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Research Article

3-dimensional Modeling and Mining Analysis for Open-pit Limestone Mine Stope Using a Rotary-wing Unmanned Aerial Vehicle

회전익 무인항공기를 이용한 노천석회석광산 채굴장 3차원 모델링 및 채굴량 분석

Seong-Seung Kang1
,
Geon-Ju Lee2
,
Jeongdu Noh3
,
Hyeongdoo Jang4
,
Sun-Myung Kim5
,
Chin-Surk Ko1*
강 성승1
,
이 건주2
,
노 정두3
,
장 형두4
,
김 선명5
,
고 진석1*
1Department of Energy and Resources Engineering, Chosun Univeristy, Professor
2Department of Energy and Resources Engineering, Chosun Univeristy, Master Student
3Department of Energy and Resources Engineering, Chosun Univeristy, Doctor's Course
4Western Australian School of Mine, Curtin University, Professor
5Department of Energy and Resources Engineering, Chosun Univeristy, Professor
1조선대학교 에너지자원공학과, 교수
2조선대학교 에너지자원공학과, 석사
3조선대학교 에너지자원공학과, 박사과정
4커튼대학교 서호주광산대학, 교수
5조선대학교 에너지자원공학과, 교수
* Corresponding Author
31 December 2018. pp. 701-714
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Abstract

The purpose of this study is to show the possibility of 3-dimensional modeling of open-pit limestone mine by using a rotary-wing unmanned aerial vehicle, a drone, and to estimate the amount of mining before and after mining of limestone by explosive blasting. Analysis of the image duplication of the mine has shown that it is possible to achieve high image quality. Analysis of each axis error at the shooting position after analyzing the distortions through camera calibration was shown the allowable range. As a result of estimating the amount of mining before and after explosive blasting, it was possible to estimate the amount of mining of a wide range quickly and accurately in a relatively short time. In conclusion, it is considered that the drone of a rotary-wing unmanned aerial vehicle can be usefully used for the monitoring of open-pit limestone mines and the estimation of the amount of mining. Furthermore, it is expected that this method will be utilized for periodic monitoring of construction sites and road slopes as well as open-pit mines in the future.

Keywords
3-dimensional modeling
open-pit limestone mine
mining analysis
rotary-wing unmanned aerial vehicle
explosive blasting

이 연구는 회전익 무인항공기인 드론을 활용하여 노천석회석광산 채굴장에 대한 3차원 모델링과 화약발파에 의한 석회석 채굴 전후의 채굴량 산정 가능성을 살펴보기 위한 것이다. 촬영된 채굴장의 영상에 대한 중복도를 분석한 결과 높은 화질의 구현이 가능한 것으로 나타났다. 카메라 캘리브레이션을 통해 왜곡도를 보정한 후 촬영 위치에서 각 축 방향 오차를 분석한 결과 허용 가능 범위를 보였다. 화약발파 전후 채굴량을 산정한 결과 넓은 범위의 채굴량을 비교적 짧은 시간에 빠르고 정확하게 산정 가능한 것으로 나타났다. 결론적으로 노천석회석광산의 채굴장 모니터링과 채굴량 산정에 있어 회전익 무인항공기 드론이 유용하게 활용될 수 있을 것으로 판단된다. 또한 이 방법은 향후 노천광산뿐만 아니라 건설 현장이나 도로사면 등의 주기적인 모니터링에 적극 활용될 수 있을 것으로 기대된다.

키워드
3차원 모델링
노천석회석광산
채굴량 분석
회전익 무인항공기
화약발파
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Information
  • Publisher :Korean Society of Engineering Geology
  • Publisher(Ko) :대한지질공학회
  • Journal Title :The Journal of Engineering Geology
  • Journal Title(Ko) :지질공학
  • Volume : 28
  • No :4
  • Pages :701-714
  • Received Date : 2018-11-28
  • Revised Date : 2018-12-18
  • Accepted Date : 2018-12-21
  • DOI :https://doi.org/10.9720/kseg.2018.4.701
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