Automated Modal Identification Based on Improved Clustering Method

Table 2

Identified mean value and standard deviation of frequency and damping ratio.

Mode
	(Hz)	(Hz)	(Hz)	(Hz)	(Hz)	(Hz)	(%)	(%)	(%)	(%)
1	3.855	0.005	3.86	0.01	3.86	0.01	0.779	0.102	0.8	0.1
2	4.894	0.011	4.90	0.01	4.89	0.01	1.407	0.176	1.4	0.2
3	9.761	0.022	9.76	0.02	9.76	0.02	1.358	0.203	1.4	0.2
4	10.302	0.073	10.30	0.09	10.30	0.08	1.308	0.177	1.3	0.3
5	12.470	0.115	12.41	0.19	12.39	0.18	2.893	0.510	2.8	0.4