Results 21 to 30 of about 2,817 (247)

Research of wireless power supply system for automatic long-distance inspection winch

open access: yesGong-kuang zidonghua, 2016
For power supply problem of coal mine winch, a wireless power supply system for automatic long-distance inspection winch was designed. The wireless power supply mode of the system was introduced in details. Conclusions gotten by theoretical analysis were
XIA Chenyang   +8 more
doaj   +1 more source

AQ 6201-2017 General Technical Requirements of Coal Mine Safety Monitoring System (draft for approval)

open access: yesGong-kuang zidonghua, 2017
The standard stipulates product classification, general requirements, environmental conditions, power supply, system design requirements, basic functions, software functions, main technical indexes, transmission performance, power fluctuation ...
SUN Jiping
doaj   +1 more source

Feasibility study of using cogeneration plants at Kuzbass coal mines

open access: yesЗаписки Горного института, 2023
The paper considers the problem of reducing greenhouse gas emissions in the process of coal mining during the coal mine methane utilization in power supply systems.
Fedor S. Nepsha   +3 more
doaj   +1 more source

Development of an Algorithm for Reducing Accidents in the External Power Supply System of Kuzbass Coal Mines [PDF]

open access: yesE3S Web of Conferences, 2021
One of the most important areas is to ensure the required reliability of power supply to coal mining enterprises. This problem is associated with the high hazard due to accidents at coal mines.
Belyaevsky Roman, Gerasimenko Alexey
doaj   +1 more source

Research on explosion-proof technology for coal mine rescue robot

open access: yesGong-kuang zidonghua, 2019
The paper introduced general situation of explosion-proof technology of coal mine rescue robot, and summarized the research status and application of explosion-proof technology of coal mine rescue robot at home and abroad, and pointed out some progress ...
ZHENG Xuezhao   +3 more
doaj   +1 more source

Development of integrated intelligent backup power supply

open access: yesGong-kuang zidonghua, 2016
In view of problems of low power supply reliability, poor anti-interference ability and inconvenient extension of backup battery capacity existed in coal mine underground distributed power supply, an integrated intelligent back-up power supply was ...
CHEN Xiangyua
doaj   +1 more source

The Development of Coal Mine Methane Utilization Infrastructure within the Framework of the Concept “Coal-Energy-Information”

open access: yesEnergies, 2022
The operation of coal mines is intricately linked with emitting a large quantity of coal mine methane, and in most cases, this methane releases into the atmosphere.
Arina Smirnova   +4 more
doaj   +1 more source

Design of a Novel Underground Coal Mine 127V Power Supply

open access: yesIOP Conference Series: Materials Science and Engineering, 2018
In view of the current disadvantages of the large size, high cost and low power factor of custom transformers in China's coal mine 127V power supply system, a novel type of unit-power factor rectifier based on OCC (One-Cycle Control) is proposed to supply the underground coal mine lighting system.
Jinqi Liu   +4 more
openaire   +1 more source

Research status and development trend of coal mine rescue robot

open access: yesGong-kuang zidonghua, 2019
The research status and application of power system, explosion-proof design, multi-parameter monitoring and communication system of coal mine rescue robots at home and abroad were introduced, and the existing problems of coal mine rescue robots, such as ...
ZHENG Xuezhao   +3 more
doaj   +1 more source

Is an Apple an Orange? A Large Language Model Benchmark for Candidate Term Extraction and Subclass Decisions Against Upper Ontologies in Engineering and Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Building machine‐readable vocabularies for materials science is slow, expert‐driven work. This study benchmarks 13 large language models on two of its first steps: finding candidate terms in engineering articles and deciding where they belong in a class hierarchy.
Thomas Bjarsch   +3 more
wiley   +1 more source

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