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Connerton MS Thesis v3.pdf (2 MB)

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DEVELOPMENT OF A PLANETARY STYLE POWER UNIT FOR A LOWER EXTREMITY EXOSKELETON

Connerton, Michael J
http://rave.ohiolink.edu/etdc/view?acc_num=case1560270030843062

Abstract Details

2019, Master of Sciences, Case Western Reserve University, EMC - Mechanical Engineering.
This thesis details the research, development, construction, and testing of a combination motor and planetary transmission power unit for a lower extremity exoskeleton for individuals with spinal cord injuries. Each power unit is designed to actuate one of the lower extremity joints, either the hips or knees. These power units are comprised of three main components: a brushless DC motor, a solenoid brake, and a planetary gear style transmission. This is in contrast to previous versions of the exoskeleton power units which, like many others, utilized harmonic drives as a source of gear reduction. The planetary gear train was designed using the Lewis gear stress equation to be able to determine the proper gear geometry that could provide the necessary torque and speed output without failing. The resulting power unit was tested to determine the speed vs current and isometric torque curves and was found to be 95% mechanically efficient.
Roger Quinn (Committee Chair)
Triolo Ronald (Committee Member)
Bachmann Richard (Committee Member)
76 p.
Biomedical Engineering; Mechanical Engineering
exoskeleton; power unit; planetary gear; orthosis

Recommended Citations

Citations

  • Connerton, M. J. (2019). DEVELOPMENT OF A PLANETARY STYLE POWER UNIT FOR A LOWER EXTREMITY EXOSKELETON [Master's thesis, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1560270030843062

    APA Style (7th edition)

  • Connerton, Michael. DEVELOPMENT OF A PLANETARY STYLE POWER UNIT FOR A LOWER EXTREMITY EXOSKELETON . 2019. Case Western Reserve University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1560270030843062.

    MLA Style (8th edition)

  • Connerton, Michael. "DEVELOPMENT OF A PLANETARY STYLE POWER UNIT FOR A LOWER EXTREMITY EXOSKELETON ." Master's thesis, Case Western Reserve University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1560270030843062

    Chicago Manual of Style (17th edition)

case1560270030843062
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© 2019, all rights reserved.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.