电动车动力总成阶次振动的主被动控制研究  

Study on Active and Passive Control of Order Vibration for Electric Vehicle Power Train

作　　者：张元元 于蓬 王健[3] Zhang Yuanyuan;Yu Peng;Wang Jian(School of Automotive Engineering,Zibo Vocational Institute,Zibo 255314,China;Shandong Mingyu New Energy Technology Co.,Ltd.,Ji′nan 370164,China;School of Automotive Engineering,Shandong Jiaotong University,Ji′nan 250023,China)

机构地区：[1]淄博职业学院汽车工程系,山东淄博255314 [2]山东明宇新能源技术有限公司,山东济南370164 [3]山东交通学院汽车工程学院,山东济南250023

出　　处：《机械传动》2020年第5期42-48,共7页Journal of Mechanical Transmission

基　　金：山东省重点研发计划(2017GGX50109);山东省交通运输厅科技计划(2018B66);淄博市重点研发计划(2019ZC010098)。

摘　　要：提出了一套降低电动车动力总成阶次振动的完整方法。首先,基于谐波优化理论优化电机控制策略,通过降低电机直交轴电流中的主要谐波,减小电机的输出转矩波动;然后,建立一套考虑精英保留的遗传算法,与齿轮啮合有限元模型进行联合优化,减小传递误差波动,并获得考虑主动控制效果的齿轮最佳修形参数;最后,建立电动车动力总成机械仿真模型,对轮齿修形后的动力总成进行控制效果验证。结果表明,综合考虑电机谐波电流控制和微观轮齿修形的方法,可以有效降低电动车动力总成的阶次振动。A whole order vibration reduction method for electric powertrain is proposed.Firstly,motor control strategy is optimized and the output torque ripple is reduced by inhibiting main harmonic currents of mo tor d-q axial,based on harmonic optimization theory.Secondly,in consideration of active control effect,the best gear modification parameters are obtained,transmission error volatility is reduced by joint optimization with elit ist retention genetic algorithm and gear engagement finite element model.Finally,order vibration control effect after tooth modification is verified by establishing electric vehicle power train mechanical simulation model.The results show that,comprehensive consideration of the motor harmonic current control and the microscopic modi fication of gear tooth,can effectively reduce the order vibration of electric vehicle power train.

关 键 词：电动车 阶次振动 谐波优化 轮齿修形 

分 类 号：U469.72[机械工程—车辆工程]