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Prediction of open-pit mine truck travel time based on LSTM-TabTransformer [PDF]

open access: yesScientific Reports
Truck travel time prediction is the basis for real-time optimal scheduling decision of open-pit trucks. Most prediction models for open-pit truck travel time mainly rely on a single machine learning algorithm or model to optimize the hyperparameters ...
Jingchang Zhao, Lei Gao, Shihao Ren
doaj   +2 more sources

Optimization study on transverse mining zoning during the capacity expansion stage of nearly horizontal open-pit coal mines [PDF]

open access: yesScientific Reports
To address key challenges during the capacity expansion of the Baoqing Chaoyang Open-Pit Coal Mine from 7 to 11 Mt/a—such as insufficient working-line length, excessive advancing intensity, poor coordination between mining zones, elevated internal dump ...
Yu Wen   +5 more
doaj   +2 more sources

On the organization of excavation and transportation equipment in the coal-bearing zones at open pit mines [PDF]

open access: yesE3S Web of Conferences, 2021
One of the essential issues of the benches’ development procedure is the choice of the method of seam development in the complex structure: joint development of rock and coal seams in one complex face or their separate excavation in blocks of 50-100 m in
Tyulenev Maxim   +4 more
doaj   +1 more source

Some peculiarities of excavation of three flat seams strata using draglines [PDF]

open access: yesE3S Web of Conferences, 2021
One of the methods of increasing the efficiency of dragline operation is to optimize their work when mining the end sections of the cuts. This is especially important when the length of the work front is relatively short.
Fedotov Andrew   +3 more
doaj   +1 more source

Open-pit mine slope optimization with the morphology and spatial support effect

open access: yesMeitan kexue jishu, 2023
In order to explore the optimal design method of slope morphology of open-pit coal mine, the south slope of Heishan Open-pit Mine was taken as an engineering example.
Yu ZHANG   +5 more
doaj   +1 more source

Evaluation of Effect of the Excavator Cycle Duration on its Productivity [PDF]

open access: yesE3S Web of Conferences, 2020
Hydraulic excavators currently used at open pit mines, in particular backhoes, are more maneuverable, mobile and have more digging capabilities than rope shovels. This makes them suitable for a variety of conditions: top and bottom digging, loading lower,
Litvin Oleg, Litvin Yaroslav
doaj   +1 more source

Research Progress on Extraction Technology of Rare Earth Elementsfrom Coal Ash

open access: yesKuangchan zonghe liyong, 2023
This is an essay in the field of mining engineering. High-value utilization of rare earths in fly ash can effectively alleviate the environmental pollution caused by fly ash in my country, expand the supply chain of rare earth raw materials, and ensure ...
Zhijuan Gao, Xiangren Wang
doaj   +1 more source

Research on unmanned driving system of mine-used truck

open access: yesGong-kuang zidonghua, 2021
With the deep exploration of large open-pit coal mines, the phenomenon of steep slopes and many bends has gradually increased. Moreover, the mine-used truck driving is difficult and there are hidden safety hazards.
YAN Ling1, HUANG Jiade2
doaj   +1 more source

Periodic preventive maintenance strategy of open-pit mine truck based on age-reduction model

open access: yesMeitan kexue jishu, 2023
In view of high maintenance cost of trucks in the production and transportation of open-pit mine, a combination of periodic preventive maintenance and minor repairs was adopted for truck.
Wenjing LI   +4 more
doaj   +1 more source

Research on intelligent evaluation system of open-pit mine

open access: yesMeikuang Anquan, 2022
In view of the lack of unified standards for the intelligent evaluation system of open-pit mines in our country, the lack of construction basis, evaluation criteria and other key issues in the construction process, research on the intelligent evaluation
GUO Yingjie
doaj   +1 more source

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