摘要
提出对重型汽车动力总成悬置系统固有频率的要求,应用拉格朗日方程建立动力总成悬置系统振动微分方程,导出简化的弹性解耦方程,分析在四点悬置的基础上增加辅助悬置的必要性,并根据弹性解耦方程计算辅助悬置的刚度。在ADAMS软件中应用能量解耦法对某重型汽车动力总成悬置系统进行仿真分析。结果表明,应用弹性解耦方程计算的悬置刚度可实现系统良好解耦。
This paper puts forward the requirements of natural frequency for the mount system of a heavy-duty vehicle powertrain.Lagrange equation is used to establish the vibration differential equation of the powertrain mount system to deduce the simplified elastic decoupling equation and analyze the necessity of increasing auxiliary mounts on the basis of four-point suspension and then the stiffness of auxiliary suspension is calculated according to the elastic decoupling equation.An energy decoupling method is used to simulate the powertrain mount system of a heavy-duty vehicle in ADAMS software.The results show that the suspension stiffness calculated by the elastic decoupling equation can realize the good decoupling of the system.
作者
孙志刚
徐伟刚
王军
刘保国
SUN Zhigang;XU Weigang;WANG Jun;LIU Baoguo(Technical Development Center.China Heavy Duty Truck Group Co..Ltd..Jinan 250101.China)
出处
《山东交通学院学报》
CAS
2018年第2期18-24,31,共8页
Journal of Shandong Jiaotong University
关键词
重型汽车
动力总成
悬置刚度
弹性解耦
heavy-duty truck
powertrain
mounting stiffness
elastic decoupling
