双电机后轮驱动混合动力汽车电子差速控制的研究及概要.pdf

学兔兔 汽 车 工 程 2013年(第35卷)第1期 Automotive Engineering 2013010 双电机后轮驱动混合动力汽车电子差速控制的研究 陈 东，徐 寅，梁华军 (华南理工大学机械与汽车工程学院，广州 510640) [摘要] 针对双电机后轮驱动混合动力汽车电子差速的控制问题，考虑车辆转向时轴荷转移、向心力和轮胎 侧偏角的影响，以车轮的滑移率为控制目标，提出了基于门限值控制的电子差速控制策略，并在Matlab／Simulink环 境下进行了仿真。结果表明，该电子差速控制系统可在车辆直线行驶和转弯时将滑移率控制在最佳范围内，使车辆 能按照预定方向稳定行驶。 关键词：混合动力汽车；电子差速；车轮滑转率；f-j限值控制 A Study on the Electronic Differential Control for a Hybrid Electric Vehicle with Dual In．．whee1．．motor Rear Drive Chen Dong．Xu YinLiang Huajan School of MechanicalAutomotive Engineering．South China University of Technology．Guangzhou 5 10640 [Abstract] In view of the control problem of electronic differential(ED)system in a hybrid electric vehicle with dual in—wheel—motor rear drive and considering the effects of axle load transfer，centripetal force and tire slip angle，a ED control strategy based on threshold control is proposed with the slip ratio of tire as control objective， and a simulation is conducted．The results show that the ED control system proposed can keep tire slip ratio within the optimum range，ensuring the stable driving of vehicle along preset direction either on straight road or curved one． Keywords：hybrid electric vehicle；electronic differential；wheel slip ratio；threshold control 时电子差速控制系统的问题进行深入探讨。 刚 舀 i 两轴实时混联驱动系统结构 电动汽车的动力传动系统的结构布置主要有两 种方式：集中式驱动，在传统内燃机汽车安装发动机 两轴实时混联驱动系统 是一种前机械桥单独