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Semi-Active Vibration Control with Harmonically Varying Damping (Performance Improvement of Base Isolation for SDOF System and Vibration Control of Coupled SDOF Systems)
This study demonstrates two types of semi-active vibration control with harmonically varying damping. The first one is performance upgrade of semi-active base isolation method for single-degree-of-freedom system and the other one is a semi-active vibration control method for parallel coupled single-degree-of-freedom system. Recent researches have demonstrated a new method for the utilization of variable damping. In those studies, the damping coefficient was harmonically controlled. Previous studies have confirmed vibration mitigation of a base-isolated structure by interference cancellation with the harmonically varying damping. However the results of previous studies had still room for improvement. Consequently, this study suggests a method for the performance augmentation. However, no such study considering the multi-degree-of-freedom system has been conducted. This paper presents the effect of the harmonically varying damping on the multi-degree-of-freedom system, especially; the influence on two structures in parallel with a variable damper between the structures is discussed.
Semi-Active Vibration Control with Harmonically Varying Damping (Performance Improvement of Base Isolation for SDOF System and Vibration Control of Coupled SDOF Systems)
This study demonstrates two types of semi-active vibration control with harmonically varying damping. The first one is performance upgrade of semi-active base isolation method for single-degree-of-freedom system and the other one is a semi-active vibration control method for parallel coupled single-degree-of-freedom system. Recent researches have demonstrated a new method for the utilization of variable damping. In those studies, the damping coefficient was harmonically controlled. Previous studies have confirmed vibration mitigation of a base-isolated structure by interference cancellation with the harmonically varying damping. However the results of previous studies had still room for improvement. Consequently, this study suggests a method for the performance augmentation. However, no such study considering the multi-degree-of-freedom system has been conducted. This paper presents the effect of the harmonically varying damping on the multi-degree-of-freedom system, especially; the influence on two structures in parallel with a variable damper between the structures is discussed.
Semi-Active Vibration Control with Harmonically Varying Damping (Performance Improvement of Base Isolation for SDOF System and Vibration Control of Coupled SDOF Systems)
Hirohata, S. (Autor:in) / Iba, D. (Autor:in) / Nakamura, M. (Autor:in) / Moriwaki, I. (Autor:in)
Advances in Structural Engineering ; 16 ; 177-188
01.01.2013
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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