• Title, Summary, Keyword: UAV

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Design and Implementation of UAV System for Autonomous Tracking

  • Cho, Eunsung;Ryoo, Intae
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.12 no.2
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    • pp.829-842
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    • 2018
  • Unmanned Aerial Vehicle (UAV) is diversely utilized in our lives such as daily hobbies, specialized video image taking and disaster prevention activities. New ways of UAV application have been explored recently such as UAV-based delivery. However, most UAV systems are being utilized in a passive form such as real-time video image monitoring, filmed image ground analysis and storage. For more proactive UAV utilization, there should be higher-performance UAV and large-capacity memory than those presently utilized. Against this backdrop, this study described the general matters on proactive software platform and high-performance UAV hardware for real-time target tracking; implemented research on its design and implementation, and described its implementation method. Moreover, in its established platform, this study measured and analyzed the core-specific CPU consumption.

UAV 총론 - 국내 UAV의 정의 및 효용성

  • Lee, Gyeong-Tae
    • Aerospace Industry
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    • v.75
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    • pp.42-47
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    • 2001
  • 본고는 세종대학교 기계항공우주공학부 교수이자 세종-록히드마틴 우주항공연구소 소장인 이경태 교수와 동대학 항공우주공학과 이기학 대학원생이 ''''UAV 총론 및 국내 UAV 연구개발 방향''''을 내용으로 함께 발표한 논문으로 앞으로 3~4회에 걸쳐 UAV 정의와 종류, UAV의 다양한 임무와 효용성, 군사적 목적으로의 UAV 활용, 민수분야 UAV 시장의 잠재성, UAV 제작회사 현황, UAV 시장확대를 위한 과제순으로 내용을 소개한다.

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The Present State of UAV Propulsion and Forecast of Next Generation UAV Propulsion (UAV 추진기관의 현황 및 차세대 UAV 추진기관의 개발 전망)

  • Lee, Dong-Hun;Paeng, Ki-Suk;Kim, Yu-Il;Par, Poo-Min;Choi, Seong-Man;Huh, Hwan-Il
    • Proceedings of the Korean Society of Propulsion Engineers Conference
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    • pp.557-560
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    • 2009
  • The characteristics and present state of UAV engine which is operating currently were studied and advantages/disadvantages of UAV engines were also analyzed. Forecast of next generation UAV engine development trend was presented and the performance demand of gas turbine engine for UAV were suggested.

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UAV 총론 국내 UAV 연구개발 방향

  • Lee, Gyeong-Taek;Lee, Gi-Hak
    • Aerospace Industry
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    • v.77
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    • pp.22-28
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    • 2002
  • 본고는 세종대학교 기계항공우주공학부 교수이자 세종-록히드마틴 우주항공연구소 소장인 이경태 교수와 동 대학 항공우주공학과 이기학 대학원생이 UAV 총론 및 국내 UAV연구개발 방향을 내용으로 함께 발표한 논문으로 이번회는 마지막회로 민수분야 UAV 시장의 잠재성, UAV 제작회사 현황. UAV 시장확대를 위한 과제 등의 내용을 중심으로 소개한다.

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The Propose of Requirements Based on Safety Assessment for UAV Handover

  • Seung, Young-Min;An, Kyeong-Soo;Kim, Woo-Sik
    • Journal of the Korea Society of Computer and Information
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    • v.24 no.4
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    • pp.91-97
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    • 2019
  • Recently, UAV manufacturers are developing UAV system in a form that can be controlled by CS regardless of UAV kind and using STANAG 4586 interface standard considering Interoperability. STANAG 4586 is a NATO military standard developed to control various UAVs with standardized equipment. In such a case, UAV handover will inevitably occur and it is one of the most important function for safe UAV flight in platform using STANAG 4586. In the future combat situation where collaboration between AV and UAV is anticipated, seamless handover of UAV is a part of continuous research. In this paper, we propose requirements for UAV handover based on ARP 4761 safety assessment and analyze feasibility of the requirements by comparing UAV handover process in STANAG 4586. As a result of the comparative analysis, the proposed handover requirements based on ARP 4761 includes all the handover procedures of STANAG 4586 and present additional considerations for SOP creation and CS development. Applying the proposed handover requirements in the UAV development process can reduce the probability of loss of UAV control over the handover process and it can be expected to help improve the safety of UAV.

Design of Multiple Myo-Based UAV Controller (다중 Myo 기반의 UAV 제어기 설계)

  • Kim, Hyeok;Kim, Donguk;Sung, Yunsick
    • KIPS Transactions on Software and Data Engineering
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    • v.6 no.2
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    • pp.51-56
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    • 2017
  • Given that the utilization of Unmanned Aerial Vehicles (UAVs) is recently increased, a variety of UAV control methods are being applied. In general, it has been used a lot to directly control a UAV via manipulator. However, tangible user interface is required to control UAVs accurately. This paper proposes a method for controlling an UAV based on multiple Myos. The UAV is connected to a ground control station and then controlled by Myos. Intuitive control is possible by controlling the UAV using tangible user interface.

