Infinite-Dimensional Boundary Observer for Lithium-Ion Battery State Estimation

Agus Hasan*, Jerome Jouffroy

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Abstrakt

This paper presents boundary observer design for state-of-charge (SOC) estimation of lithium-ion batteries. The lithium-ion battery dynamics are governed by thermal-electrochemical principles, which mathematically modeled by partial differential equations (PDEs). In general, the model is a reaction-diffusion equation with time-dependent coefficients. A Luenberger observer is developed using infinite-dimensional backstepping method and uses only a single measurement at the boundary of the battery. The observer gains are computed by solving the observer kernel equation. A numerical example is performed to show the applicability of the design.

OriginalsprogEngelsk
TidsskriftEnergy Procedia
Vol/bind141
Sider (fra-til)494-501
ISSN1876-6102
DOI
StatusUdgivet - 2017
Begivenhed4th International Conference on Power and Energy Systems Engineering - Berlin, Tyskland
Varighed: 25. sep. 201729. sep. 2017

Konference

Konference4th International Conference on Power and Energy Systems Engineering
LandTyskland
ByBerlin
Periode25/09/201729/09/2017

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