Vibration Isolation by Variable Stiffness and Damping

Vibration Isolation by Variable Stiffness and Damping

P.B Patil, Amol Varpe, Laxman Birjdar and Tejas Kupekar

P.B Patil, Amol Varpe, Laxman Birjdar and Tejas Kupekar "Vibration Isolation by Variable Stiffness and Damping" Published in International Journal of Trend in Research and Development (IJTRD), ISSN: 2394-9333, Volume-2 | Issue-6 , December 2015, URL:

Vibration isolation is a most widely used vibration protection method. The stiffness of vibration isolators in existing conventional type of vibration isolation system is usually of fixed value. This limits the system in exhibiting its vibration isolation effect is that, it has poor results for lower frequency vibration, especially for resonance frequency. Magneto-rheological elastomer is a new branch of Magneto-rheological materials. It’s an intelligent materials in that it’s shear modulus can be controlled by a magnetic field. It has wide application prospects in the vibration control area. This paper proposes using adjustable stiffness of magneto-rheological elastomer vibration isolation in vibration isolation system. By changing the current of vibration isolators coil to control the shear modulus of magneto-rheological elastomer, it can adjust the stiffness of the isolation system, making the system obtain wider vibration isolation frequency range. By exploying SimuLink software to analyze the vibration isolation system, it is found that such a design is effective and applicable

Vibration Isolator, Stiffness,Damper,MR Fluid,Voigt Element

Volume-2 | Issue-6 , December 2015


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