1990년대 말 미국에서는 미래 자유비행 기술개발 및 시험을 추진하였고, 이에 정부에서도 자유비행을 실현 할 계획을 수립하였다. 자유비행 실현을 위해서는 항공기 간 충돌의 예방을 위해 항공기 분리보증(Separation Assurance)이 필수적이다. 현대 대형 민간항공기는 충돌회피장치(TCAS : Traffic Collision Avoidance System) 운영 및 회피 기동 규칙이 있지만, ...
1990년대 말 미국에서는 미래 자유비행 기술개발 및 시험을 추진하였고, 이에 정부에서도 자유비행을 실현 할 계획을 수립하였다. 자유비행 실현을 위해서는 항공기 간 충돌의 예방을 위해 항공기 분리보증(Separation Assurance)이 필수적이다. 현대 대형 민간항공기는 충돌회피장치(TCAS : Traffic Collision Avoidance System) 운영 및 회피 기동 규칙이 있지만, 공역 용량이 포화상태가 아닌 조건에서만 적용 가능하며 소형항공기의 경우 제도적 마련이 필수적이다. 경량항공기는 비용과 공간 문제로 TCAS를 적용하기 어려우므로 이에 대한 대안이 필요하며 본 논문에서는 ADS-B를 채택하여 TCAS 충돌경보 알고리즘을 이용하여 TCAS의 경보기능을 LABVIEW 프로그램으로 시뮬레이션하여 가능성을 시험해보았다. 시뮬레이션은 항공기 충돌이 일어날 수 있는 가능한 모든 상황에 대하여 분석하였고 알고리즘의 성능을 확인하였다.
1990년대 말 미국에서는 미래 자유비행 기술개발 및 시험을 추진하였고, 이에 정부에서도 자유비행을 실현 할 계획을 수립하였다. 자유비행 실현을 위해서는 항공기 간 충돌의 예방을 위해 항공기 분리보증(Separation Assurance)이 필수적이다. 현대 대형 민간항공기는 충돌회피장치(TCAS : Traffic Collision Avoidance System) 운영 및 회피 기동 규칙이 있지만, 공역 용량이 포화상태가 아닌 조건에서만 적용 가능하며 소형항공기의 경우 제도적 마련이 필수적이다. 경량항공기는 비용과 공간 문제로 TCAS를 적용하기 어려우므로 이에 대한 대안이 필요하며 본 논문에서는 ADS-B를 채택하여 TCAS 충돌경보 알고리즘을 이용하여 TCAS의 경보기능을 LABVIEW 프로그램으로 시뮬레이션하여 가능성을 시험해보았다. 시뮬레이션은 항공기 충돌이 일어날 수 있는 가능한 모든 상황에 대하여 분석하였고 알고리즘의 성능을 확인하였다.
At the end of 1990s, America implemented technology development for future free flight and test. As this is the case, government has established plan for realizing free flight. To do this, flight separation assurance for preventing collision between planes are necessary. Today, large private flights...
At the end of 1990s, America implemented technology development for future free flight and test. As this is the case, government has established plan for realizing free flight. To do this, flight separation assurance for preventing collision between planes are necessary. Today, large private flights have Traffic Collision Avoidance System (TCAS) operation and evasion steering regulation, however, this is only applicable under the condition air capacity is not saturated and thus, institution has to be established for small airplanes. This research has changed TCAS collision alert algorithm and studies about the revised algorithm. This changed algorithm assumes ADS-B environment and this research aims it to have the same function with the existing algorithm by putting GPS information. After changing, among three collision situations suggested by ICAO, it has applied high level isolation of ‘attention’ and ‘danger’ respectively. Then, it has implemented simulation on 6 types of situations. As a result of simulation, alert alarm similar to that of TCAS was done. Through this, function of algorithm was confirmed. This simulation has considered GPS information was received without error every second through ADS-B. Therefore, to increase accuracy of verification through simulation done in this research various simulations on different situations are required. What is more, test process of applying it to the actual operating flight and algorithm related to avoidance instructions are required. In the future, we will be able to inspect 100NM area which is distance range of ADS-B and provide more accurate traffic information to the pilot through those additional researches. Furthermore, it is expected that there will be a noticeable decrease in risk to airplanes which has IFR flight in the upcoming free flight.
At the end of 1990s, America implemented technology development for future free flight and test. As this is the case, government has established plan for realizing free flight. To do this, flight separation assurance for preventing collision between planes are necessary. Today, large private flights have Traffic Collision Avoidance System (TCAS) operation and evasion steering regulation, however, this is only applicable under the condition air capacity is not saturated and thus, institution has to be established for small airplanes. This research has changed TCAS collision alert algorithm and studies about the revised algorithm. This changed algorithm assumes ADS-B environment and this research aims it to have the same function with the existing algorithm by putting GPS information. After changing, among three collision situations suggested by ICAO, it has applied high level isolation of ‘attention’ and ‘danger’ respectively. Then, it has implemented simulation on 6 types of situations. As a result of simulation, alert alarm similar to that of TCAS was done. Through this, function of algorithm was confirmed. This simulation has considered GPS information was received without error every second through ADS-B. Therefore, to increase accuracy of verification through simulation done in this research various simulations on different situations are required. What is more, test process of applying it to the actual operating flight and algorithm related to avoidance instructions are required. In the future, we will be able to inspect 100NM area which is distance range of ADS-B and provide more accurate traffic information to the pilot through those additional researches. Furthermore, it is expected that there will be a noticeable decrease in risk to airplanes which has IFR flight in the upcoming free flight.
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