Abstract
We design a feedback control architecture for longitudinal flight of an aircraft. The multi-level architecture includes the flight control loop to govern the short-term dynamics of the aircraft, and the autopilot to control the long-term modes. Using \(H_\infty \) performance and robustness criteria, the problem is cast as a non-convex and non-smooth optimization program. We present a non-convex bundle method, prove its convergence, and show that it is apt to solve the longitudinal flight control problem.
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Acknowledgments
Financial support by Fondation de Recherche pour l’Aéronautique et l’Espace (FNRAE) under research grant Survol and by Fondation d’Entreprise EADS (FEADS) under research grant Technicom is gratefully acknowledged.
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Appendix
Appendix
The numerical data for the specific flight point Mach\(=0.7\), Altitude\(=5000\,ft\) used in (5) are
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Gabarrou, M., Alazard, D. & Noll, D. Design of a flight control architecture using a non-convex bundle method. Math. Control Signals Syst. 25, 257–290 (2013). https://doi.org/10.1007/s00498-012-0093-z
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DOI: https://doi.org/10.1007/s00498-012-0093-z