Development of a Model-Based Approach to Capture Battery Parameter Degradation in Satellites

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Abstrakt

There is an increasing number of CubeSats being launched on the Earth's orbit. They are typically based on commercial off-the-shelf batteries that are not primarily designed for space applications. Thus, their actual degradation in this environment needs to be considered, compared to on-ground laboratory conditions. In this work, a model-based method is introduced for tracking the change in battery model parameters, including the battery capacity. The method is based on collected telemetry data and it covers specific and variable battery temperature conditions in CubeSats. However, it is shown that the method is sensitive to telemetry quality, regarding sample resolution and sample loss. Thus, the used settings could not determine battery degradation trends with high confidence. Nevertheless, steps for improvement were identified that shall increase the accuracy of the results in future work.
OriginalsprogEngelsk
TidsskriftECS Transactions
Vol/bind99
Udgave nummer1
Sider (fra-til)341-350
Antal sider10
ISSN1938-6737
StatusUdgivet - 2020
Begivenhed21st International Conference on Advanced Batteries, Accumulators and Fuel Cells - Brno, Tjekkiet
Varighed: 6 sep. 20209 sep. 2020
Konferencens nummer: 21st

Konference

Konference21st International Conference on Advanced Batteries, Accumulators and Fuel Cells
Nummer21st
LandTjekkiet
ByBrno
Periode06/09/202009/09/2020

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