Retouche de correcteurs par optimisation convexe application au pilotage d'un lanceur spatial

Mohamed Abbas-Turki; Gilles Duc; Benoît Clement

doi:10.3166/jesa.40.997-1017

Retouche de correcteurs par optimisation convexe application au pilotage d'un lanceur spatial

Translated title of the contribution: Correction of correctors by convex optimization application to the piloting of a space launcher

Mohamed Abbas-Turki, Gilles Duc, Benoît Clement

Research output: Contribution to journal › Article › peer-review

Abstract

The advanced methods of Automatic control often yield high order controllers, which have to be reduced. However the reduction generally yields a lack of performance in such a way that the set of specifications is no longer satisfied. To solve this problem, a method for retuning the controller is proposed which allows to reduce the reduction error on the frequency response, in frequency domains considered as crucial for satisfying the specifications. The constraints on the the reduction error are expressed using LMIs, so that the problem is relevant to convex optimisation. The application to the reduction of a controller designed for a space launcher underlines the efficiency of the proposed approach.

Translated title of the contribution	Correction of correctors by convex optimization application to the piloting of a space launcher
Original language	French
Pages (from-to)	997-1017
Number of pages	21
Journal	Journal Europeen des Systemes Automatises
Volume	40
Issue number	9-10
DOIs	https://doi.org/10.3166/jesa.40.997-1017
Publication status	Published - 2006
Externally published	Yes

Keywords

Controller retuning
Convex optimization
LMI

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10.3166/jesa.40.997-1017Licence: In Copyright

https://hal-supelec.archives-ouvertes.fr/hal-00452968Licence: In Copyright

Cite this

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title = "Retouche de correcteurs par optimisation convexe application au pilotage d'un lanceur spatial",

abstract = "The advanced methods of Automatic control often yield high order controllers, which have to be reduced. However the reduction generally yields a lack of performance in such a way that the set of specifications is no longer satisfied. To solve this problem, a method for retuning the controller is proposed which allows to reduce the reduction error on the frequency response, in frequency domains considered as crucial for satisfying the specifications. The constraints on the the reduction error are expressed using LMIs, so that the problem is relevant to convex optimisation. The application to the reduction of a controller designed for a space launcher underlines the efficiency of the proposed approach.",

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AU - Duc, Gilles

AU - Clement, Benoît

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N2 - The advanced methods of Automatic control often yield high order controllers, which have to be reduced. However the reduction generally yields a lack of performance in such a way that the set of specifications is no longer satisfied. To solve this problem, a method for retuning the controller is proposed which allows to reduce the reduction error on the frequency response, in frequency domains considered as crucial for satisfying the specifications. The constraints on the the reduction error are expressed using LMIs, so that the problem is relevant to convex optimisation. The application to the reduction of a controller designed for a space launcher underlines the efficiency of the proposed approach.

AB - The advanced methods of Automatic control often yield high order controllers, which have to be reduced. However the reduction generally yields a lack of performance in such a way that the set of specifications is no longer satisfied. To solve this problem, a method for retuning the controller is proposed which allows to reduce the reduction error on the frequency response, in frequency domains considered as crucial for satisfying the specifications. The constraints on the the reduction error are expressed using LMIs, so that the problem is relevant to convex optimisation. The application to the reduction of a controller designed for a space launcher underlines the efficiency of the proposed approach.

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KW - Convex optimization

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ER -

Retouche de correcteurs par optimisation convexe application au pilotage d'un lanceur spatial

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Keywords

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