Damping Identification with Acceleration Measurements Based on Sensitivity Enhancement Method

Table 8

Identification results with 20% and 30% measurement noise.

Noise level	Damping ratio	Sensor set 1		Sensor set 2
		Proposed method	Conventional method	Proposed method	Conventional method
20%		0.0099	0.0099	0.0099	0.0155
		0.0199	0.0199	0.0200	0.0214
30%		0.0099	0.0079	0.0099	0.0180
		0.0199	0.0195	0.0200	0.0220
Noise level	Damping ratio	Sensor set 3		Sensor set 4
		Proposed method	Conventional method	Proposed method	Conventional method
20%		0.0104	0.0082	0.0101	0.0115
		0.0201	0.0195	0.0202	0.0205
30%		0.0107	0.0073	0.0103	0.0122
		0.0202	0.0192	0.0200	0.0208
Noise level	Damping ratio	Sensor set 5		Sensor set 6
		Proposed method	Conventional method	Proposed method	Conventional method
20%		0.0114	0.0089	0.0096	0.0112
		0.0202	0.0195	0.0199	0.0204
30%		0.0124	0.0083	0.0098	0.0119
		0.2040	0.0192	0.0200	0.0207