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Applications of nonautonomous infinite-dimensional systems control theory for parabolic PDEs
DownloadFall 2013
Parabolic partial differential equations (PDEs) are used as models of transport-reaction phenomena in a variety of different industrial chemical and materials engineering processes, and can yield precise descriptions of process variables with complex temporal and spatially dependent system...
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Spring 2024
The variogram characterizes the spatial variability of a regionalized variable. Variogram calculation and modeling require a significant amount of professional time. The variogram has a significant impact on estimation and simulation, and it has a considerable impact in the mining industry since...
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Spring 2014
Consider an open control volume consisting of a porous medium submerged in a surrounding ambient fluid of density ρa. The top and bottom of the control volume allow ambient fluid to enter the porous medium. Saline fluid of density ρs>ρa is supplied at a constant rate of Qo near the top of the...
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Characterization and Control of Cyclic Variability in a Gasoline/Natural Gas Dual-Injection Spark Ignition Engine
DownloadSpring 2016
Reducing the cyclic variability of a gasoline/natural gas dual injection spark ignition engine using minimum variance control is the subject of this thesis. Cylinder pressure is used to calculate four combustion metrics, the standard deviation of which is used as an indicator of cyclic...
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Characterization of late-diagenetic calcites of the Devonian Southesk-Cairn Carbonate Complex (Alberta Basin): constraints from petrography, stable and radiogenic isotopes, fluid inclusion and organic matter maturity data
DownloadSpring 2010
The Alberta Basin has been the subject of various diagenetic studies but the precise understanding of the processes behind deep burial cementation remains unclear. This study investigates late-diagenetic calcites from the Devonian Southesk-Cairn Carbonate Complex with the purpose of constraining...
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Children’s and Fathers’ Perceptions of Fathers’ Use of Structure, Negative Control, and Autonomy Support
DownloadSpring 2017
The current study investigated fathers’ and children’s perspectives of fathers’ use of structure, negative control, and autonomy support parenting behaviours in relation to children’s internalizing, externalizing, and adaptive behaviours, and father-child attachment. Researchers interviewed 55...
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Spring 2016
Thunderstorms have the potential to produce severe weather and can result in significant financial and human losses. The province of Alberta is one of Canada’s most active thunderstorm regions, with the record for insured damage due to hail. Therefore, it is crucial that thunderstorm forecasts be...
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Spring 2016
Enterohaemorrhagic Escherichia coli (EHEC) is a pathogen that causes severe disease in humans and has a low infectious dose. Since foodborne EHEC outbreaks continue to be a problem worldwide, improved control and detection methods for EHEC on at-risk foods, such as spinach and beef, are...
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Fall 2009
Sheet and film forming processes refer to a set of processes that have a 2-dimensional sheet or film as their output. They are typically characterized by a scanning sensor which moves between the edges of the sheet in a periodic manner. This work is concerned with control and monitoring of such...
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Spring 2016
Cardiovascular disease causes the greatest number of deaths worldwide each year according to the World Health Organization [1]. Hence, many patients require cardiovascular surgery each year. Short of stopping the motion of the heart at the beginning of a cardiac procedure, the surgeon would...