ZHANG Huanghui, FANG Jie, ZHANG Jieliang, et al. Research on charging efficiency of electric vehicle DC charging pile based on Kmeans-ADE-LSTM model[J]. 2026, 63(4).
ZHANG Huanghui, FANG Jie, ZHANG Jieliang, et al. Research on charging efficiency of electric vehicle DC charging pile based on Kmeans-ADE-LSTM model[J]. 2026, 63(4).DOI:
as well as the transformation between electrical and chemical energy
inevitably leads to electrical energy loss. To accurately calculate the magnitude of this loss with limited measurement equipment
this paper proposes a charging pile efficiency calculation theory based on Kmeans-ADE-LSTM. This method adopts a memory neural network to train the model with historical charging data
deriving a model relationship between the DC side electrical data
temperature data and charging efficiency
and then validates it with new charging data. Innovatively
the collected charging data is subjected to Kmeans clustering analysis before efficiency calculation
and the processed data is then used for subsequent neural network training. Additionally
to address the difficult problem of selecting the mutation coefficient in traditional differential evolution algorithms
this paper employs an efficient global optimization algorithm-the differential evolution algorithm-to adaptively process the mutation coefficient and optimally select the hyper parameters of the LSTM. Based on the correlation between charging efficiency and time
etc.
the charging conversion efficiency is calculated in conjunction with the LSTM neural network. The comparative experimental results demonstrate that the proposed Kmeans-ADE-LSTM charging pile charging efficiency prediction method has a high level of predictive accuracy.