A State Feedback Controller Based on GCC Algorithm against Wind-Induced Motion for High-Rise Buildings with Parametric Uncertainties

Table 4

Control effects to the structural responses of the experimental system without variations under LQR control.

Index		LQR control
		No control	Control	Effect (%)
Displacement (cm)	2^nd floor	2.98	2.00	32.95
	3^rd floor	4.32	2.86	33.71
	4^th floor	4.97	3.27	34.06
Acceleration (cm/s^2)	2^nd floor	28.34	8.34	70.56
	3^rd floor	30.82	10.99	64.36
	4^th floor	30.97	8.26	73.34
Control force (N)		—	13.90	—
Stroke (cm)		—	15.33	—