Nonlinear control systems: an introduction (2nd ed.)
Nonlinear control systems: an introduction (2nd ed.)
Nonlinear and Adaptive Control Design
Nonlinear and Adaptive Control Design
Robust full degree-of-freedom tracking control of a helicopter
Automatica (Journal of IFAC)
Advances in Unmanned Aerial Vehicles: State of the Art and the Road to Autonomy
Advances in Unmanned Aerial Vehicles: State of the Art and the Road to Autonomy
Autonomous Flying Robots: Unmanned Aerial Vehicles and Micro Aerial Vehicles
Autonomous Flying Robots: Unmanned Aerial Vehicles and Micro Aerial Vehicles
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This paper considers the question of obtaining a nonlinear trajectory tracking control law for a comprehensive design of a Gun Launched Micro Aerial Vehicle (GLMAV) despite unknown aerodynamic efforts. To this purpose, a nonlinear mathematical model of the GLMAV is firstly presented for hover and near hover flight conditions. Then, an approximate backstepping control law is derived, allowing the trajectory tracking and the stabilization of the vehicle's position and orientation while on-line estimating the unknown aerodynamics efforts. The main idea of the control law is to separate the controller into a position controller in cascade with an orientation controller. The control design will be extended such that the interconnection term between the cascaded sub-systems is minimised. Finally, numerical simulations are used to demonstrate the control law's good performance.