期刊
SENSORS
卷 21, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/s21093175
关键词
drone; landmine; magnetometer; demilitarized zone
资金
- Civil Military Technology in KOREA
- [PE99941]
A magnetometer system combined with a drone was proposed for detecting metal antipersonnel landmines in the Korean DMZ, with promising results of detecting magnetic anomalies and various metallic substances within a 1-meter radius of each detection site. The system is expected to reduce risks for detection personnel and provide accurate scientific information for military landmine-detection efforts.
We propose a magnetometer system fitted on an unmanned aerial vehicle (UAV, or drone) and a data-processing method for detecting metal antipersonnel landmines (M16) in the demilitarized zone (DMZ) in Korea, which is an undeveloped natural environment. The performance of the laser altimeter was improved so that the drone could fly at a low and stable altitude, even in a natural environment with dust and bushes, and a magnetometer was installed on a pendulum to minimize the effects of magnetic noise and vibration from the drone. At a flight altitude of 1 m, the criterion for M16 is 5 nT. Simple low-pass filtering eliminates magnetic swing noise due to pendulum motion, and the moving average method eliminates changes related to the heading of the magnetometer. Magnetic exploration was conducted in an actual mine-removal area near the DMZ in Korea, with nine magnetic anomalies of more than 5 nT detected and a variety of metallic substances found within a 1-m radius of each detection site. The proposed UAV-based landmine detection system is expected to reduce risk to detection personnel and shorten the landmine-detection period by providing accurate scientific information about the detection area prior to military landmine-detection efforts.
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