Aiming at the problem that the conventional tram power consumption estimation model lacks quantitative analytical research on the significance of power consumption influencing elements, a tram power consumption estimation method on the strength of grey relational analytical research and multiple linear Multinomial logistic regression is proposed. Firstly, the influence elements of tram power consumption are made analytical research by tram dynamic model, and then the Grey relation analytical research method severs as calculating the relevant degree of these influence elements. Finally, the influence elements with higher correlation degree are chosen as the input variables of the model, and the tram power consumption estimation model is built based on the multiple linear Multinomial logistic regression. The experimental results indicate that the mean estimation error of the new model is 2.29%, which is smaller than the Multinomial logistic regression proposed in the reference. Therefore, the power consumption estimation model presented in this article can better reflect the trend of tram power consumption.
Prediction of Tram Energy Consumption Based on Modified Regression Model
01.11.2019
132689 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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