Type of Document Master's Thesis Author Ajami, Amir Farrokh URN etd-12052005-234041 Title Adaptive Flight Control in the Presence of Input Constraints Degree Master of Science Department Aerospace and Ocean Engineering Advisory Committee
Advisor Name Title Hovakimyan, Naira Committee Chair Schaub, Hanspeter Committee Member Woolsey, Craig A. Committee Member Keywords
- Control Saturation
- Adaptive Control
- Flight Control
Date of Defense 2005-12-02 Availability unrestricted AbstractAerospace systems such as aircraft or missiles are subject to environmental and dynamical ncertainties. These uncertainties can alter the performance and stability of these systems. Adaptive control offers a useful means for controlling systems in the presence of uncertainties. However, very often adaptive
controllers require more control effort than the actuator limits allow. In this thesis the original work of others on single input single output adaptive control in the presence of actuator amplitude limits is extended to multi-input systems. The Lyapunov based stability analysis is presented. Finally, the resultant technique is applied to aircraft and missile longitudinal motion.
Simulation results show satisfactory tracking of the states of modified reference system.
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