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Modellbasierte Identifikation fraktionaler Systeme und ihre Anwendung auf die Lithium-Ionen-Zelle

In this work, model-based methods for the online identification of physically motivated aging parameters of battery cells are presented and applied to lithium-ion-cells. The new methods are based on fractional impedance models and, in contrast to the state of the art, are late-lumping approaches. A...

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Hovedforfatter: Eckert, Marius
Format: Online
Sprog:tysk
Udgivet: KIT Scientific Publishing 2021
Fag:
T1-995
battery model
modulation function
Systemtheorie
model-based identification
Modulationsfunktion
Modellbasierte Identifikation
fractional systems
Batteriemodell
fraktionale Systeme
system theory
thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
Online adgang:35398
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Summary:In this work, model-based methods for the online identification of physically motivated aging parameters of battery cells are presented and applied to lithium-ion-cells. The new methods are based on fractional impedance models and, in contrast to the state of the art, are late-lumping approaches. A further contribution of this work is the extension of the theory of time-variant fractional systems by a controllability analysis and an energy-optimized control.

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