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中文摘要：
本文中对动力总成主动悬置系统进行动态特性分析和解耦研究。首先,建立了动力总成主动悬置的近似线性模型和分析模型,并得到验证。然后,以怠速频率下扭矩轴方向的响应完全解耦和固有频率的合理配置为目标,运用基于Pareto排序的遗传算法,对主动悬置被动部分的参数和各悬置的刚度与位置进行解耦优化;最后对优化结果进行仿真验证,表明解耦方法的有效性。
英文摘要：
The characteristics analysis and decoupling study on the active mount system of powertrain are conducted in this paper.Firstly,the approximate linear model and analytic model for the active mount system of powertrain are set up and verified.Then with the complete response decoupling in torque roll axis direction at idle speed and the rational allocation of natural frequencies as objectives,and using Pareto genetic algorithm,a decoupling optimization on the parameters of the passive part of active mount and the position and stiffness of each mount is performed.Finally the results of optimization are verified by simulation,indicating the effectiveness of decoupling scheme adopted.
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