Control oriented modeling of DCDC converters

Simon Schmidt; Max Richter; Jens Martin Oberrath; Paolo Mercorelli

doi:10.1016/j.ifacol.2018.03.057

Control oriented modeling of DCDC converters

Professur für Regelungs- und Antriebstechnik

Panasonic Industrial Devices Europe GmbH

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › Begutachtung

5 Zitate (Scopus)

Abstract

DCDC converters are widely used in different fields of applications to interface between DC voltage buses. A common structure of such converters is based on a resonant topology in which the working frequency of the converter should be close to the concerning resonance frequency. Therefore, a control scheme with a suitable model to design a controller is needed. Within this manuscript a nonlinear model of a CLLC DCDC converter is derived by means of the extended describing function method and a dq decomposition. Afterwards, this model is linearized to allow for a small signal analysis of the system. Both models are compared to a simulation of the DCDC converter in MATLAB Simscape and show good agreement.

Originalsprache	Englisch
Zeitschrift	IFAC-PapersOnLine
Jahrgang	51
Ausgabenummer	2
Seiten (von - bis)	331-336
Seitenumfang	6
ISSN	2405-8971
DOIs	https://doi.org/10.1016/j.ifacol.2018.03.057
Publikationsstatus	Erschienen - 01.01.2018

Fachgebiete und Schlagwörter

Ingenieurwissenschaften

ASJC Scopus Sachgebiete

Steuerungs- und Systemtechnik

Zugriff auf Dokument

10.1016/j.ifacol.2018.03.057

1 Abgeschlossen

Leistungselektronik für Anwendungen im Automobilbereich
Mercorelli, P. (Wissenschaftliche Projektleiter*in), Oberrath, J. (Wissenschaftliche Projektleiter*in) & Schmidt, S. (Projektmitarbeiter*in)
Panasonic Industrial Devices Europe GmbH
01.11.16 → 31.12.21
Projekt: Forschung

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title = "Control oriented modeling of DCDC converters",

abstract = "DCDC converters are widely used in different fields of applications to interface between DC voltage buses. A common structure of such converters is based on a resonant topology in which the working frequency of the converter should be close to the concerning resonance frequency. Therefore, a control scheme with a suitable model to design a controller is needed. Within this manuscript a nonlinear model of a CLLC DCDC converter is derived by means of the extended describing function method and a dq decomposition. Afterwards, this model is linearized to allow for a small signal analysis of the system. Both models are compared to a simulation of the DCDC converter in MATLAB Simscape and show good agreement.",

keywords = "circuit models, circuit simulation, control nonlinearities, Control oriented models, control system analysis, describing functions, differential equations, dq decomposition, Engineering",

author = "Simon Schmidt and Max Richter and Oberrath, \{Jens Martin\} and Paolo Mercorelli",

year = "2018",

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doi = "10.1016/j.ifacol.2018.03.057",

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N2 - DCDC converters are widely used in different fields of applications to interface between DC voltage buses. A common structure of such converters is based on a resonant topology in which the working frequency of the converter should be close to the concerning resonance frequency. Therefore, a control scheme with a suitable model to design a controller is needed. Within this manuscript a nonlinear model of a CLLC DCDC converter is derived by means of the extended describing function method and a dq decomposition. Afterwards, this model is linearized to allow for a small signal analysis of the system. Both models are compared to a simulation of the DCDC converter in MATLAB Simscape and show good agreement.

AB - DCDC converters are widely used in different fields of applications to interface between DC voltage buses. A common structure of such converters is based on a resonant topology in which the working frequency of the converter should be close to the concerning resonance frequency. Therefore, a control scheme with a suitable model to design a controller is needed. Within this manuscript a nonlinear model of a CLLC DCDC converter is derived by means of the extended describing function method and a dq decomposition. Afterwards, this model is linearized to allow for a small signal analysis of the system. Both models are compared to a simulation of the DCDC converter in MATLAB Simscape and show good agreement.

KW - circuit models

KW - circuit simulation

KW - control nonlinearities

KW - Control oriented models

KW - control system analysis

KW - describing functions

KW - differential equations

KW - dq decomposition

KW - Engineering

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Control oriented modeling of DCDC converters

Abstract

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