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  • Augmented L1 adaptive track...
    Zuo, Zongyu; Ru, Pengkai

    IEEE transactions on aerospace and electronic systems, 2014-October, 2014-10-00, 20141001, Volume: 50, Issue: 4
    Journal Article

    This paper addresses a new trajectory tracking controller for quad-rotor aircrafts in the presence of time-varying aerodynamic effect and bounded external disturbance using the novel L 1 adaptive control methodology augmented with nonlinear feed-forward compensations. The proposed augmented L 1 adaptive controller achieves uniformly bounded transient and asymptotic tracking of the output signal for any designated bounded reference trajectory. Finally, simulations of tracking a circular reference trajectory are performed to illustrate the validity of the proposed controller.