Index Catalog // ScholarsArchive@OSU

Adaptive methods for robust commercial vehicle control

Creator:: Junell, Jaime L.
Abstract:: This thesis explores the implementation of learning based control with predictive cruise control and the potential this technology has for increasing fuel efficiency while keeping on a well maintained schedule for commercial trucks. Traditional cruise control is wasteful when maintaining a constant velocity over rolling hills. Predictive cruise control is...
Resource Type:: Masters Thesis

Uniform residence time in microreactor-assisted solution deposition of CdS thin-films for CIGS photovoltaic cells

Creator:: Hires, Clayton Lamar
Abstract:: Photovoltaic (PV) cells have long been an attractive alternative for the consumption of fossil fuels but current manufacturing practices suffer from poor energy efficiency, large carbon footprints, low material utilization, high processing temperatures and high solvent usage. A critical step in PV production is the deposition of CdS as a...
Resource Type:: Masters Thesis
Full Text:: , Yu Wei Su (Wayne) for their persistent work, long hours, and support throughout the years. A

Machining and toxicological performance of a zinc oxide metalworking nanofluid

Creator:: Sahakian, Misha
Abstract:: Lower production costs are a common goal of many manufacturers as part of their continuous improvement strategies. A large portion of production costs for manufacturers is the machining of metals to form components. Metal machining is accompanied by friction and heat which is dealt with using metalworking fluids such as...
Resource Type:: Masters Thesis

The geometric characterization and thermal performance of a microchannel heat exchanger for diesel engine waste heat recovery

Creator:: Yih, James S.
Abstract:: Rising energy demands and the continual push to find more energy efficient technologies have been the impetus for the investigation of waste heat recovery techniques. Diesel engine exhaust heat utilization has the potential to significantly reduce the consumption of fossil fuels and reduce the release of greenhouse gases, because diesel...
Resource Type:: Masters Thesis

Nanoparticle-assisted diffusion brazing of metal microchannel arrays : nanoparticle synthesis, deposition, and characterization

Creator:: Eluri, Ravindranadh T.
Abstract:: Microchannel process technology (MPT) offers several advantages to the field of nanomanufacturing: 1) improved process control over very short time intervals owing to shorter diffusional distances; and 2) reduced reactor size due to high surface area to volume ratios and enhanced heat and mass transfer. The objective of this thesis...
Resource Type:: Dissertation

Materials and process design for powder injection molding of silicon nitride for the fabrication of engine components

Creator:: Lenz, Juergen H. (Juergen Herbert)
Abstract:: A new material system was developed for fabricating the combustion engine of an unmanned aerial vehicle. The material system consisted of a mixture of nanoscale and microscale particles of silicon nitride. Magnesia and yttria were used as sintering additives. The powders were mixed with a paraﬃn binder system. The binder-powder...
Resource Type:: Masters Thesis

Optimizing ballast design of wave energy converters using evolutionary algorithms

Creator:: Colby, Mitchell
Abstract:: Wave Energy Converters (WECs) promise to be a viable alternative to current electrical generation methods. However, these WECs must become more efficient before wide-scale industrial use can become cost-effective. The efficiency of a WEC is primarily dependent upon its geometry and ballast configuration which are both difficult to evaluate, due...
Resource Type:: Masters Thesis
Full Text:: , x1,a, x2,a, z1,a, z2,a, z1,s, z2,s, z3,s, z4,s, z5,s, z6,s, z7,s, z8,su (5.1) The goal of the

Coevolution and transfer learning in a point-to-point fleet coordination problem

Creator:: Yliniemi, Logan Michael
Abstract:: In this work we present a multiagent Fleet Coordination Problem (FCP). In this formulation, agents seek to minimize the fuel consumed to complete all deliveries while maintaining acceptable on-time delivery performance. Individual vehicles must both (i) bid on the rights to deliver a load of goods from origin to destination...
Resource Type:: Masters Thesis
Full Text:: accomodate the additional complexity. Stochastic search methods and metaheuristics su↵er from similar

Enabling safety-informed design decision making through simulation, reasoning and analysis

Creator:: Jensen, David Charles
Abstract:: While many organizations claim to "put safety first," safety is rarely considered early in the design process when system-level architectural decisions are made. Instead, system design follows an abstraction-to-detail process to first meet functional and then performance requirements. Following this process, safety assurance occurs in the later stages of design...
Resource Type:: Dissertation

Modeling, control, and estimation of flexible, aerodynamic structures

Creator:: Ray, Cody W.
Abstract:: Engineers have long been inspired by nature's flyers. Such animals navigate complex environments gracefully and efficiently by using a variety of evolutionary adaptations for high-performance flight. Biologists have discovered a variety of sensory adaptations that provide flow state feedback and allow flying animals to feel their way through flight. A...
Resource Type:: Dissertation

ScholarsArchive@OSU

Adaptive methods for robust commercial vehicle control

Uniform residence time in microreactor-assisted solution deposition of CdS thin-films for CIGS photovoltaic cells

Machining and toxicological performance of a zinc oxide metalworking nanofluid

The geometric characterization and thermal performance of a microchannel heat exchanger for diesel engine waste heat recovery

Nanoparticle-assisted diffusion brazing of metal microchannel arrays : nanoparticle synthesis, deposition, and characterization

Materials and process design for powder injection molding of silicon nitride for the fabrication of engine components

Optimizing ballast design of wave energy converters using evolutionary algorithms

Coevolution and transfer learning in a point-to-point fleet coordination problem

Enabling safety-informed design decision making through simulation, reasoning and analysis

Modeling, control, and estimation of flexible, aerodynamic structures

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