An efficient homotopy method for finding DC operating points of nonlinear circuits

被引：1

作者：

Yu, I ^{[1
]}

Yamamura, K ^{[1
]}

Inoue, Y ^{[1
]}

机构：

[1] Chuo Univ, Fac Sci & Engn, Tokyo 1128551, Japan

来源：

2005 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), VOLS 1-6, CONFERENCE PROCEEDINGS | 2005年

关键词：

D O I：

10.1109/ISCAS.2005.1465734

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Finding DC operating points of nonlinear circuits is an important problem in circuit simulation. The Newton-Raphson method employed in SPICE-like simulators often fails to converge to a solution. To overcome this convergence problem, homotopy methods have been studied from various viewpoints. There are several types of homotopy methods, one of which succeeded in solving bipolar analog circuits with more than 20000 elements with the theoretical guarantee of global convergence. In this paper, we propose an improved version of the homotopy method that can find DC operating points of practical nonlinear circuits smoothly and efficiently. Numerical examples show the effectiveness of the proposed method.

引用

页码：4911 / 4914

页数：4

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