Design, Analysis, and Mode Shifting of a Novel Dual-Motor Powertrain for Electric Vehicles

IF 8.3 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Transportation Electrification Pub Date : 2023-08-07 DOI:10.1109/TTE.2023.3299577

Yang Tian;Guanyu Yi;Xiaoyu Ji;Guilin Wen;Yahui Zhang;Jie Liu;Nong Zhang

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Abstract

Dual-motor powertrain (DMP) has been proven to help electric vehicles (EVs) achieve better dynamic performance and energy economy. This study proposes a novel DMP, which can realize four alternative working modes to meet complicated and volatile driving cycles. To capture the transient characteristics of this powertrain, its detailed dynamic model is established. To achieve uninterrupted-torque mode shift, simplified model-based shifting strategies are developed. Specifically, the proposed mode-shifting strategies are derived by coordinating the relationship between torques and speeds applied by two motors and the band brake. To verify the validity and effect of the proposed mode-shifting strategies, Hardware-in-the-Loop (HIL) experiments are undertaken. According to the experiment results, it can be clearly seen that the proposed strategies can realize seamless mode shifting. This study provides a systematic solution for mode shifting transient control of this proposed DMP and its HIL experiment.

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用于电动汽车的新型双电机动力系统的设计、分析和模式转换

双电机动力总成（DMP）已被证明能帮助电动汽车（EV）实现更好的动态性能和能源经济性。本研究提出了一种新颖的双电机动力总成（DMP），它可以实现四种不同的工作模式，以满足复杂多变的驾驶周期。为捕捉该动力系统的瞬态特性，建立了其详细的动态模型。为实现不间断扭矩模式转换，开发了基于模型的简化转换策略。具体来说，所提出的模式转换策略是通过协调两个电机和带式制动器所施加的扭矩和速度之间的关系而得出的。为了验证所提出的模式转换策略的有效性和效果，进行了硬件在环（HIL）实验。实验结果表明，所提出的策略可以实现无缝模式转换。本研究提供了该拟议 DMP 的模式转换瞬态控制的系统解决方案及其 HIL 实验。

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来源期刊

IEEE Transactions on Transportation Electrification Engineering-Electrical and Electronic Engineering

CiteScore

12.20

自引率

15.70%

发文量

449

期刊介绍： IEEE Transactions on Transportation Electrification is focused on components, sub-systems, systems, standards, and grid interface technologies related to power and energy conversion, propulsion, and actuation for all types of electrified vehicles including on-road, off-road, off-highway, and rail vehicles, airplanes, and ships.