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Paper Abstract and Keywords
Presentation 2005-03-26 11:00
An Efficient Homotopy Method for Solving Nonlinear Circuits
Kiyotaka Yamamura, Naoki Suzuki, Yu Imai (Chuo Univ.), Yasuaki Inoue (Waseda Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) 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 perating points of practical nonlinear circuits smoothly and efficiently. Numerical examples show the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) circuit simulation / DC operating point analysis / nonlinear circuit / homotopy method / / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 754, NLP2004-128, pp. 19-24, March 2005.
Paper # NLP2004-128 
Date of Issue 2005-03-19 (NLP) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee NLP  
Conference Date 2005-03-25 - 2005-03-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) (TBD) 
Paper Information
Registration To NLP 
Conference Code 2005-03-NLP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Efficient Homotopy Method for Solving Nonlinear Circuits 
Sub Title (in English)  
Keyword(1) circuit simulation  
Keyword(2) DC operating point analysis  
Keyword(3) nonlinear circuit  
Keyword(4) homotopy method  
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1st Author's Name Kiyotaka Yamamura  
1st Author's Affiliation Chuo University (Chuo Univ.)
2nd Author's Name Naoki Suzuki  
2nd Author's Affiliation Chuo University (Chuo Univ.)
3rd Author's Name Yu Imai  
3rd Author's Affiliation Chuo University (Chuo Univ.)
4th Author's Name Yasuaki Inoue  
4th Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-2 
Date Time 2005-03-26 11:00:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2004-128 
Volume (vol) vol.104 
Number (no) no.754 
Page pp.19-24 
#Pages
Date of Issue 2005-03-19 (NLP) 


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