Título:
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Dynamics and stability issues of a single-inductor dual-switching DC-DC converter
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Autor/a:
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Moreno Font, Vanessa; El Aroudi, Abdelali; Calvente, Javier; Giral, Roberto; Benadero García-Morato, Luis
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Otros autores:
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Universitat Politècnica de Catalunya. Departament de Física Aplicada; Universitat Politècnica de Catalunya. CEMAD - Caracterització Elèctrica de Materials i Dispositius |
Abstract:
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A single-inductor two-input two-output power electronic dc–dc converter can be used to regulate two generally nonsymmetric
positive and negative outputs by means of a pulsewidth modulation with a double voltage feedback. This paper studies the dynamic behavior of this system. First, the operation modes and the steady-state properties of the converter are addressed, and, then, a stability analysis that includes both the power stage and
control parameters is carried out. Different bifurcations are determined from the averaged model and from the discrete-time model.
The Routh–Hurwitz criterion is used to obtain the stability regions of the averaged (slow-scale) dynamics in the design parameter
space, and a discrete-time approach is used to obtain more accurate results and to detect possible (fast-scale) subharmonic oscillations.
Experimental measurements were taken from a system prototype to confirm the analytical results and numerical simulations.
Some possible nonsmooth bifurcations due to the change in the switching patterns are also illustrated. |
Materia(s):
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-Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència::Convertidors de corrent elèctric -Electric current converters -Convertidors de corrent elèctric |
Derechos:
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Tipo de documento:
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Artículo - Versión publicada Artículo |
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