Study on establishment of airworthiness level of safety for UAV (무인기 감항기준 안전도 설정기법 연구)

  • Choi, Joo-won
    • Journal of Aerospace System Engineering
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    • v.2 no.4
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    • pp.31-37
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    • 2008
  • To operate UAV in the civil airspace, the airworthiness of UAV system have to be proven by the civil certification system. However, it is difficult for UAV to be certified by the existing certification system because the existing certification system has been developed for the manned aircraft. So, many civil aviation authorities and research institutes are studying developing airworthiness standards for UAV certification. To develop an airworthiness standards for UAV, the airworthiness level of safety have to be established based on UAV categorization. I would like to introduce an quantitative methods for establishing airworthiness level of safety of UAV based on UAV categorization and example of Smart UAV.

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A Study on UAV Control System using Myos (Myo를 이용한 UAV 제어 시스템 설계 연구)

  • Kim, Hyeok;Kim, Donguk;Sung, Yunsick
    • Proceedings of the Korea Information Processing Society Conference
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    • pp.663-666
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    • 2016
  • 최근에 증가한 무인항공기(Unmanned Aerial Vehicle, UAV) 활용에 따라 다양한 제어 방법이 도입되고 있다. 일반적으로는 UAV 조종기를 통해서 직접 제어하는 방법이 많이 활용되고 있다. 하지만, 세밀한 UAV 제어를 위해서는 직관적인 사용자 인터페이스가 필요하다. 이 논문에서는 Myo로 다종 UAV를 제어하는 방법을 제안한다. 이를 위해서 기 개발된 그라운드스테이션과 UAV를 연결하고 제어하는 방법을 소개한다. UAV를 체감형 인터페이스로 제어함으로써 직관적인 제어가 가능하다.

Effect of Spoofing on Unmanned Aerial Vehicle using Counterfeited GPS Signal

  • Seo, Seong-Hun;Lee, Byung-Hyun;Im, Sung-Hyuck;Jee, Gyu-In
    • Journal of Positioning, Navigation, and Timing
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    • v.4 no.2
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    • pp.57-65
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    • 2015
  • Global Navigation Satellite System (GNSS) including Global Positioning System (GPS) is an important element for navigation of both the military and civil Unmanned Aerial Vehicle (UAV). Contrary to the military UAVs, the civil UAVs use the civil signals which are unencrypted, unauthenticated and predictable. Therefore if the civil signals are counterfeited, the civil UAV’s position can be manipulated and the appropriate movement of the civil UAV to the target point is not achieved. In this paper, spoofing on the autonomous navigation UAV is implemented through field experiments. Although the demanded conditions for appropriate spoofing attack exists, satisfying the conditions is restricted in real environments. So, the Way-point of the UAV is assumed to be known for experiments and assessments. Under the circumstances, GPS spoofing signal is generated based on the Software-based GNSS signal generator. The signal is emitted to the target UAV using the antenna of the spoofer and the effect of the signal is analyzed and evaluated. In conclusion, taking the UAV to the target point is hardly feasible. To implement the spoofing as expectation, the position and guidance system of the UAV has to be known. Additionally, the GPS receiver on the UAV could be checked whether it appropriately tracks the spoofing signal or not. However, the effect of the spoofing signal on the autonomous UAV has been verified and assessed through the experimental results. Spoofing signal affects the navigation system of the UAV so that the UAV goes off course or shows an abnormal operation.

A Study on Operational Concept of Solar Powered HALE UAV Using Directed-Energy (지향성 에너지를 이용한 고고도 장기체공 태양광 무인항공기 운용 개념 연구)

  • Ahn, Hyo-Jung
    • New & Renewable Energy
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    • v.7 no.3
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    • pp.59-66
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    • 2011
  • Recently, an UAV using green energy for propulsion has been developed due to exhaustion of fossil fuel. This aircraft runs on electric motors rather than internal combustion engines, with electricity coming from fuel cells, solar cells, ultracapacitors, and/or batteries. Especially solar cells are installed in HALE UAV and flight tests are performed in the stratosphere. Although the solar powered UAV has the advantage of zero emission, its energy conversion efficiency is low and operation time is limited. Therefore, the solar powered UAV has been designed to operate with the secondary battery obtaining flexibility of energy management. In this study, we suggest the new operational concept of the solar powered UAV using directed-energy rayed from the surface of earth to UAV. An UAV is able to secure additional power through attaching solar cell to the lower surface of elevator. As a result, the additional energy supplied by directed-energy can improve the energy management and operational flexibility of the solar powered UAV.