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Gearshift Control Based on Fuzzy Logic of a Novel Two-Speed Transmission for Electric Vehicles
Technical Paper
2020-01-5004
ISSN: 0148-7191, e-ISSN: 2688-3627
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Automotive Technical Papers
Language:
English
Abstract
Using highly efficient powertrain is one of the most important and effective approaches to increase the driving distance of electric vehicles (EVs). In this paper, a novel two-speed dual-clutch transmission (DCT) is proposed. The transmission is comprised of two traditional friction clutches and two-stage planetary gear sets. One clutch connects the input sun gear and the other connects the input carrier. The Simulink models including an electric motor and two-speed DCT are established. Gearshift schedule based on fuzzy logic which reflects the driver’s intensions is adopted to improve the dynamic and economic performance of the novel transmission. The simulation model is built using MATLAB/Simulink® to validate the effectiveness of the proposed gearshift schedule compared with the conventional two-parameter gearshift schedule. Simulation results show that both the dynamic and economic performance of the novel DCT for EVs are improved with the proposed fuzzy logic gearshift schedule.
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Citation
Zhang, H., Du, H., Li, W., and Wang, Y., "Gearshift Control Based on Fuzzy Logic of a Novel Two-Speed Transmission for Electric Vehicles," SAE Technical Paper 2020-01-5004, 2020, https://doi.org/10.4271/2020-01-5004.Data Sets - Support Documents
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