Efficiency comparison of electric vehicles powertrains with dual motor and single motor input

被引：96
|
作者：
Wu, Jinglai [1 ,2 ]
Liang, Jiejunyi [2 ]
Ruan, Jiageng [2 ]
Zhang, Nong [1 ,2 ]
Walker, Paul D. [2 ]
机构：
[1] Hefei Univ Technol, Clean Energy Automot Res Inst, Hefei, Anhui, Peoples R China
[2] Univ Technol Sydney, Sch Elect Mech & Mechatron Syst, Sydney, NSW, Australia
来源：
MECHANISM AND MACHINE THEORY | 2018年 / 128卷
基金：
澳大利亚研究理事会; 中国国家自然科学基金;
关键词：
Electric vehicles; Dual motor powertrains; 2-speed transmission; Planetary gear; Parallel axle; AUTOMATIC-MANUAL TRANSMISSION; 2-SPEED TRANSMISSION; ENERGY-CONSUMPTION; SHIFTING CONTROL; DESIGN; MANAGEMENT; SIMULATION;
D O I：
10.1016/j.mechmachtheory.2018.07.003
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Two novel dual motor input powertrains are proposed to improve the energy efficiency of electric vehicles (EVs). The first powertrain is based on a dual motor with planetary gear transmission (DMPGT), which connects two motors to the sun gear and ring gear respectively, and the carrier is engaged with output shaft. Two band brakes equipped on the sun gear and ring gear can realize three driving modes. The second powertrain is based on a dual motor with parallel axle transmission (DMPAT). It also provides three driving modes through switching on and off the two motors. To evaluate the two proposed powertrains, they will be compared with the widely adopted single motor with 1-speed and with 2-speed powertrains. The gear ratios of the powertrains are selected aiming at the vehicle dynamic performance, while the gear or mode shifting is designed to maximize the efficiency of EVs through an instantaneous optimization algorithm. The simulation results of the two proposed powertrains in three typical driving cycles demonstrate that the EVs equipped with both DMPGT and DMPAT have a higher overall efficiency than the EVs equipped with single motor input powertrain. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：569 / 585
页数：17
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