O型钢丝绳隔振器动态迟滞模型参数识别方法研究  

Parametric identification method for identifying dynamic hysteretic model parameters of O-type wire-cable vibration isolator

作　　者：王红霞[1,2,3] 龚宪生[1,3] 潘飞[1,3] 谯艳娟 

机构地区：[1]重庆大学机械传动国家重点实验室,重庆400044 [2]湖北汽车工业学院,湖北十堰442002 [3]重庆大学机械工程学院,重庆400044 [4]长安股份有限公司汽车工程研究院,重庆401120

出　　处：《振动与冲击》2015年第20期155-160,共6页Journal of Vibration and Shock

基　　金：国家自然科学基金(51175525);973计划资助项目(2014CB049403);湖北汽车工业学院博士基金(BK201406)

摘　　要：针对O型钢丝绳隔振器具有非线性弹性刚度、非对称迟滞动态特性,采用改进的归一化Bouc-Wen模型并基于该模型对钢丝绳隔振器动态特性参数识别方法进行研究。提出新的简单有效的两阶段识别方法进行参数辨识研究。通过数值仿真与周期性加载试验相结合方法对所提方法进行验证。结果表明,参数识别方法可准确有效识别出O型钢丝绳隔振器模型参数,且试验迟滞曲线与识别模型迟滞曲线吻合较好。A modified normalized Bouc-Wen model was adopted to describe the hysteretic behaviour of an O-type wire-cable vibration isolator which exhibits nonlinear elastic stiffness and asymmetric hysteresis dynamic behavior. The parametric identification of the O-type wire-cable vibration isolator was realized based on the modified normalized BoucWen model. A new simple yet effective two-stage identification method was developed. Numerical simulations and periodic loading experiments were carried out to validate the proposed identification method. The results indicate that the proposed identification method is effective and accurate for identifying the model parameters of O-type wire-cable vibration isolator,and the experimental hysteresis loops are close to the identified hysteresis loops.

关 键 词：O型钢丝绳隔振器 迟滞 仿真 识别方法 改进的归一化Bouc-Wen模型 

分 类 号：TU112[建筑科学—建筑理论]