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천부 이상체 탐지를 위한 무인멀티콥터 기반 자력탐사 사례 분석

A Review on Multirotor UAV-based Magnetic Surveys for Near-Surface Targets

김보나|오석민
한국자원공학회 (The Korean Society of Mineral and Energy Resources Engineers)|2022.10|한국자원공학회지 (Journal of the Korean Society of Mineral and Energy Resources Engineers)|제59권 제5호|pp. 585-597

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참고문헌

키워드

Unmanned aerial vehicle무인비행장치자력탐사천부 이상체 탐지Magnetic surveyNear-surface targets
주제분류자원공학

초록

무인비행장치 기술의 발전과 함께, 다양한 무인비행장치 시스템을 이용한 자력탐사의 활용 가능성에 관한 연구가 진행되고 있다. 최근에는 무인멀티콥터 기반 자력탐사에 관한 연구가 활발히 이루어지고 있으며, 이 논문에서는 천부 대상 탐지연구를 중심으로 사례를 분석하였다. 특히, 자력계의설치 위치와 배열의 다양화, 멀티콥터의 위치 정확도 향상을 위한 센서 활용에서 새로운 시도들을확인하였다. 또한, 멀티콥터에서 발생하는 잡음을 고려하기 위한 자료 분석 및 처리 기술들을 소개하고, 자료 해석에 관한 다양한 연구들을 정리하였다. 제시된 연구사례들은 무인멀티콥터 자력탐사가 지표에 근접한 비행으로 소규모 이상체 탐지에 강점이 있으며, 탐사 영역에 대한 정밀한 비행을 통해 고해상도의 자료 획득이 가능함을 보여주었다. 이 기술은 향후 불발 병기나 지뢰와 같은 인공 구조물, 관로와 같은 기반 시설, 그리고 고고학적 조사 등에도 유용하게 적용될 것으로 기대된다.

Abstract

The development of unmanned aerial vehicles (UAVs), has led to extensive investigations of the applicability of magnetic surveys using various UAV systems, such as a recent multirotor UAV-based magnetic survey. Herein, we analyzed studies that focused on the detection of near-surface targets. In particular, recent studies have examined the installation position and configuration of the magnetometer, and the usage of sensors to improve the positioning accuracy of the multirotor UAVs. We introduced data analysis and processing methods to consider noise generated by multirotor UAVs, and various interpretation methods. The cases presented here show that multirotor UAV-based magnetic surveys have strengths in small-scale target detection with close-to-surface flight and that high-resolution data can be acquired through precise flight for the survey area. This technology is expected to be particularly useful for the detection of man-made objects and subsurface infrastructures, and for archaeological prospection.

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