Magneto-rheological engine mount design and experimental characterization
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Isolation mounts using magneto-rheological (MR) fluid have increasing potential for various applications. This paper introduces new design and manufacturing aspects of MR engine mounts. CAD software was used to design MR mounts and three different types of MR mount prototypes were considered. Later, magnetostatic analyses were performed to validate the designed configuration of the electromagnetic coil, which controlled the MR fluid flow. The MR mounts were manufactured and, then, tested statically and dynamically using a servo-hydraulic rate machine. Static tests were performed with amplitudes between 0–10 mm. Dynamic tests were performed under excitation frequencies in between 0–100 Hz with amplitudes of ±0.1 mm, ±0.5 mm, ±1.0 mm and ±2.0 mm as well as under excitation frequencies in between 0–20 Hz with amplitudes of ±3.0 mm, ±4.0 mm. Besides the MR mounts, hydro mount and elastomeric top were tested adopting the same procedure. The finding of different mount properties was explained and MR mount characteristics in frequency domain were demonstrated. In addition, the measured characteristics were compared with each other for hydraulic mount and elastomeric top.
KeywordsMagnetorheological fluid MR engine mount MR mount Semi-active isolator Vibration isolation
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- M. N. Khajavi and V. Abdollahi, Comparison between optimized passive vehicle suspension system and semi active fuzzy logic controlled suspension system regarding ride and handling, World Academy of Science, Engineering and Technology, 1 (2007) 57–61.Google Scholar
- http://www.materiatech–carma.net/html/pdf/actesmiec08/Albert_ACHEN–LORD–Magnetorheo.pdf, Accessed 19 April (2014).Google Scholar
- J. R. Lloyd, M. O. Hayesmichel and C. J. Radcliffe, Internal organizational measurement for control of magnetorheological fluid properties, Journal of Fluids Engineering, 129 (423) (2007).Google Scholar
- J. Rabinow, The magnetic fluid clutch, AIEE Transactions, 67 (1948) 1308–1315.Google Scholar
- H. Janocha and D. J. Jendritza, Adaptronics and smart structures: Basics, materials, design, and applications, Springer (1997) 198–200.Google Scholar
- M. T. Avraam, MR–fluid brake design and its application to a portable muscular rehabilitation device, Ph.D. Thesis, Universite libre de Bruxelles, Department of Mechanical Engineering and Robotics, Belgium, 7–8 (13) (2009) 19–20.Google Scholar
- http://delphi.com/pdf/news/DelphiMagnetoRheologicalEngine Mounts070909.pdf, Accessed 19 April (2014).Google Scholar
- M. Elahinia, C. Ciocanel, T. M. Nguyen and S. Wang, MRand ER–based semiactive engine mounts: A review, Smart Materials Research, Article ID 831017, 2013 (2013) 21.Google Scholar
- T. Feyzi, R. Tikani, M. Esfahanian and R. S. Ziaei, Performance analysis of different modified MR engines mounts, Journal of Solid Mechanics, 3 (2) (2011) 124–131.Google Scholar
- I. Korkmaz, Araçlarda motor askı sistemlerinin incelenmesi, M.Sc. Thesis, Istanbul Technical University Graduate School of Science Engineering and Technology, Istanbul (2007) 1–7, 18–26, 34–37.Google Scholar
- T. M. Nguyen, A novel semi–active magnetorheological mount for vibration isolation, Ph.D. Thesis, The University of Toledo, USA (2009) 1–10, 43–51, 91–92, 101.Google Scholar