• 제목/요약/키워드: In-flight

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Flight Software Modeling in Satellite Simulator

  • Lee, Sanguk;Sungki Cho;Kim, Jae-Hoon;Lee, Seong-Pal
    • 한국시뮬레이션학회:학술대회논문집
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    • 한국시뮬레이션학회 2001년도 The Seoul International Simulation Conference
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    • pp.147-151
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    • 2001
  • Based on flight software modeling experiences on satellite simulator developments so far, three different approaches for modeling the flight software within the satellite simulator such as utilization of a processor emulator executing the actual flight software image, re-compilation of the flight software sources within the simulator infrastructure, and development of a set of abstract models representing the required flight software functionality are presented.

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시선지령 유도 비행체의 실시간 실물 시뮬레이션 기법 (A Real Time HILS of the Guidance Flight System)

  • 김영주;이종하
    • 대한전기학회논문지
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    • 제43권4호
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    • pp.638-647
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    • 1994
  • This paper describes the real time Hardware-In-the Loop Simulation(HILS) that is an efective tool for design, testing and performance evaluation of the guidanc eflight system. The real time HILS was performed by using a 3-axis flight motion simulator, real time computer, I/O system and flight control system hardware along with the assumed flight trajectory of the guidance flight system. Also, we proved the validity of the real time HILS is the guidance flight system by comparing its simulation results with the software simulation data and telemetry data.

비행시험과 전산해석을 통한 소형무인기 항력 예측 (In-Flight and Numerical Drag Prediction of a Small Electric Aerial Vehicle)

  • 진원진;이융교
    • 한국항공운항학회지
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    • 제23권2호
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    • pp.51-56
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    • 2015
  • This paper presents the procedure of drag prediction for EAV-1, based on a numerical analysis correlated to an in-flight test. EAV-1, developed by Korea Aerospace Research Institute, is a small-sized UAV to test a hydrogen-fuel cell power system. The long-endurance test flight of 4.5 hours provides numerous in-flight data. The thrust and drag of EAV-1 during the flight test are estimated based on the wind-tunnel test results for EAV-1's propeller performance. In addition, the CFD analysis using a commercial Navier-Stokes code is carried out for the full-scale EAV-1. The computational result suggests that the initial CFD analysis substantially under-predicts the in-flight drag in that the discrepancy is up to 27.6%. Therefore, additional investigation for more accurate drag prediction is performed; the effect of propeller slipstream is included in the CFD analysis through "fan disk" modelling. Also, the additional drag from airplane trim and load factor that actually exists during the flight test in a circular path is considered. These supplemental analyses for drag prediction turn out to be effective since the drag discrepancy reduces to 2.3%.

모션 기반 헬리콥터 시뮬레이터 개발 연구 (Development of Motion-Based Helicopter Flight Simulation Training Device)

  • 나유찬;조영진
    • 문화기술의 융합
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    • 제8권3호
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    • pp.477-483
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    • 2022
  • 비행 시뮬레이터는 조종사들이 다양한 상황에 능숙하게 대처하고 비행감을 느낄 수 있도록 해주는 장치로 현대 항공 분야에서 과학화 훈련에 관한 관심이 증가함에 따라 항공 훈련기관에서는 시뮬레이터를 개발 및 운용하는 사례가 증가하고 있다. 이에 본 연구에서는 상용 비행 시뮬레이터 프로그램과 모션 프로그램을 활용하여 모션 기반 헬리콥터 시뮬레이터를 개발하는 과정에 관하여 기술하였다. 연구 과정에서 선행연구를 통하여 헬리콥터 비행교육의 특수성과 모션 시뮬레이터의 긍정적인 효과를 확인하였으며, 모의비행훈련장치에 대한 구성과 현행 규정을 파악하고 헬리콥터 모션 시뮬레이터를 개발하는 과정에서 모션 시스템의 설계와 프로그램에 관하여 연구하였다. 시뮬레이터의 시스템 설계와 구조설계를 바탕으로 모션 프로그램을 설정하고 비행 시뮬레이터로부터 수신되는 데이터를 식별하여 예상 작동 형상을 확인하였다. 우리는 본 연구를 통해 모션 기반 헬리콥터 시뮬레이터를 완성하여 조종사 훈련에 긍정적인 기대효과를 마련하고자 한다.

