Influence of a New Type of Two-Speed Planetary Gear Automatic Transmission on the Performance of Battery Electric Vehicles

Influence of a New Type of Two-Speed Planetary Gear Automatic Transmission on the Performance of Battery Electric Vehicles

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This paper introduces a new two-speed planetary gear automatic transmission using an electronically controlled wedge clutch.In order to verify the feasibility of using this transmission in pure electric vehicles, the influencing factors of the two-speed transmission due Sailing Salopettes to the increase in mass and the reduction in transmission efficiency are introduced.The vehicle simulation model was established on the MATLAB/Simulink platform, and the dynamic programming method was used to optimize the transmission ratio and Double Ended Dildos shifting law.

The simulation results show that the use of a two-speed automatic transmission can effectively improve the economic performance and dynamic performance of battery electric vehicles.