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  • The Inria's Research Teams produce an annual Activity Report presenting their activities and their results of the year. These reports include the team members, the scientific program, the software developed by the team and the new results of the year. The report also describes the grants, contracts and the activities of dissemination and teaching. Finally, the report gives the list of publications of the year.

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DISCO - 2011

Section: New Results

Particle Swarm Optimization for reduced order Hinfini controllers with constraints handling

Participants : Guillaume Sandou, Gilles Duc [Supelec (E3S) Control Department] , Mohamed Yagoubi [Ecole des Mines de Nante] .

Efficient dedicated methods have been developed for Hinfinity controller synthesis. However, such methods require translating the design objectives using weighting filters, whose tuning is not easy; in addition they lead to high order controllers which have to be reduced. A particle swarm optimization method is used to solve both problems successively: after having optimized the filters according to the design specifications using a full order controller but no reformulation of the constraints, a reduced-order one is computed using the obtained filters. Experimental tests for a pendulum in the cart exhibit much than satisfactory results [95] , [52] . In addition, the design of Hinfinity static output feedback has been done and tested using the Compleib librairy and exhibiting similar results to those obtained with the HIFOO solver [86] .