001734daa4d5f9c84b20f8211182d
Publikováno v:
Energies, Vol 13, Iss 18, p 4640 (2020)
With many advantages, modular multilevel convert (MMC) has been extensively used in high and medium voltage power transmission projects. The thermal performance and reliability of components in MMC are key issues in system operation. However, in the
Externí odkaz:
https://doaj.org/article/d727e575fb184532a337573945615220
Publikováno v:
Energies, Vol 13, Iss 5, p 1219 (2020)
Widely used distribution generations (DGs) and energy storage systems (ESSs) enable a distribution system to have a more flexible fault reconfiguration capability. In order to enhance the service reliability and the benefit of distribution networks w
Externí odkaz:
https://doaj.org/article/26ed023d3e284b5d94d40e9d354fb2b2
Publikováno v:
Applied Sciences, Vol 10, Iss 2, p 676 (2020)
Applying computer vision to mobile robot navigation has been studied for over two decades. One of the most challenging problems for a vision-based mobile robot involves accurately and stably tracking a guide path in the robot limited field of view un
Externí odkaz:
https://doaj.org/article/b59ee5c90d3c4e52909da1277c3d7f3d