The Remaining Useful Life Estimation of Lithium-ion Battery Based on Improved Extreme Learning Machine Algorithm

摘要

In order to predict the remaining useful life (RUL) of lithium-ion battery more accurately, a newprediction 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 particleswarm optimization (PSO) algorithm. Then, the particles generated by the improved PSO algorithmare used as the input weights and bias of the ELM algorithm. The optimized ELM prediction model isapplied to estimate the RUL of the lithium-ion battery. Three sets of data are used to verify theaccuracy of the proposed algorithm in this paper.