SU Su,LI Yujing,XIA Mingchao,et al.Operation State Prediction of Charging Station Based on Spatio-Temporal Coupling Characteristics[J].Automation of Electric Power Systems,2022,46(3):23-32.
SU Su,LI Yujing,XIA Mingchao,et al.Operation State Prediction of Charging Station Based on Spatio-Temporal Coupling Characteristics[J].Automation of Electric Power Systems,2022,46(3):23-32. DOI: 10.7500/AEPS20210629005.
Operation State Prediction of Charging Station Based on Spatio-Temporal Coupling Characteristics
A prediction method for the operation status of charging stations based on spatio-temporal characteristics and the deep learning model is proposed. Firstly
based on the historical operation data of charging stations and the traffic speed data set in the area
the
k
-means clustering method is used to classify the charging stations into different types and the temporal characteristics of the operation status of charging stations are analyzed. The “offset-traffic-time” three-dimensional matrix model of individual charging stations is established to deeply explore the coupling correlation between the operation status of charging stations and the surrounding traffic conditions in time and space. Secondly
the spatial reconstruction of the time-lagged correlation between charging station status and traffic conditions is carried out
the feature extraction is carried out by convolutional neural network
and the time series prediction is carried out by long short-term memory network
so as to build a multi-step prediction model of charging station operation status based on Keras deep learning framework. Finally
the proposed method is validated with the data of 20 charging stations and compared with various prediction algorithms
and the results show that the proposed method has high prediction accuracy.
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references
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