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For quadrotor aircraft, atmospheric turbulence, wind shear, and model uncertainty are important factors which affect the quality of flight, or even lead to a failure of flight. In this paper, we consider the control problem of quadrotor aircraft with linear or nonlinear disturbances including model uncertainty. By employing backstepping technique, adaptive backstepping controllers are proposed which...
This paper presents an active disturbance rejection guidance method using quadratic transition for the atmospheric ascent guidance problem. The quadratic transition is designed from the current flight states with a reference trajectory planned off-board. For any states error, the solution of the designed quadratic transition converges to the reference trajectory. The guidance command is obtained from...
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