Study on Power Train of Two Axles Four Wheel Drive Electric Vehicle

in International Symposium (oral presentation paper), 國際研討會(全文口頭發表)
標題Study on Power Train of Two Axles Four Wheel Drive Electric Vehicle
出版類型國際研討會(全文口頭發表)
出版年度2011
AuthorsChih-Hsien Yu, 余致賢, Chyuan-Yow 曾全佑, & Chih-Ming Chang 張智銘
出版日期Dec 26 2011 12:0
會議地點Bangkok
其他編號0000
中文摘要

This paper is focused on design of a power train for two-axle four-wheel-drive (4WD) electric vehicle (EV). The purpose is to improve the energy efficiency, driving stability for an Utility Vehicle (UV) that is original equipped with a 500cc internal combustion engine. The designed power train is consisted of two 5kw brushless DC motors(BLDC) with the associated motor drivers, automatic manual transmission (AMT), AMT controllers, and 288V16AH Lithium-ion battery pack. The works include power train specification design, mechanism and controller design for
the clutchless AMT, optimal transmissions gear-shifting strategy design, and finally, power split strategy design for the 4WD in terms of wheel slip ratio control. To guarantee AMT gear-shifting quality, the gear-shifting maps was
applied in gear change process. The power split strategy design for the 4WD EV was based on sliding mode algorithm, it was shown through numerical simulation that slip ratio on each wheel can be controlled within an optimal value in ECE40 drive pattern.

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