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五连杆非独立后悬架弹性转向特性

潘筱,  林逸,  陈潇凯,  王冬成

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文章导航 > 西南交通大学学报  > 2012 >  25(3): 477-483.
潘筱, 林逸, 陈潇凯, 王冬成. 五连杆非独立后悬架弹性转向特性[J]. 西南交通大学学报, 2012, 25(3): 477-483. doi: 10.3969/j.issn.0258-2724.2012.03.020
引用本文: 潘筱, 林逸, 陈潇凯, 王冬成. 五连杆非独立后悬架弹性转向特性[J]. 西南交通大学学报, 2012, 25(3): 477-483. doi: 10.3969/j.issn.0258-2724.2012.03.020
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PAN Xiao, LIN Yi, CHEN Xiaokai, WANG Dongcheng. Rear Axle Compliance Steering Performance Analysis of Five-Link Dependent Rear Suspension[J]. Journal of Southwest Jiaotong University, 2012, 25(3): 477-483. doi: 10.3969/j.issn.0258-2724.2012.03.020
Citation: PAN Xiao, LIN Yi, CHEN Xiaokai, WANG Dongcheng. Rear Axle Compliance Steering Performance Analysis of Five-Link Dependent Rear Suspension[J]. Journal of Southwest Jiaotong University, 2012, 25(3): 477-483. doi: 10.3969/j.issn.0258-2724.2012.03.020
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五连杆非独立后悬架弹性转向特性

doi: 10.3969/j.issn.0258-2724.2012.03.020
基金项目: 

国家自然科学基金资助项目(50905017)

北京市科学技术委员会研究开发攻关项目(D08010400250804)

详细信息
    作者简介:

    潘筱(1970-),女,高级工程师,博士研究生,研究方向为汽车动力学,电话: 13783712609, E-mail: zzpanxiao@163.com

Rear Axle Compliance Steering Performance Analysis of Five-Link Dependent Rear Suspension

    摘要
  • 摘要: 为研究五连杆非独立后悬架车辆的操纵稳定性,建立了含后轴弹性转向的线性三自由度操纵稳定性整车模型,运用频域法研究了后轴弹性转向对整车不足转向性能的影响.结果表明:左、右上拉杆的交点相对后轴中心的纵向位置及上拉杆衬套的刚度影响整车的不足转向特性.当上拉杆交点位于后轴之后1.65 m及上拉杆衬套的扭转刚度为1.5 kNm/rad时,整车的不足转向特性较理想.试验与理论模型仿真结果趋势一致.

     

    Abstract: In order to study the handing stability of vehicles with five-link dependent rear suspension, a linear three-degrees-of-freedom handling model of the vehicle including rear axle compliance steering was established. The influences of the rear axle compliance steering on the vehicle under-steering characteristics were analyzed by the frequency domain method. The results show that the longitudinal location of the upper links intersection point and the bush stiffness of the upper links influence the vehicle under-steering characteristics. When the intersection point is located 1.65 m from the rear axle and the bush bending stiffness is 1.5 kNm/rad, the vehicle under-steering performance is optimal. The simulation results of the theoretical model agree well with the experimental ones.

     

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出版历程
  • 收稿日期:  2010-10-19
  • 刊出日期:  2012-06-25

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