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对半挂车建立八个自由度的数学模型,以司机座椅与路面输入激振之比作为目标函数,利用随机方向搜索法优化选取设计变量,以达到悬架的优化设计。
The mathematical model of eight degrees of freedom is set up for the semi-trailer. The objective function is the ratio of driver’s seat to road surface excitation, and the random direction search method is used to optimize the design variables to achieve the optimal suspension design.