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Mixed H2 infinity H1 control design for mechanical systems: analytical and numerical developments

Alazard, Daniel and Fezans, Nicolas and Imbert, Nicole Mixed H2 infinity H1 control design for mechanical systems: analytical and numerical developments. (2008) In: AIAA Guidance navigation and control conference, 18-21 Aug 2008, Honnolulu, Hawaï, United States .

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Official URL: http://www.aiaa.org/content.cfm?pageid=230&lumeetingid=1853


This paper deals with mixed H2infinty H1 state feedback control applied to mechanical systems. The H1 infinty constraint allows to specify disturbance rejection performance on the acceleration sensibility function while the H2infinty optimization allows to minimize the energy consumption. In the one d.o.f. case, optimality conditions are derived literally to interpret the various admissible solutions according to the frequency response of the weighted open-loop acceleration sensibility function, that is: on the frequency range where the disturbance rejection performance must be increased by the control law. Solutions to this problem in the multi-variable case using numerical solvers are discussed. Some illustrative examples, including aircraft lateral flight control laws, are proposed to highlight main results.

Item Type:Conference or Workshop Item (Paper)
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)
French research institutions > Centre National d'Études Spatiales - CNES (FRANCE)
Laboratory name:
Département de Mathématiques, Informatique, Automatique - DMIA (Toulouse, France) - Automatique, Dynamique et Interface des Systèmes - ADIS
Deposited On:14 Jan 2009 10:57

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