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Study on the Optimization of Shifting Strategy for Hybrid Electric Vehicle
ISSN: 2640-642X, e-ISSN: 2640-6438
Published November 15, 2021 by SAE International in United States
Citation: Zhong, Z., Liu, X., Yang, L., Zhang, C. et al., "Study on the Optimization of Shifting Strategy for Hybrid Electric Vehicle," SAE J. STEEP 3(1):2022, https://doi.org/10.4271/13-03-01-0007.
An optimization method of a shifting strategy for a hybrid electric vehicle (HEV) is proposed in this article. Firstly, the basic idea of the shifting strategy is introduced. Then the differences of powertrain between a parallel HEV and fuel vehicle are analyzed, and a design method of the shifting strategy for parallel HEV is proposed. Finally, the whole vehicle simulation model is established by using Matlab/Simulink software, and the results are compared with the shifting strategy of fuel vehicles. The simulation results show that the fuel economy of the parallel HEV is significantly improved.