基于Matlab的发动机悬置系统设计及优化

The Design and Optimization of a Engine Mounting System

以某发动机悬置为研究对象,建立了一个悬置系统的三维动力学模型。以动力总成的参数为设计变量,以固有频率的合理配置和悬置系统能量解耦达标为设计目的,对悬置系统进行了详细分析,建立其六自由度自由振动运动方程,并找出了悬置三向刚度的合理匹配。同时,也为Matlab在振动方程求解中的应用提供了一个范例,为发动机悬置的设计建立了一个有效可行的计算方法。

A three-dimension dynamic model of a engine mounting system is set up in this paper. For the purpose of both rational disposition of the intrinsic frequency and decoupling of the system energy,it takes a labor on the system, and finds out the reasonable stiffness matching of the mounts. What＇s more,it provides an example of the applying of Matlab in the calculation of libration equations.