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Adaptive retuning of feedforward controller – Application to the airbrake compensation of an aircraft

Ronceray, Lilian and Mouyon, Philippe and Tebbani, Sihem and Puyou, Guilhem and Alazard, Daniel Adaptive retuning of feedforward controller – Application to the airbrake compensation of an aircraft. (2009) In: European Control Conference 2009 - ECC’09, 23-26 Aug 2009, Budapest, Hungary .

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This paper deals with the adaptive retuning of a feed-forward controller, under the normalized lattice form, for a parameter-varying closed-loop system. The objective is to tune the controller in real-time during specific flights so that it does not need the adaptive part in nominal operation. The method was developed to help aeronautical design engineers to retune specific feedforward control laws at the early stage of the design process, i.e. when aircraft models are not fully reliable. The idea is to give more weight to the system itself in the control laws tuning process. Using a design method based on inverse simulation, we use a combination of adaptive filtering, local learning and optimal control techniques to achieve a real-time tuning. The method consists in estimating the system’s inverse response in real-time using feedback control and in locally retuning the control law, whose parameters are interpolated using neural networks. The method is tested on the airbrake compensation of a civilian aircraft.

Item Type:Conference or Workshop Item (Paper)
Audience (journal):International peer-reviewed journal
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Ecole Supérieure d'Electricité - SUPELEC (FRANCE)
French research institutions > Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE)
Other partners > Airbus (FRANCE)
Laboratory name:
Deposited On:05 May 2009 16:22

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