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Experimental Evaluation of semi active particle based impact damping system controlled by magnetic field

Author(s):

Chaitali Mahajan , TSSM's, BSCOER, Narhe, Pune; Avinash Mahale, TSSM's, BSCOER, Narhe, Pune

Keywords:

Structural Control, Semi-Active Control, Magnetization

Abstract

The concepts of structural control including both passive and active control systems, have been growing in acceptance and may preclude the necessity of allowing for inelastic deformations in the structural system. A compromise between passive and active control systems has been developed recently in the form of semi-active control systems. Semi-active control systems maintain the reliability of passive control systems while taking advantage of the adjustable parameter characteristics of an active control system. In this experimentation, the designed and fabrication of semi-active particle-based damping system and we measure the particle impact damping for simply supported beam in which a dry magnetic particle bed is used to dissipate the energy of a vibrating piston. The system is magnetized by a magnetic field generated by an electromagnetic coil. Hysteresis-free, ferromagnetic materials are selected for both the piston and particles. The damping efficiency increases as the magnetization of the piston and particles increases up to saturation. Semi-active control is achieved by varying the electric current supplied to the coil. The performance of semi active particle based damping will be compared with conventional damper. It is expected to minimize the vibration and to study the performance parameters.

Other Details

Paper ID: IJSRDV4I60531
Published in: Volume : 4, Issue : 6
Publication Date: 01/09/2016
Page(s): 1004-1007

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