SENSITIVITY ANALYSIS AS A METHOD OF ABSORBER TUNING FOR REDUCTION OF STEADY STATE RESPONSE OF LINEAR PARAMETRIC SYSTEMS |
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Authors: | Z WÓJCICKI |
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Institution: | Institute of Civil Engineering, Wroc?aw University of Technology, Wyb. Wyspiańskiego 27, 50-370, Wroc?aw, Polandf1wojcicki@i14odt.iil.pwr.wroc.plf1 |
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Abstract: | The aim of this paper is to determine whether one dynamic absorber can reduce the amplitude of the steady state vibration of a parametric system for natural and parametric resonance frequencies simultaneously. The efficiency of both the conventional dynamic absorber and the parametric absorber is analyzed. The first order sensitivity analysis of parametric periodic systems in the time domain is applied to obtain logarithmic sensitivity functions in the frequency domain. The first order sensitivity logarithmic functions are used to tune the conventional absorber and the parametric absorber. |
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