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对使用主动调频质量块ATMD的具有n阶自由度的柔性大楼结构建立了全阶模型,并将得到的结构降阶模型用于设计ATMD控制器。通过分析,大楼结构的位置和速度可选为控制器的输出反馈变量。将等效两端口模型应用于带ATMD的大楼结构,使用H∞频域定型综合理论,设计出ATMD的鲁棒控制器。仿真证明该控制算法是非常有效的。
A full-order model is built for a flexible building with an n-order degree of freedom using the active-noise mass ATMD, and the resulting reduced-order model is used to design an ATMD controller. Through analysis, the position and speed of the building structure can be selected as the output feedback variable of the controller. The equivalent two-port model is applied to the building structure with ATMD, and the robust controller of ATMD is designed by using H∞ frequency-domain shaping synthesis theory. Simulation shows that the control algorithm is very effective.