悬架刚度是衡量悬架抵抗变形的能力的一种量度，等于悬架承受的载荷与该载荷引起的悬架的变形的比值。悬架刚度分为悬架线刚度和悬架角刚度。
悬架刚度和阻尼参数的非线性特性研究。
The study about the non-linear characteristic of the suspension system parameter.
根据虚位移原理计算得到了扭杆弹簧双横臂悬架的非线性悬架刚度与车轮跳动的函数关系。
The function of the nonlinear suspension stiffness with tire skipping distance was obtained by virtual displacement theory.
以此为理论基础，开发出了简明实用的双横臂扭杆悬架系统刚度和阻尼参数非线性分析与设计软件。
Based on the above study, a useful software for analyzing and designing the rigidity and damping parameters of the suspension system is developed.
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