Control oriented modeling of DCDC converters
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Control oriented modeling of DCDC converters. / Schmidt, Simon; Richter, Max; Oberrath, Jens Martin et al.
in: IFAC-PapersOnLine, Jahrgang 51, Nr. 2, 01.01.2018, S. 331-336.Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet
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TY - JOUR
T1 - Control oriented modeling of DCDC converters
AU - Schmidt, Simon
AU - Richter, Max
AU - Oberrath, Jens Martin
AU - Mercorelli, Paolo
PY - 2018/1/1
Y1 - 2018/1/1
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
UR - http://www.scopus.com/inward/record.url?scp=85046665698&partnerID=8YFLogxK
U2 - 10.1016/j.ifacol.2018.03.057
DO - 10.1016/j.ifacol.2018.03.057
M3 - Journal articles
AN - SCOPUS:85046665698
VL - 51
SP - 331
EP - 336
JO - IFAC-PapersOnLine
JF - IFAC-PapersOnLine
SN - 2405-8963
IS - 2
ER -