Research of the Relationship between Li-ion Battery Charge Performance and SOH based on MIGA-Gpr Method

Owing to the problem that it is difficult to measure State of Health (SOH) of Li-ion battery online, a method to estimate SOH of Li-ion battery using the charge performance under different SOH is put forward. By Grey Incidence Analysis (GIA), the correlation degree between the charge performance and...

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Bibliographic Details
Published in:Energy procedia 2016-06, Vol.88, p.608-613
Main Authors: Peikun, Sun, Zhenpo, Wang
Format: Article
Language:English
Subjects:
Charge performance
Gauss Process Regression
Grey incidence analysis
Multi-island Genetic Algorithm
SOH
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Summary:Owing to the problem that it is difficult to measure State of Health (SOH) of Li-ion battery online, a method to estimate SOH of Li-ion battery using the charge performance under different SOH is put forward. By Grey Incidence Analysis (GIA), the correlation degree between the charge performance and SOH is measured. Based on Multi-island Genetic Algorithm (MIGA) and Gauss Process Regression (GPR), with charge performance as input, SOH is estimates and variance of estimation is also calculated. The result shows that the above-mentioned method can evaluate SOH well.
ISSN:1876-6102
1876-6102
DOI:10.1016/j.egypro.2016.06.086