Abstract
Recent approaches for time-domain analysis of lumped circuits deal with differential-algebraic-equation (DAE) systems instead of SPICE-type resistive models. Although simple and powerful, DAE models based on modified nodal approaches require some restrictions related to redundant variables or circuit topology. In this context, the paper proposes an improved version that allows treating nonlinear analog circuits of any topology, including floating capacitors, magnetically coupled inductors, excess elements and controlled sources. The procedure has been implemented in a dedicated program that builds the symbolic DAE model and solves it numerically.
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Acknowledgments
This work was supported in part by the Romanian Ministry of Education, Research and Innovation under Grant PCE 539/2008.
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Mandache, L., Topan, D., Sirbu, IG. (2011). Universal Approach of the Modified Nodal Analysis for Nonlinear Lumped Circuits in Transient Behavior. In: Ao, SI., Gelman, L. (eds) Electrical Engineering and Applied Computing. Lecture Notes in Electrical Engineering, vol 90. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1192-1_7
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DOI: https://doi.org/10.1007/978-94-007-1192-1_7
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