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Attitude Stabilization of an Aircraft via Nonlinear Optimal Control Based on Aerodynamic Data
Yuhei Yamato,Noboru Sakamoto,Morio Takahama 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In this paper, a stabilization problem for an aircraft at a high angle of attack is considered. Though aircrafts obtain large lift force over the high angle of attack regime, nonlinearities of aerodynamics over the regime are considerably high. Using aerodynamic coeffients data given as a table, we design a nonlinear optimal control law to stabilize an existing aircraft at a high angle of attack by a new method based on stable manifold theory. As a result, the nonlinear optimal control law stabilizes attitudes of the aircraft in a larger region than the linear optimal control does.