• 시스템엔지니어링학술지
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• 제17권2호
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• pp.23-36
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• 2021

Recently, the rapid development of drones is increasing as a variety of threats to important facilities of the country. In order to build an anti-drone system that responds to drones with high technical characteristics, standardization is required in terms of operation, system, and technology. By applying the defense architecture framework, it contributes to the establishment of the optimal system by proposing a standardization plan for the operational and system perspectives of the anti-drone system by creating outputs equivalent to the stage of prior research on weapons systems. It is a prerequisite for building a drone system the operational concept of the anti-drone system, the definition of the drone threat, the function of each component, the interface, the definition of data flow, the system performance and effect scale, etc. Management, security officers, and equipment manufacturers of important national and public facilities on site expect that it will be used as an objective standard at the government level for the component technology of the equipment to respond to the drone threat and the performance required in the environment.

• International Journal of Advanced Culture Technology
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• 제11권2호
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• pp.381-388
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• 2023

Small-scale environmental impact assessments have limitations in terms of survey duration and evaluation resources, which can hinder the assessment and analysis of the current situation. In this study, we propose the use of drone technology during the environmental impact assessment process to supplement these limitations in the current situation analysis. Drone photography can provide rapid and accurate high-resolution images, allowing for the collection of various information about the target area. This information can include different types of data such as terrain, vegetation, landscape, and real-time 3D spatial information, which can be collected and processed using GIS software to understand and analyze the environmental conditions. In this study, we confirmed that terrain and vegetation analysis and prediction of the target area using drone photography and GIS analysis software is possible, providing useful information for environmental impact assessments.

• 한국산업융합학회 논문집
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• 제26권6_2호
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• pp.1145-1153
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• 2023

This study presents the development of pointcloud data integration technology in construction sites via drone photogrammetry and MMS LiDAR. The integration of pointcloud data from drones and MMS technology can provide precise and accurate 3D digital maps of construction sites, which can benefit the development of smart construction and BIM. The advantages of using both drones and MMS technology for pointcloud data acquisition in construction sites are discussed, along with the limitations and challenges of using drone photogrammetry and MMS LiDAR for pointcloud data integration. The results of this study can contribute to the advancement of pointcloud data integration technology in construction sites and improve the efficiency and accuracy of construction projects.

• 정보보호학회논문지
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• 제32권1호
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• pp.77-88
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• 2022

드론(Drone)의 제작기술이 발전하고 대중화되면서 주로 산업, 농업, 군사 등에 치우쳐 있던 드론 시장은 개인·상업 시장에서도 큰 성장세를 보인다. 그중에서 DJI는 개인·상업용 드론 시장에 높은 점유율을 보이고, 이에 따라 DJI 드론의 포렌식 분석이 주목받고 있다. 특히, 범죄행위에 사용된 드론을 탈취·획득하여 분석할 때, 드론의 비행경로 및 하드웨어 정보를 기록한 비행 로그를 해석하는 기술이 필요하고, 이는 DJI의 드론 모델마다 복호화 방식의 차이로 인해 드론 모델별로 다르게 적용할 수밖에 없다. 따라서, 디지털 포렌식 조사관의 관점에서 불상의 드론을 획득하였을 때, 분석할 수 있는 드론 모델에 대한 명확한 분류가 필요하다. 본 논문에서는 포렌식을 통해 DJI 드론의 아티팩트를 추출하여 분석하는 방법을 제안하고, DJI의 출시 연월이 다른 세 가지 드론 모델에 대해서 미디어 데이터의 분석 및 비행 로그 분석 결과와 복호화 방식에 대해서 분석한다. 마지막으로, 상용화된 DJI 드론 비행 로그의 복호화 여부에 따라 DJI 제품군의 드론을 분류한다.

• 한국방재안전학회논문집
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• 제10권1호
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• pp.67-74
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• 2017

드론은 취미생활 및 농약 살포, 배송 등 다양한 분야에 활용되고 있다. 하지만 재난관리 분야의 활용도는 상대적으로 미미하여 구호품의 운송, 동영상의 활용 등 제한된 분야에서 일부 기능만을 사용하고 있는 것이 현실이다. 특히 재난을 전문으로 하는 기관이나 재난 전문가의 드론에 대한 이해 부족으로 활성화에 어려움이 가중된다고 판단한다. 이에 본 연구에서는 드론의 조종법에 대한 개략적인 특성과 재난관리 분야에서 드론이 활성화가 되지 않는 원인을 분석하여 제도적 측면에서는 법적 규제와 활용 측면에서는 카메라, 열 감지카메라, 적외선센서, RFID 등 센서 기반 등의 융합 적용상의 문제점을 도출하고 이에 대한 개선방안 방향에 대해 제시하고자 한다.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2019년도 춘계학술대회
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• pp.63-66
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• 2019

