Fuzzy Control for Seismic Protection of Semiactive Base-Isolated Structures Subjected to Near-Fault Earthquakes

Table 7

Results of numerical simulation.

Earthquake	Control case
TCU102; (hard site)	Passive	0.81	0.82	0.68	0.85	0.94	0.48	0.57	0.82	0.78
	Optimal	0.92	0.95	0.75	0.99	0.87	0.43	0.68	0.81	0.69
	GHFLC	0.87	0.91	0.71	0.93	0.82	0.41	0.61	0.78	0.73
TCU052; (hard site)	Passive	0.79	0.79	0.46	0.82	1.06	0.36	0.38	0.89	0.87
	Optimal	0.87	0.87	0.57	0.87	0.98	0.29	0.49	0.85	0.79
	GHFLC	0.83	0.82	0.55	0.82	0.91	0.33	0.44	0.79	0.84
Artificial earthquake; (hard site)	Passive	0.72	0.74	0.54	0.76	0.92	0.54	0.49	0.90	0.84
	Optimal	0.84	0.86	0.69	0.83	0.89	0.47	0.57	0.86	0.73
	GHFLC	0.76	0.77	0.61	0.79	0.83	0.42	0.52	0.81	0.76
TCU053; (medium site)	Passive	0.61	0.65	0.39	0.71	1.45	0.32	0.37	1.16	0.89
	Optimal	0.69	0.72	0.46	0.76	1.36	0.31	0.45	1.17	0.78
	GHFLC	0.62	0.62	0.42	0.65	1.32	0.26	0.44	1.09	0.72
TCU054; (medium site)	Passive	0.71	0.73	0.43	0.73	1.42	0.84	0.38	1.21	0.88
	Optimal	0.81	0.87	0.45	0.85	1.32	0.79	0.52	1.25	0.86
	GHFLC	0.75	0.71	0.40	0.74	1.26	0.82	0.45	1.13	0.76
Artificial earthquake; (medium site)	Passive	0.54	0.57	0.38	0.64	1.23	0.67	0.36	1.17	0.91
	Optimal	0.67	0.66	0.47	0.67	1.19	0.78	0.48	1.13	0.79
	GHFLC	0.58	0.61	0.40	0.62	1.13	0.72	0.41	1.09	0.85
TCU110; (soft soil site)	Passive	0.77	0.78	0.47	0.77	1.03	0.50	0.45	0.89	0.95
	Optimal	0.83	0.82	0.52	0.85	1.07	0.46	0.52	0.99	0.87
	GHFLC	0.86	0.86	0.56	0.86	1.04	0.42	0.49	0.93	0.90
CHY101; (soft soil site)	Passive	0.69	0.71	0.58	0.75	0.86	0.66	0.54	0.92	0.84
	Optimal	0.75	0.73	0.62	0.74	0.87	0.64	0.55	0.88	0.79
	GHFLC	0.63	0.67	0.54	0.67	0.79	0.65	0.51	0.87	0.83
Artificial earthquake; (soft site)	Passive	0.57	0.64	0.61	0.68	0.97	0.61	0.58	0.98	0.88
	Optimal	0.71	0.70	0.74	0.75	0.94	0.58	0.71	0.93	0.83
	GHFLC	0.65	0.62	0.67	0.69	0.85	0.55	0.63	0.86	0.76