| 四轮独立驱动电动汽车电动轮影响研究 |
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| 引用本文： | 梁海林,任洪卓,陈双,张宇涵.四轮独立驱动电动汽车电动轮影响研究[J].汽车实用技术,2022,47(4):7-10. |
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| 作者姓名： | 梁海林 任洪卓 陈双 张宇涵 |
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| 作者单位： | 锦州立德减振器有限公司,辽宁 锦州 121000 |
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| 基金项目： | 辽宁省教育厅项目(JJL202015402)。 |
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| 摘 要： | 为了分析轮毂电机驱动电动汽车簧下质量变大导致的垂向振动负效应问题,根据自主研发可以四轮独立驱动的轮毂电机电动汽车,建立集中电机和轮毂电机驱动汽车的1/4动力学模型,在相同路面输入下,对汽车平顺性评价指标进行对比分析,说明轮毂电机驱动下电动轮结构对车辆垂向性能的影响。研究结果证明,轮毂电机驱动汽车的车身垂向加速度和轮胎动载荷都有所增加,这种变化将对车辆的行驶平顺性造成一定程度的恶化。
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| 关 键 词： | 轮毂电机驱动 路面激励 平顺性 |
Research on the Influence of Electric Wheels in Four-wheel Independent Drive Electric Vehicles |
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| Authors: | LIANG Hailin REN Hongzhuo CHEN Shuang ZHANG Yuhan |
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| Affiliation: | (Jinzhou Leader Shock Absorber Co.,Ltd.,Liaoning Jinzhou 121000) |
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| Abstract: | In order to analyze the negative effects of vertical vibration caused by the increase in the mass of unsuspended springs of electric vehicles driven by hub motors,according to the self-developed four-wheel independently-driven hub motor electric vehicle,the 1/4 dynamics of the centralized motor and the in-wheel motor-driven vehicle are established,under the same road input,compare and analyze the car ride comfort evaluation index,and illustrates the influence of the electric wheel structure on the vertical performance of the vehicle driven by the in-wheel motor.The results show that the body vertical acceleration and tire dynamic load of the in-wheel electric vehicle have increased,and this change will cause a certain degree of deterioration in the driving comfort of the vehicle. |
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| Keywords: | In-wheel motor drive Road surface excitation Ride comfort |
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