Real-Time Integration of Identification and Semiactive Optimization Control for Mass Damper-Building Combined Systems under Known/Unknown Seismic Excitations

Table 3

Comparisons of identified damping coefficients (known seismic excitation).

Story no	Exact (N/m)	Identified c (N/m)	Error (%)
1st	6000	6062.19	−1.04
2nd	6000	6000.28	0.00
3rd	6000	6155.54	−2.59
4th	6000	6162.43	−2.71
5th	6000	6247.43	−4.12
6th	6000	5546.10	7.56
7th	6000	5907.44	1.54
8th	6000	5789.72	3.50
9th	6000	6159.76	−2.66
10th	6000	5962.92	0.62
SAMD	100	100.09	−0.10