{"595151":{"#nid":"595151","#data":{"type":"event","title":"PhD Defense by Morris Huang","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003EMorris Huang\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003EBioE\u0026nbsp;PhD Defense Presentation\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EDate:\u003C\/strong\u003E\u0026nbsp;Monday, September 11th, 2017\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ETime:\u003C\/strong\u003E 1:00 PM\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ELocation:\u003C\/strong\u003E Parker H. Petit Institute for Bioengineering and Bioscience\u003Cstrong\u003E - \u003C\/strong\u003ESuddath Seminar Room 1128\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EAdvisor:\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003EStephen H. Sprigle, PhD, PT (School of Mechanical Engineering, Georgia Institute of Technology)\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ECommittee:\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003EAldo A. Ferri, PhD (School of Mechanical Engineering, Georgia Institute of Technology)\u003Cbr \/\u003E\r\nJun Ueda, PhD (School of Mechanical Engineering, Georgia Institute of Technology)\u003Cbr \/\u003E\r\nYoung-Hui Chang, PhD (School of Biological Sciences, Georgia Institute of Technology)\u003C\/p\u003E\r\n\r\n\u003Cp\u003EMaysam Ghovanloo, PhD (School of Electrical and Computer Engineering, Georgia Institute of Technology)\u003C\/p\u003E\r\n\r\n\u003Cp\u003EMark Greig (Vice President of R\u0026amp;D Engineering, Sunrise Medical LLC)\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EDEVELOPMENT OF COMPONENT AND SYSTEM-LEVEL TEST METHODS TO CHARACTERIZE MANUAL WHEELCHAIR PROPULSION COST\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cbr \/\u003E\r\nThe current approach to manual wheelchair design lacks a sound and objective connection to metrics for wheelchair performance.\u0026nbsp; Wheelchair performance directly impacts propulsion effort, which is a strong determinant of user health and mobility.\u0026nbsp; The objective of this thesis is three-fold: 1) to characterize the inertial and resistive properties of different wheelchair components and configurations, 2) to characterize the systems-level wheelchair propulsion cost, and 3) to model wheelchair propulsion cost as a function of measured component and configuration properties.\u0026nbsp; To this end, this defense presents the development of 1) a series of instruments and methodologies to evaluate the rotational inertia, rolling resistance, and scrub torque of wheelchair casters and drive wheels on various surface types, and 2) a wheelchair-propelling robot capable of measuring propulsion cost across a collection of maneuvers representative of everyday wheelchair mobility.\u0026nbsp; Using this collection of devices, I demonstrate the variance manifested in the resistive properties of 8 casters and 4 drive wheels, and the impact of these components (as well as mass and weight distribution) on system-level wheelchair propulsion cost.\u0026nbsp; Coupling these findings with a theoretical framework describing wheelchair dynamics, I define two empirical models linking system propulsion cost to component resistive properties.\u0026nbsp; The outcomes of this research empower clinicians and users to make a more informed choice in wheelchair selection by means of a standard, scientifically-motivated performance metric.\u0026nbsp; Furthermore, the empirical models offer manufacturers a basis by which to optimize their future wheelchair designs, thus motivating a better product for all wheelchair stakeholders.\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"DEVELOPMENT OF COMPONENT AND SYSTEM-LEVEL TEST METHODS TO CHARACTERIZE MANUAL WHEELCHAIR PROPULSION COST"}],"uid":"27707","created_gmt":"2017-08-28 19:42:57","changed_gmt":"2017-09-18 19:22:46","author":"Tatianna Richardson","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2017-09-21T12:00:00-04:00","event_time_end":"2017-09-21T14:00:00-04:00","event_time_end_last":"2017-09-21T14:00:00-04:00","gmt_time_start":"2017-09-21 16:00:00","gmt_time_end":"2017-09-21 18:00:00","gmt_time_end_last":"2017-09-21 18:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"221981","name":"Graduate Studies"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78771","name":"Public"},{"id":"174045","name":"Graduate students"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}