Analysis of direct current nonlinear electrical circuits by means of symbolic computation and genetic algorithms

The paper presents a method for the determination of the bias point of nonlinear electrical circuits, based on the modified nodal method, by utilization of symbolic computation and genetic algorithms. For the solving of the circuit it is written the equations system corresponding to the modified nod...

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Published in2014 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) pp. 175 - 178
Main Authors Enache, Florin Roman, Vizitiu, Iulian Constantin, Rincu, Cristian Iulian, Popescu, Florin Gabriel
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2014
Subjects
Equations
Genetic algorithms
Mathematical model
Military computing
Minimization
Nonlinear circuits
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Summary:The paper presents a method for the determination of the bias point of nonlinear electrical circuits, based on the modified nodal method, by utilization of symbolic computation and genetic algorithms. For the solving of the circuit it is written the equations system corresponding to the modified nodal method in a partial symbolic form. On the basis of the partial symbolic form of these equations an error function is generated which gives the circuit solution by minimization. In the paper are presented a few examples of circuits, for which iterative solving is not convergent. These circuits could be solved by means of the elaborated method.
ISSN:1842-0133
DOI:10.1109/OPTIM.2014.6851017