Journal
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume 13, Issue 5, Pages 4991-5004Publisher
ESG
DOI: 10.20964/2018.05.84
Keywords
Lithium-ion battery; RUL; ELM; PSO; Mutation factor
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Funding
- National Natural Science Foundation of China [71601022]
- Natural Science Foundation of Beijing [4173074]
- Key Project B Class of Beijing Natural Science Fund [KZ201710028028]
- Youth Innovative Research Team of Capital Normal University
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In order to predict the remaining useful life (RUL) of lithium-ion battery more accurately, a new prediction method based on extreme learning machine (ELM) is proposed in this paper. First, according to the mutation idea of genetic algorithm (GA), we add mutation factors to improve particle swarm optimization (PSO) algorithm. Then, the particles generated by the improved PSO algorithm are used as the input weights and bias of the ELM algorithm. The optimized ELM prediction model is applied to estimate the RUL of the lithium-ion battery. Three sets of data are used to verify the accuracy of the proposed algorithm in this paper.
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