Index Catalog // ScholarsArchive@OSU

Assessing steel bevel gear design alternatives for sustainability performance through unit manufacturing process modeling

Creator:: Eastwood, Michael D.
Abstract:: As the growth in demand for sustainable manufacturing continues, companies must begin to make conscious design decisions with regard to the sustainability of their products. This means balancing economics of production with environmental and social performance. Thus, design and manufacturing engineers must consider economic, environmental, and social aspects simultaneously when...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Michael D. Eastwood

Pre-Prototyping Framework: An Early Design Prototyping Methodology for Human-Centered Products and Workplaces

Creator:: Ahmed, Salman
Abstract:: Prototyping is a crucial step in product design and development, but it is also known as the highest sunk cost. The top 20 Research and Development (R&D) department spends 142 billion dollars, yet 40 to 46 percent of this money goes into developing products that cannot even make to the...
Resource Type:: Dissertation
Full Text:: is also known as the highest sunk cost. The top 20 Research and Development (R&D) department spends

Integrated Evaluation of Drinking Water Purification: A Mixed-Method Laboratory and Field Assessment of a Biomass-Powered Water Treatment Technology

Creator:: Burleson, Grace Ellen
Abstract:: The global water crisis is defined as one of the major threats facing humankind over the next decade with over 1 in 10 people lacking access to clean drinking water worldwide. An estimated 1.2 million people pasteurize their drinking water by using boiling as an indicator. Pasteurization is the process...
Resource Type:: Masters Thesis
Full Text:: should be done to quantify kill rates and D values of pathogens, such as viruses and protozoa, so that

Discrete-time explicit model reference adaptive control for robotic manipulators

Creator:: Yuh, Junku
Abstract:: In this dissertation a direct approach to discrete-time model reference adaptive control (MRAC) based on hyperstability theory is proposed to control industrial robotic manipulators. For industrial robots and manipulators, which usually have highly nonlinear and complex dynamic equations and often have unknown inertia characteristics, it is very difficult to achieve...
Resource Type:: Dissertation
Full Text:: 2.2.1 and 2.2.5. Given a particular E>O, we select a d(c,to )>0 such that for 11x011< 6(E,t0) we

Theoretical modeling and experimental analysis of the flight mechanics of Lepidoptera

Creator:: Wilson, Tyler
Abstract:: Development of micro air vehicles has led to a strong interest in the biomechanics of flapping fliers such as bats, birds, and insects, due to their ability to perform extreme unsteady maneuvers and fly in confined spaces. Determining the methods and mechanisms used by these fliers is a valuable source...
Resource Type:: Masters Thesis
Full Text:: flight research A long-standing scientific interest in natural flight dates back to Leonardo da Vinci

Simulation of Steady Flight of Butterflies and Improvement of Parameter Optimization

Creator:: Selover-Stephan, Tassilo
Abstract:: Recent interest in nano aerial vehicles (NAVs) has sparked an increase in research on the mechanics of biological flapping flight. The ability of NAVs to fly in confined spaces and perform tight maneuvers make them a valuable technological asset. Researching the mechanisms behind small-scale flapping flight promises progress toward the...
Resource Type:: Honors College Thesis
Full Text:: optimized at a pitch angle of 10°, (c) another set optimized at 30°, and (d) a set optimized at 50

Design of robust infrastructure systems incorporating user behavior

Creator:: Piacenza, Joseph R., III
Abstract:: Infrastructure systems are a critical component supporting today's modern society. From power grids to traffic networks, we rely on these systems to perform as intended, despite the various sources of uncertainty present in their operation. Designing for system robustness can help mitigate the impact of failures caused by unexpected events....
Resource Type:: Dissertation
Full Text:: flowing through an arc 8 𝐷! demand that has to be satisfied by the shortest path 𝑖 𝐿

Ontologies to Support Repeatable and Valid Customer Requirements Generation

Creator:: Lemke, Mark T.
Abstract:: Due to the growing complexity, sophistication, and interconnectedness of present day engineered products and services, the use of ontologies in engineering design is becoming more widespread. An ontology provides a standardized way of describing concepts in a domain of interest and the relationships between these concepts to better understand the...
Resource Type:: Masters Thesis
Full Text:: : CUSTOMER REQUIREMENT TEMPLATES A-D ..........................61 TABLE OF CONTENTS

Aircraft wing optimization using B-spline models and panel methods

Creator:: Jackson, Danielle Monique
Abstract:: This research investigates shape optimization process, using b-spline models and panel methods, to achieve a high lift to drag ratio for an aerodynamic structure. This research is a proof of concept for further research in aerodynamic shape optimization. The coupled process, involving the design and optimization of a random shape,...
Resource Type:: Masters Thesis
Full Text:: ............................................................. 5 Table 2: Selected L/D Ratio Optimization Results

Design of a helicopter with a jet-propelled rotor

Creator:: Lockwood, Raymond Marshall
Resource Type:: Masters Thesis
Full Text:: distance from e.g. to rotor hub, feet 'I Lock's blade inertia factor =pacR^/l L lift, pounds D drag

ScholarsArchive@OSU

Assessing steel bevel gear design alternatives for sustainability performance through unit manufacturing process modeling

Pre-Prototyping Framework: An Early Design Prototyping Methodology for Human-Centered Products and Workplaces

Integrated Evaluation of Drinking Water Purification: A Mixed-Method Laboratory and Field Assessment of a Biomass-Powered Water Treatment Technology

Discrete-time explicit model reference adaptive control for robotic manipulators

Theoretical modeling and experimental analysis of the flight mechanics of Lepidoptera

Simulation of Steady Flight of Butterflies and Improvement of Parameter Optimization

Design of robust infrastructure systems incorporating user behavior

Ontologies to Support Repeatable and Valid Customer Requirements Generation

Aircraft wing optimization using B-spline models and panel methods

Design of a helicopter with a jet-propelled rotor

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