비행중 실시간 파라미터 추정기법을 이용한 커나드 비행기의 가로안정성에 관한 연구 (A study on the Lateral Stability of a Canard Airplane Using In-Flight Real-Time Parameter Estimation Techniques)

  • 박욱제;노양수;최진원;문정호;황명신;성기정
    • 한국항공우주학회지
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    • 제32권9호
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    • pp.57-64
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    • 2004
  • 본 논문은 실제의 비행시험 데이터를 이용하여 커나드 비행기 Velocity-173의 가로-방향의 조종/안정 미계수들을 추정하는 것이며, 나아가서 비행중에 (In-Flight) 실시간 파라미터 추정기법을 이용한 미계수 확인 및 분석에 관한 내용이다. 본 논문에서 적용한 비행 중 실시간 파라미터 추정기법의 결과는 AAA의 해석 결과와 비교하였으며, 그 결과는 상당히 신뢰할 수 있고 계산시간 또한 만족스러움을 확인하였다.

인간-기계 인터페이스 및 증강현실 기술의 항공운항 분야 적용 (Application of Human Machine Interface and Augmented Reality Technology to Flight Operation)

  • 박형욱;정준;장조원;주성현;황영하
    • 한국항공운항학회지
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    • 제27권2호
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    • pp.54-69
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    • 2019
  • The primary objective of this paper is to introduce the application of Human-Machine Interface (HMI) and Augmented Reality (AR) technologies in flight operations. These include: self-check-in, baggage handling, airport security and surveillance, airport operations monitoring, In-Flight Entertainment and Connectivity (IFEC), cockpit design, and cabin crew support. This paper investigates the application status and development trends of HMI and AR technologies for airports and aircraft. These technologies can provide more efficient in-flight passenger service and experience by using AR devices. This paper also discusses the developments such as; the Integrated Control Application (ICA) for the IFEC interface, AR flight simulation training program using the fixed-based simulator, and the AR aircraft cabin interior concept test program. These applications present how HMI and AR techniques can be utilized in actual flight operations. The developed programs in this paper can be applied to their purpose within aircraft interiors and services to enhance efficiency, comfort, and experience.

비행검사용 항공기 수수료 분석 및 적정 수수료 산정에 관한 연구 (A Study on Flight inspection cost analysis and Proper commissions calculator)

  • 김웅이;최연철
    • 한국항공운항학회지
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    • 제20권4호
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    • pp.126-131
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    • 2012
  • In South Korea, there is no consideration for increasing labor costs and price fluctuation regarding the commission for a flight inspection. Because this causes a deficit in the flight inspection related operation, the cost system should be improved. Therefore, this research considers the first cost analysis in order to calculate a proper flight inspection commission through three different types of cost making methods. Moreover, as flight inspections are held by flights and human labors, labor costs are included as the main operation cost. According to the research, it is analyzed that the total cost to process flight inspection operations is decided by the scope of aircraft operation.

비행시뮬레이션을 통한 비행규격 이탈의 메타분석 (A meta-analytic study on flight data monitor of pilot's flight deviation parameters by flight simulation)

  • 신현삼;송병흠;임세훈;변순철
    • 대한안전경영과학회지
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    • 제10권3호
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    • pp.63-71
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    • 2008
  • This study was conducted with respect to the causal factors revealed through the investigation of the recent airlines aircraft crash accident which occurred while aircraft was on the climb-out or on the final approach. This study also highlighted the importance of flight deviation and exceedance occurrences in consideration of Flight Operational Quality Assurance Program(FOQA). Twenty airline pilots participated in the flight experiment to perform ten(10) sets of simulated approaches and landings. As a result, Twelve(12) kinds of deviation events were discovered. In this respect, The FOQA program must be fully implemented to prevent any flight safety incident under the auspices of the Korea domestic aviation community as well.

비행 정보 시각화를 위한 DMM 시스템의 구현 (Implementation of the DMM System for Flight Information Visualization)

  • 허화라;박명철
    • 디지털산업정보학회논문지
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    • 제7권3호
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    • pp.115-121
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    • 2011
  • The flight information visualization of the aircraft is the system which is widely used to the threat against low altitude tasks and terrain altitude. But, it is difficult to implement the system because of restrictions that GPS data and huge geographic information should be stored. In this paper, it proposes economic DMM (Digital Moving Map) system for flight information visualization from open-source-base. First, the flight information is transferred from X-Plane through UDP and then demonstrated on the DMM system. In the proposed DMM system, flight information is visualized on the map information downloaded from an ArcGIS Map server using the mapping data between the present altitude of the aircraft and the terrain altitude. The result of this paper could be used an economic tool in the field of flight information visualization and the game algorithm research.