Saadvandi 200809

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Title: "Passivity Preserving Model Reduction and Selection of Spectral Zeros "

Abstract: "In this presentation we will show projection methods, developed by Sorensen and Antoulas, for model order reduction. The algorithms are designed for passivity preserving model reduction of linear time invariant systems. The algorithms are based upon interpolation at selected spectral zeros of the original transfer function to produce a reduced transfer function that has the specified roots as its spectral zeros. We show a (numerical) problem which might occur during application of the methods and discuss ways to deal with it. We also discuss which spectral zeros we should take to have a better approximation."

Speaker: Maryam Saadvandi, Masters Student TSCOM, KTH

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