Results 31 to 40 of about 418 (160)

A three machine digital twin and collaborative modeling method for fully mechanized working face

Gong-kuang zidonghua, 2023
The existing coal mine equipment digital twin modeling method mainly focuses on single equipment modeling. It lacks three machine coupling collaborative relationship analysis.
LIU Qing, ZHANG Long, LI Tianyue, DU Pengfei   +3 more
doaj   +1 more source

Research and application of automatic production technology of fully mechanized longwall working face

Meitan kexue jishu
The five procedures in a fully mechanized Longwall working face is coal cutting, coal loading to convey, coal convey out of the Longwall working face, roof supporting and goaf disposal. The fully mechanized mining face equipped with intelligent equipment
Donghui LIAN, Ruifu YUAN, Kefei CUI, Xiang MA, Penghui YUAN, Kun PAN   +5 more
doaj   +1 more source

Study on dynamic modification method of 3D model of coal seam in fully mechanized working face

Gong-kuang zidonghua, 2022
The high-precision coal seam geographic information of fully mechanized working face is the key to realizing intelligent unmanned mining. However, the vertical precision of 3D model of coal seam constructed at this stage is low. The model cannot meet the
LIANG Shua, WANG Shibo, GE Shirong, BAI Yongtai, XIE Yang   +4 more
doaj   +1 more source

Smart Exploration of Perovskite Photovoltaics: From AI Driven Discovery to Autonomous Laboratories

Advanced Energy Materials, EarlyView.
In this review, we summarize the fundamentals of AI in automated materials science, and review AI applications in perovskite solar cells. Then, we sum up recent progress in AI‐guided manufacturing optimization, and highlight AI‐driven high‐throughput and autonomous laboratories.
Wenning Chen, Zheyu Zhang, Kelvian T. Mularso, Bonghyun Jo, Hyun Suk Jung   +4 more
wiley   +1 more source

Research and application of intelligent control technology for dust control parameters in fully mechanized excavation working face of coal mines

Meitan kexue jishu
To address the technical challenge of manually adjusting dust control parameters in long-term the fully mechanized excavation working face, which leads to an inability to sustain optimal dust suppression effects, this paper adopts a research approach ...
Lei SHI, Kui LIU, Yinghua LYU, Xiaobing GONG   +3 more
doaj   +1 more source

Intelligence technology of inverted air current in fully-mechanized workface

Meikuang Anquan, 2022
With the development of intelligent technology and equipment in coal mine, it gets a lot of results in the intelligent ventilation system. However, there are many deficiencies in the catastrophic ventilation system. However, there are few studies on the
ZHANG Jianwei, WANG Yang, MA Ruifeng
doaj   +1 more source

The role of venture‐financed startups in innovation for US agriculture

American Journal of Agricultural Economics, EarlyView.
Abstract To evaluate the role played by startup companies in the innovation ecosystem of US agriculture, we compile a unique dataset of 6024 new entrants founded 1987–2019 that details their financing lifecycles, annual economic performance, and patenting activities.
Gregory D. Graff, Charles A. W. de Grazia, Nicholas E. Rada   +2 more
wiley   +1 more source

Adaptive intelligent cutting technology of the shearer based on the high-precision three-dimensional dynamic geological model

矿业科学学报, 2023
If the shearer is cutting coal using the "memory cutting" technique, a manual demonstration is required.The memory cutting technology has higher requirements on the reserving conditions of coal seams.When the coal seam fluctuates greatly, frequent manual
Hou Yunbing, Zhang Hong, Mao Shanjun, Sun Zhenming, Li Mei, Chen Huazhou   +5 more
doaj   +1 more source

Sustainable Palm Oil Extraction and Trends in the Use of Green Technologies: State‐of‐the‐Art and Future Directions

Journal of the American Oil Chemists' Society, EarlyView.
ABSTRACT Palm oil, which is extracted from the mesocarp of the fruit of the Elaeis guineensis Jacq. palm tree, is the most widely produced vegetable oil in the world. The extraction of this substance typically utilizes the conventional pressing method, a technique that is advantageous due to its low operating cost and simplified process.
Constantino Lucas Queta, Alessandra Lopes de Oliveira, Aline Silva Mello Cesar   +2 more
wiley   +1 more source

Unveiling student sentiment dynamics toward AI‐based education through statistical analysis and Monte Carlo simulation

British Educational Research Journal, EarlyView.
Abstract This study explores the multifaceted dynamics of student sentiment towards artificial intelligence (AI)‐based education by integrating sentiment analysis techniques with statistical methods, including Monte Carlo simulations and decision tree modelling, alongside qualitative grounded theory analysis.
Volkan Duran, Ercümend Ersanlı, Hurinur Çelik   +2 more
wiley   +1 more source