The purpose of this work is to design a new layout for a quadrotor unmanned aerial vehicle (UAV) for experimental customized control-system validation. Geometrical and structural properties have been computed, and commercial off-the-shelf equipment has been selected. The flight control system, both hardware and software, has been custom developed; the same applies for the mathematical model describing the flight dynamics. Two proportional-derivative (PD) controllers have been designed and experimentally tested. A different control strategy with a state feedback controller has been implemented, assigning a robust eigenstructure and the desired dynamic specifications. An adaptive algorithm, which guarantees a uniformly bounded response for both the inputs and the outputs, has been presented. An L1 adaptive controller has been studied and implemented, including the state predictor and the adaptive and control laws. Tests with the PD controller have shown slowly stable response even in the event of numerical and vibrational noise. In conclusion, the L1 adaptive controller permits one to obtain optimal response characteristics, and the low-pass filter integrated in control law, combined with a Kalman filter, can reduce noise and correlate data between different sensors.
Mini Quadrotor UAV: Design and Experiment
Journal of Aerospace Engineering ; 25 , 4 ; 559-573
14.09.2012
152012-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Mini Quadrotor UAV: Design and Experiment
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