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A note on the Trajectory Optimization of a Rigid body aircraft
Osuga Hideyo,Takano Hiroyuki,Yamasaki Takeshi,Baba Yoriaki 한국항공우주학회 2008 한국항공우주학회 학술발표회 논문집 Vol.- No.-
Recently, the stability and performance of the aircraft are developed in many aspects, for example, new materials, new structures, wings like the supercritical wings or the winglets, engines like the scram engines or the TVC and many control methods using computers and fly-by-wire technology, etc. Therefore, those aircraft can fly on new trajectories which used to be impossible before. These maneuvers are totally new both for pilots and engineers and should be studied to know how to fly and which abilities are required to carry out such maneuvers very well. In this paper, we formulate the vertical maneuvers of a rigid body aircraft having the post stall maneuverability with the thrust vector control as optimal trajectory problems and analyzed them with the non-linear programming. We chose the night time as the performance index and solve it as a minimum time problem. Furthermore, on the phenomenon that occurred in this analysis, we tried to reduce the number of the variables by removing one control.
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