Experimental Issues in Testing a Semiactive Technique to Control Earthquake Induced Vibration

Table 1

Acquisition of the structural response for the case study experiments.

Transducer	Physical quantity acquired
Servoaccelerometers; Columbia, model SA-107LN (±1 g); FGP, model FA101-A2 (±2 g)	Acceleration of the base level
	Acceleration of the 1st floor
	Acceleration of the 2nd floor
Temposonic ±250 mm; digital transducers; 2 𝜇m resolution	Absolute displacement of the base level
	Absolute displacement of the 1st floor
	Absolute displacement of the 2nd floor
AEP load cells; model TC4, 50 kN	MR damper east side axial force
	MR damper west side axial force
Penny and Giles LP; displacement transducers; model HLP190/SA, ±50 mm	Stroke of the east MR damper
	Stroke of the west MR damper