吉林大学学报(工学版) ›› 2024, Vol. 54 ›› Issue (4): 890-901.doi: 10.13229/j.cnki.jdxbgxb.20221107

• 车辆工程·机械工程 • 上一篇    下一篇

双行星排式混合动力传动系统非线性振动响应特性分析

汪少华1,2(),张启睿1,施德华1,2(),殷春芳3,李春4   

  1. 1.江苏大学 汽车工程研究院，江苏 镇江 212013
    2.江苏省新能源汽车电驱动系统与智能控制工程研究中心，镇江 212013
    3.江苏大学 电气信息工程学院，江苏 镇江 212013
    4.金龙联合汽车工业（苏州）有限公司，江苏 苏州 215026
  • 收稿日期:2022-12-08 出版日期:2024-04-01 发布日期:2024-05-17
  • 通讯作者: 施德华 E-mail:shwang@ujs.edu.cn;dhshi@ujs.edu.cn
  • 作者简介:汪少华（1978-），男，教授，博士.研究方向：车辆动态性能模拟与控制. E-mail： shwang@ujs.edu.cn
  • 基金资助:
    国家自然科学基金项目(51905219);江苏省自然科学基金资助项目(BK20190844);镇江市重点研发计划项目(GY2020020)

Analysis of nonlinear vibration response characteristics of hybrid transmission system with dual-planetary gear sets

Shao-hua WANG1,2(),Qi-rui ZHANG1,De-hua SHI1,2(),Chun-fang YIN3,Chun LI4   

  1. 1.Automotive Engineering Research Institute，Jiangsu University，Zhenjiang 212013，China
    2.Jiangsu Province Engineering Research Center of Electric Drive System and Intelligent Control for Alternative Vehicles，Zhenjiang 212013，China
    3.School of Electrical and Information Engineering，Jiangsu University，Zhenjiang 212013，China
    4.Higer Bus Company Limited，Suzhou 215026，China
  • Received:2022-12-08 Online:2024-04-01 Published:2024-05-17
  • Contact: De-hua SHI E-mail:shwang@ujs.edu.cn;dhshi@ujs.edu.cn

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摘要：

针对一种双行星排混合动力传动系统，建立包含综合时变啮合刚度和啮合误差等内部激励以及不同动力源输出转矩和负载转矩等外部激励的纯轴向扭转非线性动力学模型。在此基础上，针对纯电动和混合动力驱动模式，采用四阶Runge-Kutta法研究系统在不同转矩激励下的非线性高频振动特性，获取不同动力源转矩分配对行星排各构件振动响应行为的影响。研究结果表明，在双电机联合驱动模式下，前行星排振动响应量大于后行星排，后行星排的振动响应波动范围大于前行星排，电机MG2应优先工作在转矩较大且较为恒定的工作区间；混合动力驱动模式下，前行星排受电机MG1影响较大，振动响应量及振动响应波动范围大于后行星排，电机MG1应保持在较为恒定的工作区间，电机MG2优先工作在较大的转矩区间。研究结果将为基于双行星排构型的功率分流式混合动力汽车系统动力学行为分析与转矩决策优化提供理论基础。

关键词: 车辆工程, 双行星排, 动力学模型, 振动响应特性, 转矩分配

Abstract:

Aiming at the hybrid transmission system with dual-planetary gear sets， the purely axial-torsional nonlinear dynamic model considering the internal excitations， including the comprehensive time-varying meshing stiffness and meshing error， and the external excitations， including the load torque and output torque of different power sources， is established. On this basis， the fourth-order Runge-Kutta method is applied to study the nonlinear high-frequency vibration characteristics of the system in the pure electric and hybrid driving modes with different torque excitations. The impacts of the torque allocation of different power sources on each component of the planetary gear sets are obtained. Research results demonstrate that in the pure electric driving mode with dual motors， the vibration response of the front planetary gear set is greater than that of the rear one， and the vibration fluctuation of the rear planetary row is greater than that of the front planetary row. The motor MG2 should preferentially work in the working range with large and constant torque； In the hybrid drive mode， the front planetary row is greatly affected by the motor MG1， and the vibration response amount and vibration response fluctuation range are larger than those of the rear planetary row. The motor MG1 should be kept in a relatively constant working range， and the motor MG2 should preferentially work in a larger torque range. The research results will provide a theoretical basis for the dynamic behavior analysis and torque allocation optimization of the power-split HEV based on the dual-planetary gear sets configuration.

Key words: vehicle engineering, dual-planetary gear sets, dynamic model, vibration response characteristics, torque distribution

中图分类号: 

  • U463.2

图1

传动系统结构简图"

表1

双行星排齿轮系统主要参数"

参数前行星排后行星排
行星架c1内齿圈r1太阳轮s1行星轮p1行星架c2内齿圈r2太阳轮s2行星轮p2
模数/mm1.51.51.51.52.52.52.52.5
压力角/（°）2020202020202020
螺旋角/（°）27.08827.08827.08827.08827.08827.08827.08827.088
齿数-964824-964824
基圆直径/mm105.572135.31667.65833.829162.549197.33598.66849.334

图2

双行星排动力学模型"

图3

前行星排行星轮与太阳轮、内齿圈间综合时变啮合刚度"

图4

后行星排行星轮与太阳轮、内齿圈间综合时变啮合刚度"

表2

混合动力汽车参数"

参数含义数值单位
mv整车整备质量18 000kg
R车轮半径0.51m
ρair空气密度1.23g/m3
CD空气阻力系数0.3-
Af车辆迎风面积4.746m2
i0主减速比5.3-
K1前行星排特征参数2-
K2后行星排特征参数3-
ωmaxE发动机最大转速2 300r/min
PmaxE发动机峰值功率151kW
ωmaxG电机MG1最大转速6 000r/min
PmaxG电机MG1峰值功率100kW
ωmaxM电机MG2最大转速3 500r/min
PmaxM电机MG2峰值功率120kW

图5

前、后行星排杠杆模型"

表3

车辆驱动模式"

工作模式发动机MG1MG2锁止机构
单电机驱动关关开锁止
双电机驱动关开开锁止
混合驱动开开开分离

图6

MG2驱动模式后行星排行星架振动角位移"

图7

MG2驱动模式后行星排行星架振动角位移峰峰值"

图8

双电机联合驱动模式前行星排各构件振动角位移"

图9

双电机联合驱动模式后行星排各构件振动角位移"

图10

双电机联合驱动模式前行星排各构件振动角位移峰峰值"

图11

双电机联合驱动模式后行星排各构件振动角位移峰峰值"

图12

混合驱动模式前行星排各构件振动角位移"

图13

混合驱动模式后行星排各构件振动角位移"

图14

混合驱动模式前行星排各构件振动角位移峰峰值"

图15

混合驱动模式后行星排各构件振动角位移峰峰值"

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