Index Catalog // ScholarsArchive@OSU

Predictive control using feedback- : a case study of an inverted pendulum

Creator:: Barrett, Spencer Brown
Abstract:: Vision is a flexible, non-contact sensor that can be used for position feedback in closed-loop control of dynamic systems. Current vision systems for industrial automation provide low sample rates and large sample delays relative to other types of position sensors. Poor sample rates and sample delays are a result of...
Resource Type:: Masters Thesis
Full Text:: inverted pendulum AN ABSTRACT OF THE THESIS OF Spencer Brown Barrett for the degree of Master of Science

The effect of cultivar maturity and frozen storage time on the cell wall polysaccharide composition of muskmelon(Cucumis melo)

Creator:: Simandjuntak, Valencius
Abstract:: The effect of frozen storage time on the composition of the cell wall polysaccharide (CWP) of muskmelon (Cucumis melo) cultivars at different stages of maturity was investigated. Changes in composition, firmness, drip loss, and color of Cantaloupe and Honey Dew melon flesh were determined at three stages of maturity and...
Resource Type:: Masters Thesis
Full Text:: - melon (Cucumis melo) Abstract approved: Diane M. Barrett The effect of frozen storage time on the

Numerical simulation of mechanically stabilized earth walls for parametric evaluation of behavior under surcharge loading

Creator:: Ambauen, Spencer J.
Abstract:: A numerical model, simulating the complex behavior of reinforced soil walls using the finite element method, was developed to evaluate the behavior of a surcharged, geosynthetic-reinforced retaining wall with modular block facing. A nonlinear elastic-plastic constitutive soil material model was calibrated to experimental plane strain test data, while the performance...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Spencer J. Ambauen for the degree of Master of Science in Civil Engineering

Juvenile survival and birth-site selection of Rocky Mountain elk in northeastern Oregon

Creator:: Rearden, Spencer N.
Abstract:: With declining populations and low calf recruitment in northeastern Oregon, much interest has been generated to study the survival rates and causes of mortality of Rocky Mountain elk (Cervus elaphus nelsoni). I investigated the causes of elk calf mortality and the effects of predation risk on birth-site selection by cow...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Spencer N. Rearden for the degree

Development of self-registration features for the assembly of a microchannel hemodialyser

Creator:: Porter, Spencer D.
Abstract:: More than 1.2 million people worldwide require regular hemodialysis therapy to treat end stage renal failure. In the United States alone, there are 300,000 patients and the National Kidney Foundation predicts that this number will double in the next 10 years. Currently most dialysis patients receive treatment at a dialysis...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Spencer D. Porter

Behavioral and physiological indicators of stress in sablefish, Anoplopoma fimbria

Creator:: Spencer, Mara L.
Abstract:: The development of assays for stress in marine fishes is vital for studying the impacts of bycatch in fisheries and for determining the health of fish being cultured or used in research. This research developed behavioral and physiological assays for stress in juvenile sablefish, Anoplopoma fimbria, a species that comprises...
Resource Type:: Masters Thesis
Full Text:: , Anoplopoma fimbria AN ABSTRACT OF THE THESIS OF Mara L. Spencer for the degree of Master of Science in

Civil engineering students' and practicing civil engineers' understanding of engineering concepts

Creator:: Urlacher, Mark A.
Abstract:: The purpose of this thesis is to explore civil engineering students’ and professional civil engineers' understanding of concepts within statics and fluid mechanics. The studies described herein begin to examine theories of situated cognition utilizing concept inventories, which are sets of multiple-choice questions where the incorrect answers are based on...
Resource Type:: Masters Thesis
Full Text:: approved: Shane A. Brown The purpose of this thesis is to explore civil engineering students’ and

Steller sea lions (Eumetopias jubatus) of Oregon and Northern California: seasonal haulout abundance patterns, movements of marked juveniles, and effects of hot-iron branding on apparent survival of pups at Rogue Reef

Creator:: Scordino, Jonathan
Abstract:: The Steller Sea Lion Research Initiative was passed in 2001 to provide funding to help scientists determine causes and solutions for the population crash of Steller sea lions (Eumetopias jubatus). In response to need to understand population dynamics of Steller sea lions, NOAA Fisheries has spearheaded a large-scale, range-wide research...
Resource Type:: Masters Thesis
Full Text:: . George Reef, Robert Delong and Robin Brown coordinated field efforts. In 2005, plans for sea lion

Tool of Engagement Measurement to Propel Academic Success of Students

Creator:: Bird, Justine C.
Abstract:: Student engagement is key for learning in the classroom, and different levels of engagement have led to greater learning. The ICAP framework distinguishes these different levels of engagement by different overt behaviors, but little is known about how to measure different forms of engagement in the classroom. This article will...
Resource Type:: Masters Thesis
Full Text:: : ____________________________________________________________ Shane A. Brown Student engagement is key for learning in the classroom, and different levels

Converting forest biomass to energy in Oregon : stakeholder perspectives on a growing movement

Creator:: Stidham, Melanie
Abstract:: Within Oregon there is considerable interest in the possibility of converting woody biomass to energy. This interest stems from three converging factors: the desire to reduce the threat of uncharacteristic wildfire by removing excess material from the forests, the possibility to stimulate rural economies that are dependent on forest products,...
Resource Type:: Masters Thesis
Full Text:: -Brown Within Oregon there is considerable interest in the possibility of converting woody biomass

ScholarsArchive@OSU

Predictive control using feedback- : a case study of an inverted pendulum

The effect of cultivar maturity and frozen storage time on the cell wall polysaccharide composition of muskmelon(Cucumis melo)

Numerical simulation of mechanically stabilized earth walls for parametric evaluation of behavior under surcharge loading

Juvenile survival and birth-site selection of Rocky Mountain elk in northeastern Oregon

Development of self-registration features for the assembly of a microchannel hemodialyser

Behavioral and physiological indicators of stress in sablefish, Anoplopoma fimbria

Civil engineering students' and practicing civil engineers' understanding of engineering concepts

Steller sea lions (Eumetopias jubatus) of Oregon and Northern California: seasonal haulout abundance patterns, movements of marked juveniles, and effects of hot-iron branding on apparent survival of pups at Rogue Reef

Tool of Engagement Measurement to Propel Academic Success of Students

Converting forest biomass to energy in Oregon : stakeholder perspectives on a growing movement

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