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冲击减振系统的研究已有许多理论成果和应用实例，但大多是基于活动质量作水平运动的力学模型而进行的．文中对活动质量垂直运动的冲击减振系统进行了理论上的分析和数值仿真，并与活动质量水平运动系统的减振效果进行了比较，得到了活动质量垂直运动系统比水平运动系统的最大减振幅值增大４％的结论；分析了系统各参数值对减振的影响规律．研究结果对实际工程具有一定的指导意义．
Impact damping system has many theoretical achievements and application examples, but mostly based on the quality of the movement of the horizontal motion of the mechanical model. In this paper, the theoretical analysis and numerical simulation of the impact damping system with vertical movement of the active mass are carried out, and compared with the vibration damping effect of the active mass horizontal moving system. The maximum of the active vertical movement system is obtained compared with that of the horizontal moving system Amplitude of 4% increase conclusion; analysis of the impact of system parameters on the damping law. The research results have certain guiding significance to the actual project.