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조승규(Seung-gyu Cho),이인석(Ihn-seok Rhee),김병수(Byoung-soo Kim) 한국항공우주학회 2013 韓國航空宇宙學會誌 Vol.41 No.1
항공기 비행성 평가 과정에서는 수많은 평가의 반복이 필요하기 때문에 평가 시스템에 있어서 간결하고 명확한 응용 인터페이스가 중요하다. 본 비행성 평가 프로그램은 달라진 트림 조건의 사용자 환경과 함께 효율적인 비행성 평가 사용자 환경을 구현하였다. 그리고 14 항목으로 선별된 무인 고정익기의 비행성 평가 자동화 모듈을 모두 탑재한 종합평가 환경을 구성하였다. 이에 따라 비행제어시스템 개발은 물론 비행성이 고려된 항공기를 개발함에 있어서 검증 및 평가 과정에 소요되는 비용과 시간을 대폭 감소시키고 향후 확장성을 겸비한 유용한 시험 평가 검증 도구로 활용될 수 있을 것으로 사료된다. In an evaluation process of aircraft flying qualities, a clear and concise application interface is important since an evaluation process requires numerous repeated evaluation. This flight evaluation program have implemented efficient flight evaluation user interface along with changed trim condition interface and composed of comprehensive evaluation interface have mounted all automated FQ evaluation modules that was selected to be compose of 14 items in respect of an unmanned fixed-wing aircraft. Accordingly when it is necessary to design the flight control system as well as to develop a FQ considered aircraft, this S/W can be utilized as a tool that is a useful test evaluation S/W with scalability and enable to reduce the time and the cost of verification and evaluation process.ㄹ
Hardware-in-the-loop Simulation Test for the Formation Flight Instrumentation System
Rhee, Ihn-seok 한국기술교육대학교 2003 論文集 Vol.10 No.1
This paper is presented to describe the Hardware-in-the-loop simulation (HILSIM) environment for the Formation Flight Instrumentation System (FFIS) being developed by UCLA. The FFIS which is basically a strap down inertial navigation system aided with the Global Positioning System(GPS) has an ability of relative navigation for a formation flight purpose as well as absolute navigation. A GPS simulator which plays key role in the HILSIM is able to generate RF signal which can be received by real GPS receiver in the FFIS. The GPS simulator reads the positions and velocities of the vehicles from the vehicle simulators and generates RF signals based on the current positions and velocities. However there is a latency between the current position and velocity data and the RF signal. The latency is compensated by time advance technique.