Shearer precision positioning system based on laser scanning technology

LIU Yi-ming; LIU Wan-li; YANG Bin-hai

doi:10.3788/OPE.20162413.0216

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Shearer precision positioning system based on laser scanning technology

更新时间：2020-08-13

- Shearer precision positioning system based on laser scanning technology
- Optics and Precision Engineering Vol. 24, Issue 10s, Pages: 216-223(2016)
- 作者机构：
  
  中国矿业大学机电工程学院,江苏徐州,221116
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162413.0216
  CLC： TD67;TP311
- Received：28 May 2016，
  
  Revised：16 June 2016，
  
  Published：14 November 2016
- 稿件说明：
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刘一鸣, 刘万里, 杨滨海. 基于激光扫描技术的采煤机精确定位系统[J]. 光学精密工程, 2016,24(10s): 216-223

LIU Yi-ming, LIU Wan-li, YANG Bin-hai. Shearer precision positioning system based on laser scanning technology[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 216-223
刘一鸣, 刘万里, 杨滨海. 基于激光扫描技术的采煤机精确定位系统[J]. 光学精密工程, 2016,24(10s): 216-223 DOI： 10.3788/OPE.20162413.0216.

LIU Yi-ming, LIU Wan-li, YANG Bin-hai. Shearer precision positioning system based on laser scanning technology[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 216-223 DOI： 10.3788/OPE.20162413.0216.

摘要

针对目前煤矿井下现有定位方法精度不高的问题，提出了基于激光扫描的高精度定位系统。该系统采用前方三角交汇与扇面激光扫描相结合的采煤机精确定位方案；基于两基站，利用系统的时间信号差，推导了定位系统对安装于采煤机机身上的接收器的基本定位原理，将系统坐标下接收器采集的俯仰角和水平角信息转换成采区局部地理坐标系下的采煤机坐标；最后在实验室模拟综采工作面环境下（15.341 m4.125 m）进行了实验研究。结果表明，

轴、

轴上的最大误差分别为0.116，0.093，0.132 m，系统的三维定位精度为0.139 97 m，单位距离的三维精度为0.018 763 m/m，能够满足综采工作面采煤机在机头或机尾处的定位精度的要求。

Abstract

Aiming at the inaccuracy of existing positioning technology underground coal mine

a precision positioning system by using coal cutter with combination of front triangle intersection and sector laser scanning was proposed. The basic positioning principle of the receiver installed on the body of coal cutter was derived based on two-station-system by using the difference of time signal of system. Then the position information receiver in the coordinate of system

involving pitch angles and horizontal angles

was transformed into coordinated of the coal cutter in local geographic coordinate system in mining area. Finally

positioning experiments were performed in the area(15.341 m4.125 m) of fully mechanized face by simulation. The results show that the maximal errors on

-axis

-axis and

-axis are 0.116

0.093 and 0.132 m respectively

while the three-dimensional positioning accuracy of the system and the unit distance is 0.139 97 m and 0.018 763 m/m respectively. The proposed system can meet the requirements of positional accuracy for coal cutter of fully mechanized face on headpiece or tail.

关键词

Keywords

references

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