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GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
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Related Experiment Video

Updated: Jul 21, 2025

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
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Experimental Research of Triple Inertial Navigation System Shearer Positioning.

Cheng Lu1,2, Shibo Wang2, Kyoosik Shin3

  • 1School of Mechanical Engineering, Anhui Science and Technology University, Chuzhou 233100, China.

Micromachines
|July 29, 2023
PubMed
Summary

This study enhanced shearer positioning accuracy using a Triple Inertial Navigation System (TINS). Optimal results were achieved with 0.2m inter-system distances and specific spatial configurations, improving overall precision.

Keywords:
TINScoal mine-intelligentmulti-INSpositioning methodshearer

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Area of Science:

  • Mining Engineering
  • Robotics
  • Geomatics Engineering

Background:

  • Shearer positioning accuracy is critical for mining efficiency and safety.
  • Traditional navigation systems face limitations in complex underground environments.
  • Triple Inertial Navigation Systems (TINS) offer potential for improved accuracy.

Purpose of the Study:

  • To investigate the impact of TINS installation parameters on shearer positioning accuracy.
  • To identify optimal configurations for enhanced navigation performance.
  • To validate the effectiveness of a TINS-based positioning model.

Main Methods:

  • Development of an overground experimental device utilizing a TINS positioning model.
  • Conducting experiments to assess the influence of inter-INS distances on accuracy.
  • Performing experiments to evaluate the effect of tri-INS plane spatial positions (α3) on accuracy.
  • Utilizing Extended Kalman Filter (EKF) for TINS data processing.

Main Results:

  • Positioning accuracy of the shearer improved under various experimental conditions.
  • Highest accuracy achieved when inter-INS distances were 0.2 m.
  • Maximum positioning accuracy observed when the negative plane α3 was 45°.
  • EKF-evaluated TINS output precision identified as the primary factor influencing accuracy.

Conclusions:

  • TINS installation parameters significantly affect shearer positioning accuracy.
  • Optimal inter-INS distance is 0.2 m for maximum accuracy improvement.
  • Optimal spatial configuration involves α3 = 45° for the negative plane.
  • Recommended optimal parameters balance accuracy, installation convenience, and system performance.