Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Runxin Zhang"'
New mode and key technology of series drive of multiple permanent magnet motors for scraper conveyor
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 2, Pp 238-252 (2024)
Intelligent equipment is an inevitable trend for the high-quality development of the coal industry, With the construction of super high mining height and super long working face in coal mine, scraper conveyor has been developing towards heavy and lon
Externí odkaz:
https://doaj.org/article/383b49a7ea204617a3fe34c5eaebecc9
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 5, Pp 1-13 (2024)
As the Internet of Things (IoT) becomes increasingly prevalent, there is a surge in wireless-connected devices. In this context, one technique that has garnered significant attention is visible light communication (VLC) due to its ultra-wide and lice
Externí odkaz:
https://doaj.org/article/f5b8e55bb3574c869484284fe333e8dd
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 1376-1386 (2024)
Visible light communications (VLC) utilizing LEDs for transmissions have been widely considered a revolutionary solution for next-generation networks such as 6G. Frequency response (FR) is of great importance for LEDs, but the inherent internal quant
Externí odkaz:
https://doaj.org/article/e007cfa86e3742ba933089e3e7f28ae3
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 1, Pp 1-10 (2024)
Visible light communications (VLC) has experienced rapid development in recent years as a strong competitor for next-generation wireless applications due to its wider bandwidth, higher security, and better electromagnetic immunity compared with conve
Externí odkaz:
https://doaj.org/article/0117f61e073649a48ee3e17b1530a76b
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 11, Pp 179-189 (2023)
Auger drilling tool is widely used in mining, exploration and security and other fields, is an important part of mine equipment, aiming at the best cutting speed and conveying speed of drill tool mismatch. In this paper, a new type of separated drill
Externí odkaz:
https://doaj.org/article/5a25c586e5a24224be5bd0d0c0d6ead3
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4191 (2024)
Social psychological studies show that people’s explicit attitude bias in public expression can differ from their implicit attitude bias in mind. However, the current automatic attitude analysis does not distinguish between explicit and implicit at
Externí odkaz:
https://doaj.org/article/bbabec4782f24063bf4baee976fb0e48
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-10 (2023)
Visible light communications (VLC) is a good candidate technology for the 6th generation (6G) wireless communications. Red, green, and blue (RGB) light-emitting diodes (LEDs) based VLC has become an important research branch due to its low price and
Externí odkaz:
https://doaj.org/article/a8813515694a4cdca1e7d03d98927087
Publikováno v:
Photonics, Vol 10, Iss 1, p 23 (2022)
The key difference between visible light communication (VLC) and radio frequency (RF) communication is the former’s line-of-sight (LOS) transmission nature, and hence a relay node has to be adopted for VLC to extend its coverage. Physical-layer net
Externí odkaz:
https://doaj.org/article/41a5e511bef44aa895857f693b9d2f67
Publikováno v:
E3S Web of Conferences, Vol 303, p 01024 (2021)
In order to study the dynamic characteristics of the shearer with large mining height of 8.8 m under Oblique cutting, the spatial mechanical model of the Shearer under oblique cutting was established, the angle between the drum and the working face,
Externí odkaz:
https://doaj.org/article/bc036cc37635484f8070ae39aa135fd1
Publikováno v:
Mechanics. 28:301-307
Rock bursts are a frequent occurrence in deep coal mining, and reducing the risk of rock bursts is necessary for the safe and efficient mining of coal. As honeycomb structures have good impact resistance, the design suggests that a honeycomb structur