Passive Control of a Vibrating Bar with a Dynamic Vibration Absorber
Journal Title: International Journal of Innovative Research in Advanced Engineering - Year 2016, Vol 0, Issue 0
Abstract
The passive control of a vibrating bar is analyzed in this paper. It has been controlled passively by a Dynamic Vibration Absorber (DVA) which consists of a mass and a spring. A bar, which is fixed at one end and free at the other end is subjected to a harmonically excited force being positioned at the free end. By analyzing the motion of a bar, the equation of motion for a bar was derived by using a method of variation of parameters. To define the optimal conditions of a DVA, the cost function, which denotes the reduction of a force being transmitted to the fixed end of a bar was evaluated and discussed. The possibility of reduction of the force transmissibility was found to depend on the location and the spring stiffness of a DVA.
Authors and Affiliations
Giman KIM
Keywords
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