Effectiveness of magneto-rheological damper placement in seismic vibration control

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Earthquake is dangerous natural calamities considered in the nature which will destroy the environment completely. The human life along with the structures will be in threat, so a sophisticated structural design is required and hence efficient control algorithm is required to overcome this hazard. The passive and active control system has been developed to control the structures and it is found that active control strategy performs better than passive but because of some limitation like cost effectiveness and reliability semi-active control system is been adopted in recent years. Therefore this work aims at the design of Robust Proportional Derivative Controller along with semi-active damper like Magneto-rheological damper. This controller is a combination of classical PID controller and state feedback controller. The commanded voltage of this controller will be sent to the current driver. This current driver will convert the voltage to current. Magneto-rheological damper in turn receives this controlled current and produces the force required to control the vibration of the structure. The minimum control effort is simulated by placing MR damper in different floors of the structure and results are demonstrated. Optimum placement of the damper plays an important role because of economy and minimum vibration to the least possible consideration.




Bhagyashree, & Kavyashree. (2019). Effectiveness of magneto-rheological damper placement in seismic vibration control. International Journal of Innovative Technology and Exploring Engineering, 8(10), 1911–1914. https://doi.org/10.35940/ijitee.J9265.0881019

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