Parameterized Model Order Reduction for Efficient Time and Frequency Domain Global Sensitivity Analysis of PEEC Circuits
关键词:
Parameterized model order reduction, partial element equivalent circuit, sensitivity analysis, time- and frequency-domain circuit simulation摘要
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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