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  • Investigations into the effects of a vibrating meniscus on the characteristics of drop formation

    Creator:
    Lewis, Kevin T.
    Abstract:
    As drop-on-demand (DOD) applications continue to gain ground in desktop inkjet-printing, 3D printing, fluid mixing, and other areas the demand for higher frequency operations are beginning to push against the current physical boundaries in DOD technology. The current research is exploring the possibility of controlling drop volume and velocity at...
    Resource Type:
    Masters Thesis
    Full Text:
    LEM model framework, special attention was given to the definition of a novel method by which one

  • Human Error in Helicopter Accidents : Understanding the Manifestation of Human Error across Helicopter Missions

    Creator:
    Morowsky, Katarina A.
    Abstract:
    Human error is responsible for the majority of accidents in complex environments including helicopter operations. To reduce the overall accident rate throughout the helicopter industry, we must first understand how helicopter missions differ from one another and what errors lead to accidents. The research documented in this dissertation involved a...
    Resource Type:
    Dissertation
    Full Text:
    suited for future helicopter accident report analysis studies. The third study combined the finding

  • Shear Moduli Estimates of Thermoplastic Natural Fiber Composites via Off-Axis Tensile Tests

    Creator:
    Johnson, Natalie N.
    Abstract:
    Fiber reinforced polymers have gained considerable attention due to their wide range of applications, leading to significative concerns for end-of-life recyclability and disposal. Natural fibers and recycled carbon fibers, coupled with thermoplastic matrices can provide a sustainable and environmentally friendly alternative to traditional materials. This study focused on experimental materials...
    Resource Type:
    Masters Thesis
    Full Text:
    . Digital image correlation measurement technique was applied for special tensile off- axis ad-hoc tests

  • Human Performance with Multiple UAV Systems: Use Cases and Modeling

    Creator:
    Uriarte, Patrick A.
    Abstract:
    Commercial and public safety usage of Unmanned Aerial Vehicles in the National Airspace is currently restricted by federal regulation. The Federal Aeronautics Association is interested in modifying the restrictions; however, research is needed to study the human factor and required aptitude for a single human operating multiple UAVs. This Master’s...
    Resource Type:
    Capstone Project
    Full Text:
    aptitude for a single human operating multiple UAVs. This Master’s Project report documents my

  • Efficient Algorithms for Solving the Median Problem on Real Road Networks

    Creator:
    Ghanbartehrani, Saeed
    Abstract:
    Location theory is a well-established and active research area. The main objective in location theory is to find the best locations for facilities to meet supply and demand constraints and minimize total cost. The median problem (also known as the 1-median problem) is a special case in location analysis that...
    Resource Type:
    Dissertation
    Full Text:
    ) is a special case in location analysis that aims at locating a facility such that the sum of demand

  • Developing a should-cost model to predict display pricing in smartphones

    Creator:
    Parameshwaran Kashi, Viswanath
    Abstract:
    Companies working on new product development of smartphones seek to adopt designs and methodologies to help them stay competitive. Due to its high cost contribution to a smartphone, optimizing display cost is an important part of a smartphone's cost reduction activity. Hence, strategically sourcing displays in the development of smartphones...
    Resource Type:
    Masters Thesis
    Full Text:
    at many levels. A special note of gratitude to Dr. Toni.L.Doolen for being a part of the research

  • Care Team Burnout in Human and Veterinary Medicine

    Creator:
    Alshaiji, Rawan
    Abstract:
    Medical professionals experience higher rates of burnout than other professions due to the highly stressful nature of their environment. In 2018, 94 percent of physicians reported experiencing burnout – characterized by emotional fatigue, and feelings of depersonalization and low personal accomplishment – at some point in their careers. As emotional...
    Resource Type:
    Dissertation
    Full Text:
    . Findings suggest that proactive care team members in human and veterinary medicine tend to report lower

  • Effects of Instructional Design and Emotional State on Performance, Mediated by Interest and Attention

    Creator:
    Suarez, Karina
    Abstract:
    This study seeks to determine the effect of instructional design and emotional state on performance, considering interest and attention as mediators. To identify this effect, a Structural Equation Model (SEM) is applied to analyze individual performance based on five variables: information representation, emotional state, pupil size, alpha power, and task...
    Resource Type:
    Masters Thesis
    Full Text:
    prediction of performance by including behavioral metrics than solely from self-report methods, which may

  • Bi-criteria group scheduling with learning in hybrid flow shops

    Creator:
    Bozorgirad, Mir Abbas
    Abstract:
    In this research, a bi-criteria group scheduling problem is investigated in hybrid flow shop (HFS) environments, where the parallel machines in each stage are unrelated, meaning not identical. The objective of the problem is to minimize a linear combination of the total weighted completion times as a means of complying...
    Resource Type:
    Dissertation
    Full Text:
    committee members, Dr. Toni Doolen and Dr. Karl Haapala for their guidance and support. Special thanks to

  • Investigating socio-technical factors in short-term continuous improvement project effectiveness

    Creator:
    Stelson, Paul Martinez
    Abstract:
    Lean manufacturing, or more generally continuous improvement (CI), has been the methodology behind significant improvements in quality, work in process inventory reductions, lead time reduction and cost reduction while conversely being associated with failed implementations and occasionally with unpopular work practices. This research focused on promoting understanding of CI methodology...
    Resource Type:
    Masters Thesis
    Full Text:
    Mechanical Engineering students. To June Worley, a special thanks for helping with the analysis of the A3