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

Table 6

Comparisons of identified damping coefficients (unknown seismic excitation).

Story no	Exact (N/m)	Identified c (N/m)	Error (%)
1st	6000	6002.02	−0.03
2nd	6000	6130.07	−2.17
3rd	6000	6067.38	−1.12
4th	6000	5946.77	0.89
5th	6000	5761.88	3.97
6th	6000	6001.38	−0.02
7th	6000	5889.00	1.85
8th	6000	5900.95	1.65
9th	6000	6281.78	−4.70
10th	6000	6073.32	−1.22
SAMD	100	100.04	−0.05