基于系统参数组合多重调谐质量阻尼器减震模型冲程的评价

EVALUATION ON STROKE OF THE SYSTEM PARAMETER COMBINATION BASED MULTIPLE TUNED MASS DAMPERS

多重调谐质量阻尼器（MTMD）是由多个固有频率成线性分布的调谐质量阻尼器（TMD）组成。可能的MTMD系统参数组合形成5种MTMD即MTMD-1-MTMD-5。基于建立的MTMD-1-MTMD-5结构系统传递函数和动力放大系数（DMF），定义了求解MTMD-1-MTMD-5最优参数的优化准则。利用求得的MTMD-1-MTMD-5最优频率间隔、阻尼比和调谐频率比，评价了MTMD-1-MTMD-5的冲程情况。

The multiple tuned mass dampers(MTMD) consist of many tuned mass dampers with a linear distribution of natural frequencies.The five types of MTMD(i.e.MTMD1-MTMD-5) are formed in terms of the MTMD system parameter combinations available.By resorting to both the transfer functions and dynamic magnification factors(DMF) formulated for the MTMD-1-MTMD-5 structural system,the MTMD-1-MTMD-5 criterion for optimum searching is then defined.Employing the obtained optimum frequency spacing,damping ratio and tuned frequency ratio,the evaluation is then made on the MTMD-1-MTMD-5 stroke.