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The design of a indirect self-tuning power system nodal voltage regulator is presented. A recursive least-squares (RLS) algorithm with variable forgetting factor estimates at each sampling period the parameters of a suitable discrete-time linear model that describes in an approximated way the system dynamics from the regulation node. The proposed model comprises both an unknown bias representing the...
A new general method is derived for reduction of linear systems of equations with symbolic polynomial coefficients suitable for using sparse matrix techniques. Its implementation in a program for symbolic analysis of circuits offers significant advantages over the existing reduction method.
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