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Design on stability augmentation system of flying wing aircraft using improved eigenstructure assignment with output feedback
Pages: 1111-1117
Year: Issue:  6
Journal: Control and Decision

Keyword:  flying wing aircrafteigenstructure assignmentstabilityrobustness;
Abstract: An improved eigenstructure assignment algorithm with output feedback is presented to solve the problem that the general eigenstructure assignment with output feedback can’t completely guarantee the stability of the closed-loop system. In this improved algorithm, the quadratic performance index is introduced to convert the problem of the closed-loop stability into a linear quadratic optimal control problem, which ensures the stability of the closed-loop system. Taking into account that the closed-loop system designed by eigenstructure assignment has a poor robustness, the condition for ensuring the system robustness is given to solve the robust problem of the closed-loop system. Finally, simulation results on a flying wing aircraft show the effectiveness of the eigenstructure assignment proposed.
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