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Gain scheduling with guardian maps for longitudinal flight control

Saussié, David and Saydy, Lahcen and Akhrif, Ouassima and Bérard, Caroline Gain scheduling with guardian maps for longitudinal flight control. (2011) Journal of Guidance, Control, and Dynamics , vol. 34 (n° 4). pp. 1045-1059. ISSN 0731-5090

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Official URL: http://www.aiaa.org/content.cfm?pageid=406&gTable=jaPaper&gid=52178

Abstract

A new approach to gain scheduling of linear controllers is proposed and applied to a longitudinal flight control pro-blem. Traditionally, gain scheduling is done a posteriori by the interpolation of controller gains designed for several operating points or conditions. The method proposed here is based on guardian maps and does not require as many linear controller syntheses as there are design points. Rather, it extends the performance of an initial single controller carried out on an arbitrary operating point to the entire domain while ensuring generalized stability all along the process. The method, which uses a given fixed architecture controller, is successfully applied on the longitudinal flight control of a business jet aircraft.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Ecole Polytechnique de Montréal (CANADA)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > Université du Québec - UQ (CANADA)
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Deposited By:caroline bérard

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