Title :
Passive reduced-order modeling via Krylov-subspace methods
Author :
Freund, Roland W.
Author_Institution :
Lucent Technol. Bell Labs., Murray Hill, NJ, USA
Abstract :
Krylov-subspace methods have become popular tools for reduced-order modeling of large-scale time-invariant linear dynamical systems. These techniques produce in a Pade sense optimal reduced-order models. However, when applied to passive systems, the Pade models do not preserve passivity in general. We describe a Krylov-subspace technique that generates passive reduced-order models. Results of numerical experiments with a passive system arising in VLSI circuit simulation are reported
Keywords :
MIMO systems; VLSI; circuit simulation; linear systems; reduced order systems; Krylov-subspace methods; Pade models; VLSI circuit simulation; large-scale time-invariant linear dynamical systems; optimal reduced-order models; passive reduced-order modeling; Circuit simulation; Differential algebraic equations; Electronic circuits; Large-scale systems; Nonlinear equations; RLC circuits; Reduced order systems; Surges; Transfer functions; Very large scale integration;
Conference_Titel :
Computer-Aided Control System Design, 2000. CACSD 2000. IEEE International Symposium on
Conference_Location :
Anchorage, AK
Print_ISBN :
0-7803-6566-6
DOI :
10.1109/CACSD.2000.900221
