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Awiator's Design of Multi-Objectives Control Laws

Authors:Jeanneau Matthieu, AIRBUS, France
Lamolie Jérôme, AIRBUS & Ecole Centrale de Lille, France
Puyou Guilhem, AIRBUS, France
Aversa Nicky, AIRBUS, France
Topic:7.3 Aerospace
Session:Aircraft Control Design
Keywords: Multi-objectives control, Active control, H-infinity optimisation, Wing loads alleviation, Handling qualities, Comfort, Robustness, Flexible, Flight control, Control law reduction.

Abstract

Following the works presented in St Petersburg during the 16th IFAC Symposium on Automatic Control in Aerospace, Airbus has been working on the design and evaluation of more integrated control laws, taking into account multi-objectives design criteria, gathering from the very beginning the specifications in term of handling qualities, comfort, loads, and robustness. A non-conservative H-infinity schema allows to directly associate each criterion to a dedicated exogenous transfer function and a tuning weighting. This approach offers an easy tuning, criterion by criterion, guaranteeing optimal results. This is also very convenient for industrial evaluation of reachable compromises between criteria, and Pareto-like plotting.