A stabilizing controller for PVTOL aircraft

A stabilizing controller structure is proposed for planar vertical take off and landing (PVTOL) aircraft. In order to achieve almost global asymptotic stabilization, the coupling coefficient, ε, is assumed to be in the interval 0 ≤ ε <; 1. Stability analysis is performed based on a Lyapunov function and asymptotic convergence is proven by means of La Salle's invariance principle. The proposed controller is implemented by numerical simulations on PVTOL aircraft and results are presented.