考虑电机振动的电动汽车平顺性时域分析模型

doi:10.16182/j.issn1004731x.joss.19-0499

系统仿真学报 ›› 2020, Vol. 32 ›› Issue (4): 571-581.doi: 10.16182/j.issn1004731x.joss.19-0499

考虑电机振动的电动汽车平顺性时域分析模型

田国英¹, 邓鹏毅¹, 孙树磊¹, 彭忆强¹, 陆海英²

1. 西华大学汽车与交通学院,四川成都 610039;
2. 中车长春轨道客车股份有限公司,吉林长春 130062

收稿日期:2019-09-06 修回日期:2019-12-02 出版日期:2020-04-18 发布日期:2020-04-16
作者简介:田国英(1986-),男,陕西渭南,博士,讲师,研究方向为汽车系统动力学及控制。
基金资助:
国家重点研发计划(2018YFB1201603),四川省科技计划(2018GZ0386,2017GZ0264),四川省教育厅项目(18ZA0452,18CZ0017),汽车测控与安全四川省重点实验室研究基金(szjj2016-016)

Time Domain Vertical Dynamics Model of Electric Vehicle Considering Electric Motor Vibration

Tian Guoying¹, Deng Pengyi¹, Sun Shulei¹, Peng Yiqiang¹, Lu Haiying²

1. School of Automobile and Transportation, Xihua University, Chengdu 610039, China;
2. CRRC Changchun Railway Vehicles Co., Ltd., Changchun 130062, China

Received:2019-09-06 Revised:2019-12-02 Online:2020-04-18 Published:2020-04-16

摘要/Abstract

摘要： 在考虑电机总成振动基础上,建立了11自由度电动汽车平顺性时域分析模型,给出其路面模型及数值求解方法。针对某型电动乘用车,给出了脉冲和随机路面输入下典型动力学响应特点,分析了脉冲输入下不同悬置刚度和阻尼、电机总成质量对电机和整车振动的影响。结果表明：所建立模型不仅可分析整车平顺性,还能用于研究电机振动状态及其对整车平顺性的影响;电机总成参数对整车平顺性的影响较小,对电机振动影响明显,增大悬置刚度和阻尼、减轻电机质量有助于降低电机振动。

关键词: 电动汽车, 平顺性, 电机振动, 悬置, 脉冲输入, 随机路面

Abstract: On the basis of considering the electric motor vibration, a time domain vertical dynamics model of the electric vehicle with 11 DOF is built, and the road roughness input model and the numerical method are given. Aiming at an electric passenger vehicle, the basic characteristics of the typical vehicle dynamics responses under the condition of the impulse and random road roughness inputs are calculated, the influence of the different mount stiffness, damping and motor mass on the motor and the vehicle vibration is analyzed under the condition of the impulse input. The results show that the proposed model is able to analyze not only the vehicle ride, but also the motor vibration and its influence on the vehicle ride. Under the impulse input, the variation of the electric motor parameters has little impact on the vehicle ride, but has obviously effect on the motor vibration. The higher mount stiffness and damping, and the lower motor mass, the smaller the motor vibration will be.

Key words: electric vehicle, vehicle ride, electric motor vibration, mount, impulse input, random road roughness

中图分类号:

U461.4

田国英, 邓鹏毅, 孙树磊, 彭忆强, 陆海英. 考虑电机振动的电动汽车平顺性时域分析模型[J]. 系统仿真学报, 2020, 32(4): 571-581.

Tian Guoying, Deng Pengyi, Sun Shulei, Peng Yiqiang, Lu Haiying. Time Domain Vertical Dynamics Model of Electric Vehicle Considering Electric Motor Vibration[J]. Journal of System Simulation, 2020, 32(4): 571-581.

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考虑电机振动的电动汽车平顺性时域分析模型

Time Domain Vertical Dynamics Model of Electric Vehicle Considering Electric Motor Vibration

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