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this research describes an adaptive nonlinear trajectory tracking controller for a vertical take-off and landing flyer called quadrotor. The control objective is to stabilize the fast unstable dynamics of system while performing trajectory tracking maneuver in presence of external disturbances, measurement noises and uncertainty in model parameters. With an appropriate prediction and performing backstepping...
Recent robust analysis techniques are applied to assess the robust stability and robust performances of the longitudinal control system of an aircraft. Two different uncertain models, polytopic or LFT models are considered. Robust analysis certificates are built by computing unique Lyapunov functions or parameter dependent Lyapunov functions (PDLF). Several criteria are dealt with: Closed-loop pole...
An adaptive robust integrated power and attitude control system (IPACS) is presented for a variable speed control moment gyroscope (VSCMG)-actuated satellite. The developed IPACS method is capable of achieving precision attitude control while simultaneously achieving asymptotic power tracking for a rigid-body satellite in the presence of dynamic uncertainty in the VSCMG gimbals and wheels. In addition,...
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