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Published in:
01-12-2018 | Technical Paper
Structural health monitoring of single degree of freedom flexible structure having active mass damper under seismic load
Published in: Innovative Infrastructure Solutions | Issue 1/2018
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Abstract
In this research, the application of active mass damper (AMD) has been experimentally tested using electromagnetic uniaxial shake table. The characteristic of an active damper has been presented. A state-feedback controller has been introduced for single flood active mass damper (AMD) using numerical modeling. The model was built and experiment was performed in laboratory having AMD to discuss the effect of model parameters and the development of parameters by inputting the data obtained from most severe earthquake on Oct 8 2005 in Pakistan. The system model, control design and observer were tested on shake table having 46 cm × 46 cm dimensions in real time vibrations. The shake table used has capability of running with powerful actuator having scaled accelerograms of real time earthquakes. The setup to operate the controller on real experimental work was discussed. It was observed that about 40% reduction in vibration can be achieved using active mass damper.