Results 11 to 20 of about 11,175 (263)

High-Precision Positioning Method of Coal Shearer in the Underground Environment Based on Rail Kinematics Model

open access: yesIEEE Access, 2021
The high-precision positioning of the shearer is the key technology to realize the automation of longwall mining. Since mine is a Global Position System (GPS)-denied environment, highly autonomous Inertial Navigation System (INS)/odometer integrated ...
Xiaowei Xu   +5 more
doaj   +1 more source

Research of automatic control method of shearer in machinery-tracked automatio

open access: yesGong-kuang zidonghua, 2014
The paper gave structure of automatic control system of shearer. It introduced realization of automatic control of the shearer, that is to realize coal cutting process of the shearer in one sampling interval length through using full cutting depth ...
LI Jun, LIN Fuya
doaj   +1 more source

Research status and prospect of shearer positioning technology on fully mechanized coal mining face

open access: yesGong-kuang zidonghua, 2017
On the basis of development status of shearer positioning technology on fully mechanized coal mining face at home and abroad, characteristics of conventional shearer positioning technology, shearer positioning technology based on strapdown inertial ...
XIA Ting, LI Wei, WANG Chao, LI Yuche
doaj   +1 more source

Cooperative control technology of shear and hydraulic support on fully-mechanized coal mining face

open access: yesGong-kuang zidonghua, 2020
Aiming at low cooperative control efficiency of shearer and hydraulic support on fully-mechanized coal mining face, a cooperative control technology of shearer and hydraulic support on fully-mechanized coal mining face was proposed based on technologies ...
LIU Qing   +3 more
doaj   +1 more source

Design of drive and control system of 4-quadrant converter for traction shearer

open access: yesGong-kuang zidonghua, 2016
The paper designed a new drive and control system of 4-quadrant converter for traction shearer according to index requirements of 4-quadrant converter of shearer, and introduced design of hardware circuit and software implementation of the system.
DENG Yonghong, CAO Haokun, ZHANG Quanzhu
doaj   +1 more source

Research on cloud-edge-terminal collaborative intelligent control of coal shearer based on 5G communication

open access: yesMeitan kexue jishu, 2023
The current shearer control system is difficult to deal with the complex working conditions of the underground working face. The realization of the intelligent height and speed regulation control of the shearer is faced with three major technical ...
Yao CUI, Zhuang YE
doaj   +1 more source

Design of networked remote control testing system for shearer

open access: yesGong-kuang zidonghua, 2014
Due to high cost and difficulty to research remote control system for shearer on actual working face, the paper proposed a design scheme of networked remote control testing system for shearer, researched internal control structure of shearer met testing ...
LIN Fuyan, LI Jun, HAN Yunlong
doaj   +1 more source

Design of electromechanical and hydraulic integration virtual simulation platform for shearer mining operatio

open access: yesGong-kuang zidonghua, 2019
In view of problems that current virtual simulation of shearer mining operation are mostly based on preset trajectories, seldom consider impact of coal seam loading and can not show dynamic process of shearer operation, three-dimensional simulation of ...
WANG Xiao
doaj   +1 more source

Data-Driven Cooperative Control Model of Shearer-Scraper Conveyor Based on Rough Set Theory

open access: yesFrontiers in Energy Research, 2022
The cooperative control of shearer and scraper conveyors is the prerequisite for the realization of intelligent comprehensive mining equipment and unmanned comprehensive mining workings. However, because of the harsh working face environment, the complex
Shuanfeng Zhao   +8 more
doaj   +1 more source

Longwall Mining Automation—The Shearer Positioning Methods between the Longwall Automation Steering Committee and China University of Mining and Technology

open access: yesApplied Sciences, 2023
The shearer positioning method is of great significance to the automation of longwall mining. The research teams in the Longwall Automation Steering Committee (LASC) of Australia and China University of Mining and Technology (CUMT) have focused on ...
Weiwei Dai, Shijia Wang, Shibo Wang
doaj   +1 more source

Home - About - Disclaimer - Privacy