考虑物料质量随机波动的反共振振动机动力学分析  

DYNAMIC ANALYSIS OF ANTI-RESONANT VIBRATING MACHINES WITH RANDOM OSCILLATION OF MATERIAL MASS

作　　者：刘杰[1] 刘劲涛[1] 张金萍[2] 李允公[1] 

机构地区：[1]东北大学机械工程与自动化学院,沈阳110004 [2]沈阳化工学院机械工程学院,沈阳110142

出　　处：《振动与冲击》2006年第6期76-78,83,共4页Journal of Vibration and Shock

摘　　要：考虑了物料质量均值的不固定性和物料质量的随机波动性,研究了反共振振动机工作体和下质体在随机参数条件下的动力响应特性,分析了系统参数与反共振振动机随机响应成分之间的关系。研究得出了下质体不同参数组合与系统的随机响应成分之间的关系,揭示了物料质量均值的波动对工作体和下质体振幅的稳定性影响较大,需对激振频率进行控制。The dynamic response characteristic of an anti-resonant vibrating machine is studied considering variation of material mean mass and random oscillation of material mass.The relation between the system parameters and the random response of the anti-resonant vibrating machine is analyzed.The relationship between the random response and the parameter sets of the lower mass body is obtained,and it is found that the small mean mass of the upper mass body can improve the system stability.The influence of the variation of material mean mass on the amplitude stability of the working body and the lower mass body can not be neglected,and it is necessary to control the excitation frequency.

关 键 词：反共振 振动机械 随机摄动分析 振幅稳定 

分 类 号：TD156[矿业工程—矿山地质测量]