Abstract
Active control for nonlinear aeroelastic structures is an attractive innovative technology. The design of classic active flutter controllers has often been based on low-fidelity and low-accuracy linear aerodynamic models. Multi-physics high-fidelity reduced order model (ROM) was used to design active control laws. In order to provide a lower-order model for controllers design, a balanced proper orthogonal decomposition ROM (POD-BT/ROM) was investigated. A state-space aeroservoelastic model and the active flutter suppression control law design method based on POD-BT/ROM were proposed. The effectiveness of the proposed method was then demonstrated by NACA 0012 airfoil, AGARD 445.6 wing and the Goland wing+ aeroelastic model.
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Acknowledgements
The work was partially supported by the National Natural Science Foundation of China (10902082, 91016008), New Faculty Research Foundation of XJTU, and the Funds for the Central Universities (xjj20100126).
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Gang, C., Jian, S. & Yueming, L. Active flutter suppression control law design method based on balanced proper orthogonal decomposition reduced order model. Nonlinear Dyn 70, 1–12 (2012). https://doi.org/10.1007/s11071-012-0392-4
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DOI: https://doi.org/10.1007/s11071-012-0392-4