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Determining optimal suspension system parameters for spring fatigue life using design of experiment

机译：用实验设计确定春季疲劳寿命的最佳悬架系统参数

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This paper presents the optimization of spring fatigue life associated with suspension system parameters using the design of experiment approach. The effects of suspension parameters on spring fatigue life were analyzed because this process can improve spring fatigue life from a distinct perspective. A quarter car model simulation was performed to obtain the force time histories for fatigue life prediction where the suspension parameters were adjusted. Multiple input regression and interaction plots were conducted to identify the interaction between these parameters. A full factorial experiment was performed to determine the optimal suspension settings that would maximize the spring fatigue life. For the regression, a high R ~(2)value of 0.9078 was obtained, indicating good fitting. The established regression showed normality and homoscedasticity for consistent prediction outcome. Reducing the spring stiffness and sprung mass while enhancing the damping coefficient is therefore suggested to enhance fatigue life.
机译：本文介绍了使用实验方法设计与悬架系统参数相关的弹簧疲劳寿命的优化。分析了悬浮液参数对弹簧疲劳寿命的影响，因为该过程可以从不同的角度提高弹簧疲劳寿命。进行四分之一的汽车模型模拟以获得调节悬浮参数的疲劳寿命预测的力时间历史。进行多个输入回归和相互作用图以识别这些参数之间的相互作用。进行了完整的因子实验以确定最大化春季疲劳寿命的最佳悬架设置。对于回归，获得高r〜（2）值0.9078，表明良好的配合。既定的回归显示了一致的预测结果的正常性和同性恋性。因此，提高了增强阻尼系数的春天刚度和簧上的质量，以提高疲劳寿命。

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