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Avionics/Control co-design for large flexible space structures

Alazard, Daniel and Loquen, Thomas and De Plinval, Henry and Cumer, Christelle Avionics/Control co-design for large flexible space structures. (2013) In: AIAA Guidance, Navigation, and Control (GNC) Conference, 12 August 2013 - 22 August 2013 (Boston, United States).

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Official URL: http://dx.doi.org/10.2514/6.2013-4638

Abstract

In this paper, a multi-model H1 synthesis scheme for fixed-structure controller design is developed and applied to the attitude control of a highly flexible earth-observation satellite. The particularity of the proposed approach is that the decision variables optimized by the fixed-structure Hinfinity solver include the structured controller parameters but also some parameters which characterize the avionics. Furthermore the proposed control scheme can be very easily adapted to a new configuration of sensors and thus can handle gyro or gyroless configurations. This way, various avionics configurations can be easily evaluated. The avionics characteristics for a given configuration and the control law can be simultaneously optimized avoiding time-consuming iterations between the definition of avionics and the design of the controller on the basis of the current avionics. The approach is applied on a earth observation satellite for two different study cases. The first one aims to design an improved controller in order to meet the nominal requirements with a poor avionics. The second ones aims to find a controller and an improved avionics to meet very challenging requirements.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to AIAA. The definitive version is available at Aerospace Research Central (ARC) web site: http://arc.aiaa.org/doi/abs/10.2514/6.2013-4638
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
French research institutions > Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE)
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Deposited By: Daniel Alazard
Deposited On:03 Feb 2015 15:46

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