| Presentation | 2018-10-19 An efficient variable-gain homotopy method for finding DC operating points of transistor circuits Kiyotaka Yamamura, Takumi Shimada, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Homotopy methods are known to be effective methods for finding DC operating points of nonlinear circuits with the theoretical guarantee of global convergence There are several types of homotopy methods; as one of the most efficient methods for solving bipolar transistor circuits, the variable-gain homotopy (VGH) method is well-known. In this paper, we propose an efficient VGH method where a more effective linear function is used in the homotopy function. By numerical examples, it is shown that the proposed method is more efficient than the conventional VGH method. It is also shown that the proposed method is globally convergent for modified nodal equations and can be implemented in SPICE easily without writing complicated programs. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | circuit simulation / DC operating point analysis / nonlinear circuit / non-convergence problem / homotopy method |
| Paper # | CAS2018-51,NLP2018-86 |
| Date of Issue | 2018-10-11 (CAS, NLP) |
| Conference Information | |
| Committee | CAS / NLP |
|---|---|
| Conference Date | 2018/10/18(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mathematical modeling, numerical simulation etc. |
| Chair | Hideaki Okazaki(Shonan Inst. of Tech.) / Norikazu Takahashi(Okayama Univ.) |
| Vice Chair | Taizo Yamawaki(Hitachi) / Hiroaki Kurokawa(Tokyo Univ. of Tech.) |
| Secretary | Taizo Yamawaki(Shonan Inst. of Tech.) / Hiroaki Kurokawa(Hitachi) |
| Assistant | Motoi Yamaguchi(Renesas Electronics) / Masayuki Kimura(Kyoto Univ.) / Yutaka Shimada(Saitama Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Circuits and Systems / Technical Committee on Nonlinear Problems |
|---|---|
| Language | ENG-JTITLE |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An efficient variable-gain homotopy method for finding DC operating points of transistor circuits |
| Sub Title (in English) | |
| Keyword(1) | circuit simulation |
| Keyword(2) | DC operating point analysis |
| Keyword(3) | nonlinear circuit |
| Keyword(4) | non-convergence problem |
| Keyword(5) | homotopy method |
| 1st Author's Name | Kiyotaka Yamamura |
| 1st Author's Affiliation | Chuo University(Chuo Univ.) |
| 2nd Author's Name | Takumi Shimada |
| 2nd Author's Affiliation | Chuo University(Chuo Univ.) |
| Date | 2018-10-19 |
| Paper # | CAS2018-51,NLP2018-86 |
| Volume (vol) | vol.118 |
| Number (no) | CAS-242,NLP-243 |
| Page | pp.pp.75-79(CAS), pp.75-79(NLP), |
| #Pages | 5 |
| Date of Issue | 2018-10-11 (CAS, NLP) |