Abstract:Here, a new parameter based on RMS values of human-induced floor vibration acceleration was proposed to determine whether the collected human-induced floor vibration signal data are abnormal quickly. This parameter was the ratio of RMS and weighted RMS of the collected human-induced floor vibration acceleration response signal. The specific expression of the parameter was derived with the theory of the human-induced floor vibration response. The parameter was verified using a finite element floor model with human-induced loads under different operation conditions and a site test of floor vibration with human-induced loads under different operation conditions. It was shown that human-induced loads’ parameter has little effect on this proposed parameter, it is greatly related to basic properties of the floor structure; when dealing with large amounts of data signals, this parameter can be used to screen quickly these data.
杨娜,胡浩然,戴璐 . 一种基于均方比值的人致结构振动加速度响应信号筛选方法[J]. 振动与冲击, 2018, 37(3): 8-13.
YANG Na, HU Hao-ran, DAI Lu. A screening method of structural vibration acceleration response signals based on RMS ratio value. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(3): 8-13.