Absolute Instantaneous Optimal Control Performance Index for Active Vibration Control of Structures under Seismic Excitation

Table 1

Earthquake records used in this study.

Name of the earthquake	Year	Magnitude	Record station	PGA (g)	PGV (cm/s)	PGD (cm)
El Centro	1940	7.1	El Centro Terminal Substation	0.35	33.45	7.4
Erzincan	1992	6.69	95 Erzincan	0.48	72.95	24.79
Northridge	1994	6.69	Rinaldi Receiving Station	0.63	109.24	28.26