The paper presents the design and control of a magnetorheological (MR) fluid based mount that combines the squeeze and flow modes in operation. The proposed design yields a high static stiffness and a low dynamic stiffness in the working frequency range of the mount, enhancing the vibration isolation capabilities of the mount compared to existing hydraulic mounts. Vertical vibrations, namely displacement/force transmissibility, can be isolated or significantly reduced, in real time, by controlling the fluid yield stress through an applied electric current. The mount governing equations have been derived and the effect of system parameters on its performance was analyzed. Preliminary results on the implementation of skyhook, groundhook and hybrid control strategies are also presented.
- Design Engineering Division and Computers and Information in Engineering Division
On the Design and Control of a Squeeze-Flow Mode Magnetorheological Fluid Mount
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Ciocanel, C, Nguyen, T, Schroeder, C, & Elahinia, M. "On the Design and Control of a Squeeze-Flow Mode Magnetorheological Fluid Mount." Proceedings of the ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C. Las Vegas, Nevada, USA. September 4–7, 2007. pp. 1915-1921. ASME. https://doi.org/10.1115/DETC2007-35684
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