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

Table 4

Comparison measures for Erzincan earthquake.

Story No	NC		LQR			INS-ABS
	P1	P2	P1	P2	P3 control energy	P1	P2	P3 control energy
1	1.00	1.00	0.67	1.01	1 (2718 J)	0.70	0.59	0.89 (2203 J)
2	1.96	1.14	1.31	1.03		1.40	0.76
3	2.84	1.55	1.88	1.13		1.90	0.93
4	3.61	1.94	2.39	1.32		2.41	1.07
5	4.24	2.19	2.80	1.45		2.92	1.19
6	4.72	2.25	3.11	1.49		3.14	1.28
7	5.04	2.29	3.32	1.64		3.33	1.34
8	5.20	2.48	3.43	1.80		3.44	1.37