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Improving the Shearer Positioning Accuracy Using the Shearer Motion Constraints in Longwall Panels [PDF]

open access: yesIEEE Access, 2020
The shearer positioning method with an inertial navigation system (INS) is feasible in a longwall mining face. However, INS error greatly increases with time, which reduces the shearer positioning accuracy.
Shibo Wang, Shijia Wang
exaly   +5 more sources

Status and development of shearer

open access: yesGong-kuang zidonghua, 2017
According to problems existed in development status of thin seam shearer and thick seam shearer, research directions of shearer technology were put forward combing with development trend of shearer, which were improving reliability of key components such
YANG Yu
doaj   +3 more sources

Positioning Accuracy of the Shearer Based on a Strapdown Inertial Navigation System in Underground Coal Mining

open access: yesApplied Sciences (Switzerland), 2020
Automation and intelligent coal mining comprise the most important fields in coal mining technology research. The key to automation and intelligent coal mining is the automated mining of the working face, and accurate positioning of the shearer is one of
Gang Wu, Jiakun Lv, Xinqiu Fang
exaly   +3 more sources

Intelligent Identification Method of Shearer Drums Based on Improved YOLOv5s with Dark Channel-Guided Filtering Defogging

open access: yesEnergies, 2023
In a fully mechanized mining face, there is interference between the hydraulic support face guard and the shearer drum. The two collisions seriously affect coal mine production and personnel safety. The identification of a shearer drum can be affected by
Menghan Wang, Qinghua Mao, Xusheng Xue
exaly   +3 more sources

Study on key technologies of unmanned driving shearer

open access: yesGong-kuang zidonghua, 2016
The paper described technical architecture of unmanned driving shearer from aspects of recognition system, decision-making system and control system. It discussed key technologies of unmanned driving shearer and their breakthrough directions, including ...
ZHANG Hao, GE Shirong
doaj   +2 more sources

Research on shearer performance degradation evaluation and applicatio

open access: yesGong-kuang zidonghua, 2020
Accurate identification of the wear and failure of shearer components can provide the necessary support for the prevention and early warning of shearer failures and related accidents, and shearer performance degradation evaluation is an effective way to ...
ZHAI Wenrui   +3 more
doaj   +1 more source

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

open access: yes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   +5 more
doaj   +1 more source

Shearer position and attitude adjustment based on strapdown inertial navigation system

open access: yesGong-kuang zidonghua, 2017
For problems of inaccurate shearer position and attitude adjustment, a shearer position and attitude adjustment method based on strapdown inertial navigation system was researched on the ground with slowly varied angle.
ZHANG Qing   +4 more
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

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

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