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Cristin-resultat-ID:
1274134
Sist endret:
24. september 2015, 21:47
Resultat
Vitenskapelig artikkel
2007
Computer code for passivity enforcement of rational macromodels by residue perturbation
Bjørn Alfred Gustavsen
Tidsskrift
Tidsskrift
IEEE Transactions on Advanced Packaging
ISSN 1521-3323
e-ISSN 1557-9980
NVI-nivå 1
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Om resultatet
Om resultatet
Vitenskapelig artikkel
Publiseringsår: 2007
Volum: 30
Hefte: 2
Sider: 209 - 215
Importkilder
Importkilder
SINTEF AS-ID: S6006
Beskrivelse
Beskrivelse
Engelsk
Tittel
Computer code for passivity enforcement of rational macromodels by residue perturbation
Sammendrag
Passivity of rational macromodels is a necessary requirement for guaranteeing a stable time-domain simulation. This paper describes a freely available routine for passivity enforcement of multiport models (y parameters) using residue perturbation. The procedure calculates a correction to the original model by adjusting its residues and constant term as a postprocessing step while minimizing the model perturbation in the least squares (LS) sense. Control parameters are available for limiting the number of free variables and for specifying different LS weighting schemes. Two different constraint types can be specified, which helps to ensure reliable convergence when applied in an iterative scheme. Usage of a sparse solver is shown to greatly reduce the computation time. The software is demonstrated by several numerical examples. Copyright IEEE
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Bjørn Alfred Gustavsen
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