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Parametric Investigation Toward Achieving an Optimal Magnetorheological Mount

Anderson, Walter
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271339488

Abstract Details

2010, Master of Science in Engineering, University of Toledo, Mechanical Engineering.
Hybrid vehicles have been developed to increase the fuel economy of existing vehicles. Examples include hydraulic and electric hybrid vehicles. A common issue in hybrid vehicles is the additional vibration and vibration-caused noise. This vibration is primarily caused by the switching of power modes, i.e. from the conventional gasoline engine to the electric or hydraulic motor. In certain cases, this vibration, due to the wide frequency range characteristics, cannot effectively be isolated through the use of conventional isolation technologies. In this thesis, a mixed mode magnetorheological mount has been investigated to mitigate this and similar wide-frequency vibration. In order to effectively isolate vibration, a mount should be designed for a specific application. Different engines however are required for each application; a designer therefore must alter the engine mount with the desired stiffness and damping characteristics. In this work a parametric analysis has been performed on one of the main components of the mount, the elastomeric top. The analysis and comparison to the experimental results are discussed in detail. Three different parameters were the focus of this investigation. The rubber thickness (by two means) and height were studied. It was found that varying the mount diameter (thickness) is the most influential parameter that was investigated. The initial analyses to validate the finite element model showed at most a ~5% difference. The results of this study will be instrumental for designing and optimizing different mounts including magnetorheological and hydraulic mounts.
Mohammad Elahinia, PhD (Advisor)
Mehdi Pourazady, PhD (Committee Member)
Sorin Cioc, PhD (Committee Member)
Mechanical Engineering
Magnetorheological; MR; engine mount; hybrid vehicle; parametric analysis

Recommended Citations

Citations

  • Anderson, W. (2010). Parametric Investigation Toward Achieving an Optimal Magnetorheological Mount [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271339488

    APA Style (7th edition)

  • Anderson, Walter. Parametric Investigation Toward Achieving an Optimal Magnetorheological Mount. 2010. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271339488.

    MLA Style (8th edition)

  • Anderson, Walter. "Parametric Investigation Toward Achieving an Optimal Magnetorheological Mount." Master's thesis, University of Toledo, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271339488

    Chicago Manual of Style (17th edition)

toledo1271339488
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© 2010, all rights reserved.
This open access ETD is published by University of Toledo and OhioLINK.