Limits of the frequency response for the analysis of ripple-based controllers

Cortés, Jorge; Svikovic, Vladimir; Alou Cervera, Pedro; Oliver Ramírez, Jesús Angel; Cobos Márquez, José Antonio y Wisniewski, Rafael (2013). Limits of the frequency response for the analysis of ripple-based controllers. En: "Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE", 17/03/2013 - 21/03/2013, Long Beach (California, USA). ISBN 978-1-4673-4355-8/13. pp. 1702-1708.

Descripción

Título: Limits of the frequency response for the analysis of ripple-based controllers
Autor/es:
  • Cortés, Jorge
  • Svikovic, Vladimir
  • Alou Cervera, Pedro
  • Oliver Ramírez, Jesús Angel
  • Cobos Márquez, José Antonio
  • Wisniewski, Rafael
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE
Fechas del Evento: 17/03/2013 - 21/03/2013
Lugar del Evento: Long Beach (California, USA)
Título del Libro: Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE
Fecha: 2013
ISBN: 978-1-4673-4355-8/13
Materias:
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Automática, Ingeniería Electrónica e Informática Industrial [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Advanced control techniques like V2, Vout hysteresis or V2Ic can strongly reduce the required output capacitance in PowerSoC converters. Techniques to analyze power converters based on the analysis of the frequency response are not suitable for ripple-based controllers that use fast-scale dynamics to control the power stage. This paper proves that the use of discrete modeling together with Floquet theory is a very powerful tool to model the system and derive stable region diagrams for sensitivity analysis. It is applied to V 2Ic control, validating experimentally that Floquet theory predicts accurately subharmonic oscillations. This method is applied to several ripplebased controllers, providing higher accuracy when it is compared with other techniques based on the frequency response. The paper experimentally validates the usefulness of the discrete modeling and the Floquet theory on a 5 MHz Buck converter with a V 2Ic control.

Más información

ID de Registro: 29688
Identificador DC: http://oa.upm.es/29688/
Identificador OAI: oai:oa.upm.es:29688
URL Oficial: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6520677&queryText%3DLimits+of+the+frequency+response+for+the+analysis+of+ripple-based+controllers
Depositado por: Memoria Investigacion
Depositado el: 12 May 2015 15:20
Ultima Modificación: 13 May 2015 14:28
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