We propose an algorithm for the identification of guaranteed stable parameterized macromodels from sampled frequency responses. The proposed scheme is based on the standard Sanathanan-Koerner iteration in its parameterized form, which is regularized by adding a set of inequality constraints for enforcing the positiveness of the model denominator at suitable discrete points. We show that an ad hoc aggregation of such constraints is able to stabilize the iterative scheme by significantly improving its convergence properties, while guaranteeing uniformly stable model poles as the parameter(s) change within their design range.
On stabilization of parameterized macromodeling / Zanco, A.; Grivet-Talocia, S.; Bradde, T.; De Stefano, M.. - ELETTRONICO. - (2019), pp. 1-4. (Intervento presentato al convegno 23rd IEEE Workshop on Signal and Power Integrity, SPI 2019 tenutosi a Chambery, France nel 18-21 June, 2019) [10.1109/SaPIW.2019.8781639].
On stabilization of parameterized macromodeling
Zanco A.;Grivet-Talocia S.;Bradde T.;De Stefano M.
2019
Abstract
We propose an algorithm for the identification of guaranteed stable parameterized macromodels from sampled frequency responses. The proposed scheme is based on the standard Sanathanan-Koerner iteration in its parameterized form, which is regularized by adding a set of inequality constraints for enforcing the positiveness of the model denominator at suitable discrete points. We show that an ad hoc aggregation of such constraints is able to stabilize the iterative scheme by significantly improving its convergence properties, while guaranteeing uniformly stable model poles as the parameter(s) change within their design range.File | Dimensione | Formato | |
---|---|---|---|
cnf-2019-spi-robust.pdf
accesso aperto
Descrizione: Post-Print author version
Tipologia:
2. Post-print / Author's Accepted Manuscript
Licenza:
Pubblico - Tutti i diritti riservati
Dimensione
660.85 kB
Formato
Adobe PDF
|
660.85 kB | Adobe PDF | Visualizza/Apri |
Pubblicazioni consigliate
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
https://hdl.handle.net/11583/2752697
Attenzione
Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo