Parameterized Model Order Reduction for Efficient Time and Frequency Domain Global Sensitivity Analysis of PEEC Circuits

Authors

  • L. De Camillis 1UAq EMC Laboratory, Dipartimento di Ingegneria Industriale e dell’Informazione e di Economia, Universit`a degli Studi dell’Aquila, Via G. Gronchi 18, 67100, L’Aquila, Italy
  • G. Antonini UAq EMC Laboratory, Dipartimento di Ingegneria Industriale e dell’Informazione e di Economia, Universit`a degli Studi dell’Aquila, Via G. Gronchi 18, 67100, L’Aquila, Italy
  • F. Ferranti Department of Fundamental Electricity and Instrumentation, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium

Keywords:

Parameterized model order reduction, partial element equivalent circuit, sensitivity analysis, time- and frequency-domain circuit simulation

Abstract

This paper presents a new parameter- ized model order reduction technique to efficiently perform global time- and frequency-domain sensitiv- ity analysis of electromagnetic systems over the de- sign space of interest. The partial element equivalent circuit (PEEC) method is adopted to build the elec- tromagnetic system model at a set of initial samples in the design space. The block Laguerre-SVD algo- rithm is proposed to reduce the size of the original equations of the PEEC-based equivalent circuit along with those describing the port voltage and current sensitivities. Then, a multivariate cubic spline in- terpolation method is used to build a parameterized compact model of port voltages and currents along with their corresponding sensitivities over the entire design space of interest. Finally, two numerical exam- ples are presented, which conrm the accuracy and efficiency of the proposed method.

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Published

2021-08-08

How to Cite

[1]
L. De Camillis, G. Antonini, and F. Ferranti, “Parameterized Model Order Reduction for Efficient Time and Frequency Domain Global Sensitivity Analysis of PEEC Circuits”, ACES Journal, vol. 31, no. 10, pp. 1170–1180, Aug. 2021.

Issue

2016: Vol 31 Iss 10

Section

Articles