Abstract
항공기 사고 중에서 주요 원인 중 하나인 조종상태 지상충돌(Controlled Flight Into Terrain, CFIT)을 해결하기 위하여 대지 접근 경고 장치(Ground Proximity Warning System, GPWS)를 사용하여 항공기 아랫부분의 지형에 대해서 지형충돌 경고를 출력한다. 이러한 대지 접근 경고 장치도 적시에 경고가 발생하지 않아 많은 문제가 있었다. 본 논문에서는 비행 상태와 지형정보를 이용하여 속도가 빠르고, 고기동을 하는 전투기에 대해서 보다 효율적인 지형/장애물 충돌 회피 경고 알고리듬을 개발하였다. 이 알고리듬에는 조종사의 반응시간을 포함하여 항공기의 지연시간을 고려하였고, 일련의 검증을 통해 실제 탑재 가능한 알고리듬을 제시하였다. CFIT(Controlled Flight Into Terrain) is one of the major causes of aircraft accidents. In order to solve this problem, GPWS(Ground Proximity Warning System) is used to generate terrain collision warning using the distance between the aircraft and the underneath ground. Since the GPWS uses the vertical clearance only, it frequently generates false warnings. In this study, a terrain/obstacle collision avoidance warning algorithm was developed for fast flying and highly maneuvering fighters using the flight status and the geographic information. This algorithm condsiders the overall delay in the aircraft reactive motion including the pilot's reaction time. The paper presents a detailed logic and test methods.
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More From: Journal of the Korean Society for Aeronautical & Space Sciences
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