Results 1 to 10 of about 3,284,104 (188)

Research on an Intelligent Mining Complete System of a Fully Mechanized Mining Face in Thin Coal Seam

Sensors, 2023
The mining environment of thin coal seam working faces is generally harsh, the labor intensity is high, and the production efficiency is low. Previous studies have shown that thin coal seam mining finds it difficult to follow machines, does not have ...
Bo Ren, Ke Ding, Lianguo Wang, Shuai Wang, Chongyang Jiang, Jiaxing Guo   +5 more
doaj   +5 more sources

Research on the Parameter Prediction Model for Fully Mechanized Mining Equipment Selection Based on RF-WOA-XGBoost

Applied Sciences
Fully mechanized mining equipment is core to the coal mining process. The selection process for this type of equipment is complex and heavily relies on experts’ experience for determining equipment parameters.
Yue Wu, Wenlong Sang, Xiangang Cao, Longlong He   +3 more
doaj   +5 more sources

Research on the Mechanism and Control of Spalling on 8 m Fully Mechanized Mining Face in Huoxi Coalfield

Applied Sciences
The great success of fully mechanized mining with a large mining height of 8 m and above in Mongolia and Shaanxi proves the feasibility of this technology. Although fully mechanized mining with a large mining height significantly increases the production
Lin Meng, Mei Wang, Chenlong Wang, Yongkang Yang   +3 more
doaj   +5 more sources

Joint Decision-Making Model for Production Planning and Maintenance of Fully Mechanized Mining Equipment

IEEE Access, 2021
With the development of complex and intelligent sizeable mechanical equipment, the conflict between maintenance and production is becoming increasingly severe, restricting coal mine enterprises’ production and development.
Xiangang Cao, Pengfei Li, Yong Duan
doaj   +4 more sources

A virtual test and evaluation method for fully mechanized mining production system with different smart levels

International Journal of Coal Science & Technology, 2022
A smart fully mechanized coal mining working face is comprised of various heterogeneous equipment that work together in unknown coal seam environments.
Jiacheng Xie, Fuxiang Ge, Tao Cui, Xuewen Wang   +3 more
doaj   +3 more sources

Research on fully mechanized mining equipment removal planning during sequencing working face

Gong-kuang zidonghua, 2022
The current fully mechanized mining equipment removal plan during sequencing working face mainly depends on manual preparation. The large workload and low efficiency lead to the extension of the construction period.
SHI Menghan, ZHU Weibing, REN Haibing
doaj   +2 more sources

Intelligent Monitoring and Dynamic Regulation Equipment and Software Development for the Equal-Pressure Fully Mechanized Mining Face in the Sandaogou Coal Mine. [PDF]

Sci Rep
The coal seams mined in the Sandaogou Coal Mine are characterized by shallow burial depth, high susceptibility to spontaneous combustion, and near-horizontal occurrence.
Wang Z, Liu L, Yuan Q, Li W, Wang D, Zhao D, Li Y, Pan J, Qiu C.   +8 more
europepmc   +2 more sources

Residual Life Prediction of Bearings Based on SENet-TCN and Transfer Learning

IEEE Access, 2022
Accurate bearing remaining life prediction guarantees safety and continued profitability for the industry. Variable operating conditions of the bearing and difficulty in obtaining corresponding data labels in the industry result in low prediction ...
Yan Wang, Hua Ding, Xiaochun Sun
doaj   +1 more source

A Study on the Predictive Maintenance Method of Fully Mechanized Mining Equipment based on Cost and Time Factors

, 2021
In view of the problems of excessive maintenance and insufficient utilization of equipment service life caused by preventive maintenance of fully mechanized mining equipment with fixed cycle, a predictive maintenance method is proposed.
Xiangang Cao, Tian-Bo Xu, You-Jun Zhao, Jiangbin Zhao, Yan Wang   +4 more
semanticscholar   +1 more source

Dynamic recrystallization and twinning behavior of magnesium alloy during hot tension

Journal of Materials Research and Technology, 2023
In this study, {10–12} tensile twins (TTs) were induced in hot-rolled AZ31 Mg sheets via hot tension along the normal direction. The results demonstrate that the volume fraction of TTs at 2 mm/min is greatly lower than their counterparts at 0.5 mm/min at
Xiong Xu, Huihui Nie, Jun Zhou, Hongyang Zhang, Zhijian Li, Yangyang Yang, Hongsheng Chen, Tiantian Yang   +7 more
doaj   +1 more source