Nonlinear torsional vibration analysis of shearer semi-direct drive cutting transmission system subjected to multi-frequency load excitation

W Du, W Li, S Jiang, L Sheng, Y Wang - Nonlinear Dynamics, 2023 - Springer
The cutting transmission system is always subjected to multi-frequency load excitation due
to the complicated working conditions of shearer. Under this condition, the multi-frequency …

Failure analysis of super-large mining height powered support

Z Meng, Q Zeng, K Gao, S Kong, P Liu… - Engineering Failure …, 2018 - Elsevier
In order to study the support failure mechanism of a super-large mining height powered
support, a mathematical model of the load carrying capability area (LCCA) under various …

Shearer parameter optimization and low energy consumption mining based on 3D point cloud characterization of coal wall

H Wang, X Fan, M Huang - Energy Science & Engineering, 2024 - Wiley Online Library
To achieve efficient and low energy consumption mining under different cutting depths of a
shearer, a multiparameter coupling optimization method for the shearer based on three …

Исследование динамики нагружения регулируемого электропривода очистного комбайна

ДМ Шпрехер, ГИ Бабокин, ЕБ Колесников… - Известия Тульского …, 2020 - cyberleninka.ru
Разработана математическая модель очистного комбайна с встроенной системой
подачи и системой автоматического регулирования (САР) с ПИ регулятором. САР …

Effect of Gangue Distributions on Cutting Force and Specific Energy in Coal Cutting.

K Jiang, K Gao, L Wan - Journal of Mechanical Engineering …, 2020 - search.ebscohost.com
Coal consists of diverse materials, and gangue is one of the most common ones. At present,
most mathematical models about cutting force and specific energy in the cutting process …

An improved model predictive torque control strategy of a shearer semi-direct permanent magnet synchronous motor based on duty cycle

W Du, W Li, E Lu, L Sheng, Y Chen, S Jiang - Journal of Electrical …, 2021 - Springer
In order to improve the stability of low-speed and high-torque permanent magnet
synchronous motor control in the shearer semi-direct cutting system under large load …

Shearer height adjustment based on mechanical-electrical-hydraulic cosimulation

K Gao, Z Meng, K Jiang, H Zhang, Q Zeng - IEEE Access, 2020 - ieeexplore.ieee.org
The automatic height adjustment of a shearer cutting drum is a key technology for shearer
automation. However, a fundamental and important requirement for underground electronic …

Investigation of possibility to stabilize load current of shearer's cutting electric drive

DM Shprekher, EB Kolesnikov… - 2020 International …, 2020 - ieeexplore.ieee.org
A mathematical model of a shearer-loader with an integrated forward motion drive and an
automatic control system (ACS) with a PI controller has been developed. It is shown that …

采煤机开采作业机电液一体化虚拟仿真平台设计.

王骁 - Journal of Mine Automation, 2019 - search.ebscohost.com
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Исследование системы автоматического регулирования нагрузки электропривода резания очистного комбайна

ДМ Шпрехер, ГИ Бабокин, ЕБ Колесников… - Известия высших …, 2020 - elibrary.ru
Разработана математическая модель очистного комбайна (ОК) со встроенной
системой подачи и системой автоматического регулирования (САР) нагрузки …