The invention discloses a damping matching method for an anti-pitching automobile suspension system. The damping matching method comprises the following steps that firstly, a suspension roll critical damping coefficient is calculated according to a suspension roll stress balance equation and whole automobile roll parameter indexes; 2, calculating suspension roll damping torque according to the characteristics of the shock absorbers and the current gears of the left shock absorber and the right shock absorber; 3, a suspension roll damping ratio expression is obtained, and gears of a left shock absorber and a right shock absorber are determined; 3, calculating a linear critical damping coefficient of the suspension according to the parallel wheel jump stress balance equation of the suspension and the linear parameter indexes of the whole vehicle; 4, linear critical damping is calculated according to the suspension parallel wheel jump stress balance equation and the whole vehicle linear parameter indexes; and 5, a linear damping ratio expression of the suspension is obtained, and a pitching damper gear meeting the linear damping ratio target is determined.
本发明公开了一种抗俯仰汽车悬架系统的阻尼匹配方法,包括以下步骤:步骤一、根据悬架侧倾受力平衡方程及整车侧倾参数指标计算悬架侧倾临界阻尼系数;步骤二、根据减振器特性与当前左右减振器挡位计算悬架侧倾阻尼力矩;步骤三、得到悬架侧倾阻尼比表达式,确定左右减振器挡位;步骤三、根据悬架平行轮跳受力平衡方程及整车线性参数指标计算悬架线性临界阻尼系数;步骤四、根据悬架平行轮跳受力平衡方程及整车线性参数指标计算线性临界阻尼;步骤五、得到悬架线性阻尼比表达式并确定满足线性阻尼比目标的俯仰减振器挡位。
Damping matching method of anti-pitching automobile suspension system
一种抗俯仰汽车悬架系统的阻尼匹配方法
2023-05-02
Patent
Elektronische Ressource
Chinesisch
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |