Sensitivity analysis of analog circuits based on a modified nodal approach

Mandache, Lucian; Iordache, Mihai; Dumitriu, Lucia; Sirbu, Ioana Gabriela; Niculae, Dragoş

doi:10.1109/optim.2014.6850899

Cited by 4 publications

(1 citation statement)

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“…Another widespread approach is implementation of the modified nodal matrix [10,11]. But obtained results are not compact and include cancellations so the expressions often present only in semisymbolic form.…”

Section: Introductionmentioning

confidence: 99%

A Cancellation-Free Symbolic Sensitivity Technique Based on Network Determinant Expansion

Filaretov

Gorshkov

KURGANOV

2015

Advances in Electrical Engineering

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The generalization of Bode’s sensitivity analysis technique for all types of the transfer functions and circuit elements is presented in the paper. The proposed formulae for first- and second-order symbolic sensitivity calculation provide the compact size of obtained expression and have the advantages of cancellation-free sum-of-product terms and matrix-free computation. This is achieved by means of the concept of high order summative cofactors and the generalized parameter extraction method. The proposed technique is implemented in symbolic circuit analysis program Cirsym. Illustrative example on symbolic sensitivity circuit analysis and comparison of the presented technique with the transimpedance method and the method based on the modified Coates flow-graph are given.

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Section: Introductionmentioning

confidence: 99%