Friday May 16, 2008, 11.00-12.00, Room 3721, Lindstedtsvägen 25

Stefan Almér, KTH

E-mail: almer@math.kth.se

The talk gives an overview of control and analysis
problems associated with pulse-modulated systems. We focus specially on
pulse-width modulated (PWM) systems and use the DC-DC converter as an
illustrative example throughout the talk.

In the talk I present a number of different approaches which have been used to model pulse-modulated systems for different purposes. A discrete time model was used for stability analysis. A sampled data model was used for H-infinity control synthesis and the so-called dynamic phasor model was used for both stability and harmonic analysis pf PWM systems.

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