Transient Simulation Based on State Variables and Waves

被引：6

作者：

Kabir, Muhammad ^{[1
]}

Christoffersen, Carlos ^{[2
]}

Kriplani, Nikhil ^{[3
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ, Canada

[2] Lakehead Univ, Dept Elect Engn, Thunder Bay, ON P7B 5E1, Canada

[3] N Carolina State Univ, Raleigh, NC 27695 USA

来源：

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2011年 / 21卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

transient analysis; waves; scattering matrix; wave digital filters; iterated timing analysis; state variables; fixed-point iteration; minimum polynomial extrapolation; FORM RELAXATION; NONLINEAR MICROWAVE; CIRCUIT SIMULATION; NEWTON;

D O I：

10.1002/mmce.20520

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This article reports a new method for transient analysis of nonlinear circuits based on nonlinear device state variables and waves at their ports. The method is based on relaxation and thus does not require large matrix decompositions if time step is constant. The use of waves results in guaranteed convergence for any linear passive circuit and some types of nonlinear circuits. Additionally, the formulation using waves ensures that nonlinear devices are always excited with a physically meaningful input, i.e., the amount of power transmitted to nonlinear devices is bounded. The method was implemented in the fREE-DA (TM) circuit simulator. The formulation, its properties, and a convergence analysis of the proposed method are presented first, followed by case studies. (C) 2011 Wiley Periodicals, Inc. Int J RF and Microwave CAE 21:314-324, 2011.

引用

页码：314 / 324

页数：11

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