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Japan Aerospace Exploration Agency

Flying characteristics and evaluation technology of V/STOL aircraft

JAXA conducts research and development of Quad Tilt Wing VTOL aircraft. The vertical and short taking off and landing (V/STOL) aircraft can improve future air transportation dramatically. To accommodate such R & D activities, it is essential to build an appropriate environment in which accurate simulation of the unique feature of V/STOL aircraft is possible. Flying quality and design standards for safety need to be simulated and evaluated in such an environment. With the aim of gaining an accurate understanding of the rapid transition of flight characteristics of V/STOL flight in the course of its flight, from speed zero to cruising speed at high altitudes, the research involves developing an environment that accurately simulate the unique features of V/STOL aircraft, as well as the development of safety standards and evaluation methods. The research also looks into effective processes for design and analysis. The R & D consists of two phases; the development of effective controlling algorithms that enable safe and smooth flight transition, and the development of scaled unmanned flight demonstration systems to assess and verify the feasibility of developed controlling algorithms at a low cost.