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Modal analysis of electric motors using reduced-order modeling

Mathis, Allen, MATHIS
http://rave.ohiolink.edu/etdc/view?acc_num=akron1462898318

Abstract Details

2016, Master of Science in Engineering, University of Akron, Mechanical Engineering.
Electric motors are an extremely important class of electro-mechanical machines and are used today in countless applications. In particular, motors with distinctive poles, e.g. switched reluctance motors, see considerable use in both industry and academia; however, this class of motors suffers from acoustic and vibration issues as a result of the pulsating nature of its torque production. To make matters worse, analytical and numerical modeling of many aspects of these machines is extremely difficult due to their nonlinear, electromagnetic-mechanically coupled nature. Finite element methods (FEM) can provide some relief to designers, but at great computational costs. This thesis models, numerically simulates, and studies these electric motors using first principles so as to provide future designers with a physics-based approach analyzing the mechanical vibrations of these systems. Two varieties of machines are analyzed: switched reluctance motors (SRMs) and modular transverse flux motors (MTFMs), specifically a novel MTFM developed by colleagues from the electrical engineering field. A modular methodology is developed to suit a variety of design cases, and both vibration and stress analyses are conducted to show a variety of post-processing results.
Donald Quinn, PhD (Advisor)
Yilmaz Sozer, PhD (Committee Member)
Graham Kelly, PhD (Committee Member)
Gerald Young, PhD (Committee Member)
137 p.
Mechanical Engineering
switched-reluctance motors; modal analysis; reduced-order modeling; electro-mechanical systems

Recommended Citations

Citations

  • Mathis, MATHIS, A. (2016). Modal analysis of electric motors using reduced-order modeling [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1462898318

    APA Style (7th edition)

  • Mathis, MATHIS, Allen. Modal analysis of electric motors using reduced-order modeling. 2016. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1462898318.

    MLA Style (8th edition)

  • Mathis, MATHIS, Allen. "Modal analysis of electric motors using reduced-order modeling." Master's thesis, University of Akron, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1462898318

    Chicago Manual of Style (17th edition)

akron1462898318
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This open access ETD is published by University of Akron and OhioLINK.