Polynomial fault diagnosis of linear analog circuits

被引：2
|
作者：
Garczarczyk, Zygmunt A. [1 ]
机构：
[1] Silesian Tech Univ, Fac Elect Engn, Gliwice, Poland
来源：
2007 EUROPEAN CONFERENCE ON CIRCUIT THEORY AND DESIGN, VOLS 1-3 | 2007年
关键词：
D O I：
10.1109/ECCTD.2007.4529728
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：
In this paper a diagnostic method for analog electronic circuits is presented. The approach is based on determination of the variations of circuit functions with use of higher order sensitivity coefficients. Knowing values of sensitivity coefficients one can formulate multivariate polynomial equations. The solution of test equations with respect to element's deviations results in fault identification. This task can be realized by using Grobner bases to transform a nonlinear equation into triangular form. It is solved by successive computation of the univariate polynomial equation and back substitution. Solution of the polynomial equation is treated as the eigenvalue problem of companion matrix by QR algorithm. Numerical results are presented to clarify method and prove its efficiency.
引用
收藏
页码：842 / 845
页数：4
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