Optimal design and robustness evaluation of hysteresis and viscous damper via dynamic characteristics modeling of vibration control structure

在本研究项目中，取得了以下成果。(1)针对迟滞阻尼器或粘弹性阻尼器这两种减振装置的优化配置问题，提出了一种新的精确模型降阶方法。(2)提出了一种新的物理参数识别方法，该方法可以根据响应记录识别减振结构的刚度或阻尼性。(3)利用简化模型，提出了非线性阻尼器减振结构的最优阻尼器布置方法。在优化设计的基础上，可以对振动控制结构进行稳健性评估。

In this research project, the following results are achieved. (1) New precision model reduction method is proposed for optimal placement of vibration control devices, i.e. hysteresis damper or viscoelastic damper. (2) New physical parameter identification method is proposed which can identify stiffness or damping performance of vibration control structure based on response records. (3) Optimal damper placement method for vibration control structure with nonlinear damper is proposed using reduced model. Robustness evaluation of vibration control structure can be performed based on the optimal design.