Variable stiffness and damping semi-active vibration control technology based on magnetorheological fluids

Shiyu Zhao; Huaxia Deng; Jin Zhang; ShuaiShuai Sun; Weihua Li; Lei Wang

doi:10.1117/12.2035903

10 October 2013 Variable stiffness and damping semi-active vibration control technology based on magnetorheological fluids

Shiyu Zhao, Huaxia Deng, Jin Zhang, ShuaiShuai Sun, Weihua Li, Lei Wang

Author Affiliations +

Proceedings Volume 8916, Sixth International Symposium on Precision Mechanical Measurements; 89160I (2013) https://doi.org/10.1117/12.2035903
Event: Sixth International Symposium on Precision Mechanical Measurements, 2013, Guiyang, China

Abstract

Vibration is a source to induce uncertainty for the measurement. The traditional passive vibration control method has low efficiency and limited working conditions. The active vibration control method is not practical for its power demanding, complexity and instability. In this paper, a novel semi-active vibration control technology based on magnetorheological (MR) fluid is presented with dual variable stiffness and damping capability. Because of the rheological behavior depending on the magnetic field intensity, MR fluid is used in many damping semi-active vibration control systems. The paper proposed a structure to allow the both overall damping and stiffness variable. The equivalent damping and stiffness of the structure are analyzed and the influences of the parameters on the stiffness and damping changing are further discussed.

Citation Download Citation

Shiyu Zhao, Huaxia Deng, Jin Zhang, ShuaiShuai Sun, Weihua Li, and Lei Wang "Variable stiffness and damping semi-active vibration control technology based on magnetorheological fluids", Proc. SPIE 8916, Sixth International Symposium on Precision Mechanical Measurements, 89160I (10 October 2013); https://doi.org/10.1117/12.2035903

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