최근 드론 기술이 발전함에 따라 드론을 이용한 악의적 공격이 문제가 되고 있고, 악의적 공격을 목적으로 한 공격 드론을 탐지하는 안티 드론 기술(Anti -Drone Technology)이 요구되고 있다. 그러나 현재 사용되는 드론 탐지 시스템은 고가이면서도 운영인력이 많이 필요하다는 문제점이 있다. 따라서 본 논문에서는 공격드론을 감시 정찰 가능한 안티드론에 대한 분석과 알고리즘을 이용한 안티드론 방식을 제안한다. 본 논문에서는 스니핑을 이용해 공격 드론을 파악하고 탐지한 후 현 GPS기반 탐지 시스템을 이용해 스푸핑을 통한 포획 및 탈취 알고리즘을 제안한다.

• 한국산업융합학회 논문집
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• 제26권1호
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• pp.121-131
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• 2023

Although the utilization of drone photogrammetry that can generate spatial information using ultra-high-resolution images is increasing in the civil engineering and construction fields, analysis of areas that can be used is insufficient. Therefore, this study attempted to determine how far drone photogrammetry can be used in the civil engineering and construction fields by applying a detailed analysis method. The status map and cross-sectional map were actually vectorized using drone photogrammetry outcomes, compared and analyzed with the results acquired in the field, and the qualitative aspects of traffic safety facilities were analyzed to determine their usability. As a result, the accuracy of the plane position using drone photogrammetry was reliable, but the height accuracy was difficult to trust. Accordingly, although there is a possibility of preparing a status map, the use of it in areas requiring high accuracy such as cross-sectional plans was limited, and it is believed that it can be used in the construction management field where qualitative analysis is conducted.

• 국제학술발표논문집
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• The 9th International Conference on Construction Engineering and Project Management
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• pp.705-711
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• 2022

Roadway lighting is an integral element of a highway system. Luminaires on roadways provide viewing conditions for drivers and pedestrians during nighttime in order to improve safety. It is time-consuming and labor-intensive to manually measure roadway illuminance at predetermined spots with a handheld illuminance meter. To improve the efficiency of illuminance measurement, a remote-control electrical cart and a drone were utilized to carry an illuminance meter for the measurements. The measurements were performed on the marked grid points along the pavement. To measure the illuminance manually, one person measures illuminance at each grid point with the handheld meter and another person records the illuminance value. To measure the illuminance with the remote-control cart, the illuminance meter is attached to the cart and it measures illuminance values continuously as the cart moves along the grid lines. With the drone, the meter records the illuminance continuously as the drone carries the meter and flies along the grid line. Because the drone can fly at different heights, the measurements can be done at different altitudes. The illuminance measurements using the cart and the drone are described in detail and compared with manual measurements in this paper. It is shown through this study that automated measurements can greatly improve the efficiency of roadway illuminance data measurements.

• 한국군사과학기술학회지
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• 제21권2호
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• pp.147-157
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• 2018

There are increasing demands to provide early warning against intruding drones and cope with potential threats. Commercial anti-drone systems are mostly based on simple target detection by radar reflections. In real scenario, however, it becomes essential to obtain drone radar signatures so that hostile targets are recognized in advance. We present experimental test results that micro-Doppler radar signature delivers partial information on multi-rotor platforms and exhibits limited performance in drone recognition and classification. Afterward, we attempt to generate high resolution profile of flying drone targets. To this purpose, wide bands radar signals are employed to carry out inverse synthetic aperture radar(ISAR) imaging against moving drones. Following theoretical analysis, experimental field tests are carried out to acquire real target signals. Our preliminary tests demonstrate that high resolution ISAR imaging provides effective measures to detect and classify multiple drone targets in air.

• 디지털산업정보학회논문지
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• 제14권4호
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• pp.1-7
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• 2018

The floating sculptures in the form of ad-ballon commonly used ropes in order to hold on. Relatively air flow is much less indoor than outdoor. Users of buoyancy sculptures hope to be able to maintain their desired posture without being fixed. This study applied drone technology to buoyancy sculptures. The drones can be moved vertically and horizontally, and the posture can be maintained, so buoyancy sculptures are easy to apply. Therefore, we have studied the control system of buoyancy sculpture using drone technology. Also, a control system that can maintain the desired posture at a constant height was studied. The overall shape was a light fiber material and helium gas for zero buoyancy to support the sculpture. The system configuration was STM32F103CB from ARM. In addition, the gyro and acceleration, geomagnetic sensors and motors are composed of small and medium size BLDC motors. The scheduling of the control system in the configuration of the control device was carefully considered. Because the role of the whole component becomes very important. The communication between the components is divided into the sensor fusion and the interface communication with the whole controller. Each communication technology is designed to expand. This study was implemented to actively respond from the viewpoint of posture control using the drone technology.