Results 1 to 10 of about 10,540 (165)

Experimental Research of Triple Inertial Navigation System Shearer Positioning [PDF]

open access: yesMicromachines, 2023
In order to improve the positioning accuracy of shearers, the overground experimental device based on the positioning model of TINS (Triple Inertial Navigation System) was built.
Cheng Lu   +4 more
doaj   +4 more sources

Research on the Shearer Positioning Method Based on the MEMS Inertial Sensors/Odometer Integrated Navigation System and RTS Smoother [PDF]

open access: yesMicromachines, 2021
The shearer positioning method with an inertial measurement unit and the odometer is feasible in the longwall coal-mining process. However, the positioning accuracy will continue to decrease, especially for the micro-electromechanical inertial ...
Jiangtao Zheng   +5 more
doaj   +5 more sources

Research on the Strategy of Motion Constraint-Aided ZUPT for the SINS Positioning System of a Shearer [PDF]

open access: yesMicromachines, 2017
The accurate measurement of position and orientation for shearers is a key technology in realizing an automated, fully-mechanized, coal mining face. Since Global Positioning System (GPS) signal cannot arrive at the coal mine underground, wireless sensor ...
Hai Yang, Wei Li, Haibo Liang
exaly   +5 more sources

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.
Shijia Wang, Shibo Wang
doaj   +2 more sources

Shearer positioning method based on non-holonomic constraints

open access: yesGong-kuang zidonghua, 2022
At present, the shearer positioning method is based on the combination of the inertial navigation system and odometer. The method directly uses the output of the odometer to correct the shearer forward speed calculated by the inertial navigation system ...
SONG Danyang   +5 more
doaj   +5 more sources

Research on the Shearer Positioning Method Based on SINS and LiDAR with Velocity and Absolute Position Constraints [PDF]

open access: yesRemote Sensing, 2021
Accurate positioning of the shearer with a strapdown inertial navigation system (SINS) is the key technology to realize the automation of the longwall face. Unfortunately, the existing positioning methods have a strong dependence on the attitude accuracy
Jiangtao Zheng   +3 more
doaj   +2 more sources

Integrated Positioning for Coal Mining Machinery in Enclosed Underground Mine Based on SINS/WSN [PDF]

open access: yesThe Scientific World Journal, 2014
To realize dynamic positioning of the shearer, a new method based on SINS/WSN is studied in this paper. Firstly, the shearer movement model is built and running regularity of the shearer in coal mining face has been mastered.
Qigao Fan   +6 more
doaj   +3 more sources

Simulation Optimization and Application of Shearer Strapdown Inertial Navigation System Modulation Scheme [PDF]

open access: yesSensors, 2023
The operating attitude of a shearer based on a three-dimensional (3D) space scale is the necessary basic information for realizing intelligent mining. Aiming to address the problem of the insufficient perception accuracy of shearers, in this paper, the ...
Gang Wu   +6 more
doaj   +2 more sources

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

open access: yesApplied Sciences, 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   +5 more
doaj   +2 more sources

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   +2 more sources

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