近年来,汽车发动机半主动悬置系统以优异的性能、可靠性及成本优势,成为汽车NVH技术研究的核心技术,备受关注.但目前研究多集中在半主动悬置单体结构及发动机悬置系统,很少考虑整车特性的影响.本文在半主动悬置结构设计及动特性研究的基础上,建立整车13自由度动力学模型,包括动力总成6自由度模型及车身、非簧载质量的7自由度模型,分析了悬置系统的固有频率与解耦率,采用数值方法,求解了13自由度悬置系统模型的位
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