A survey of safety separation management and collision avoidance approaches of civil UAS operating in integration national airspace system |
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Affiliation: | 1. Department of General Aviation, Civil Aviation Management Institute of China, Beijing 100102, China;2. General Aviation Institute of Zhejiang JianDe, Hangzhou 311600, China;3. School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, United Kingdom |
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Abstract: | Recent years have witnessed a booming of the industry of civil Unmanned Aircraft System (UAS). As an emerging industry, the UAS industry has been attracting great attention from governments of all countries and the aviation industry. UAS are highly digitalized, informationized, and intelligent; therefore, their integration into the national airspace system has become an important trend in the development of civil aviation. However, the complexity of UAS operation poses great challenges to the traditional aviation regulatory system and technical means. How to prevent collisions between UASs and between UAS and manned aircraft to achieve safe and efficient operation in the integrated operating airspace has become a common challenge for industry and academia around the world. In recent years, the international community has carried out a great amount of work and experiments in the air traffic management of UAS and some of the key technologies. This paper attempts to make a review of the UAS separation management and key technologies in collision avoidance in the integrated airspace, mainly focusing on the current situation of UAS Traffic Management (UTM), safety separation standards, detection system, collision risk prediction, collision avoidance, safety risk assessment, etc., as well as an analysis of the bottlenecks that the current researches encountered and their development trends, so as to provide some insights and references for further research in this regard. Finally, this paper makes a further summary of some of the research highlights and challenges. |
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Keywords: | Air transportation Collision avoidance Safety Separation control Unmanned aircraft system |
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