Transmission Ratio Optimization of Electric Vehicle Powertrain

Yu Ming Wang; Chang Qing Du; Xia Nan Li; Fu Wu Yan

doi:10.4028/www.scientific.net/AMM.397-400.987

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 397-400Transmission Ratio Optimization of Electric...

Transmission Ratio Optimization of Electric Vehicle Powertrain

Abstract:

Improving the driving range and driving performance are critical for pure electric vehicles (EV). Transmission ratios directly affects drivability and economy of EV. This paper analyzed the impact of various transmission ratios on the performance of EV, verified the vehicle performance with different transmission ratios by simulation with models built with GT-drive software, and based on EV performance requests, optimized the EV transmission ratios, presents single reduction gear and multi-speed transmission ratio scheme respectively, compared the EV performance with these two transmission schemes respectively, simulation results show that multi-speed transmission system can improve the performance of electric vehicle on dynamic and economy.

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Periodical:

Applied Mechanics and Materials (Volumes 397-400)

Pages:

987-992

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.397-400.987

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Online since:

September 2013

Authors:

Yu Ming Wang, Chang Qing Du, Xia Nan Li, Fu Wu Yan

Keywords:

Driving Range, Electric Vehicle (EV), Parameter Optimization, Transmission Ratio

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References

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