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Skip to Search Results- 1Abdollahi, Javad
- 1Alavi Shoushtari, Navid
- 1Deshpande, Dipen
- 1Hazim, Azzam
- 1Khatibi, Seyedhamidreza
- 1Ng, James C
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Annihilation of cardiac alternans by electric and mechano-electric feedback (MEF) in a cardiac tissue
DownloadFall 2011
Alternans occur prior to ventricular fibrillation and is a medical condition of heart that leads to sudden cardiac death (SCD). The presence of the electrical alternans induces, through the mechanism of the excitation-contraction coupling, an alternation in the heart muscle contractile activity....
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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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Effects of mechano-electrical feedback on cardiac dynamics: Pro- and anti-arrhythmic effects during alternans
DownloadSpring 2020
Contraction of the heart has been shown to affect the propagation of action potential (AP). In fact, the electrical waves of the heart propagate through the cardiac tissue and initiate its contraction via excitation-contraction coupling (ECC) while contraction of the heart causes deformations in...
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Model Predictive Control of Non-Isothermal Dispersive Chemical Tubular Reactors with Recycle Flow
DownloadFall 2020
Tubular reactors have widespread applications in petrochemical, biochemical and pharmaceutical unit operations. The design of a control law, which accounts for stabilization of the concentration and the temperature of the chemical component during the reaction in an isothermal/non-isothermal...
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Fall 2016
This work is focused on two control methods for first order hyperbolic partial differential equations (PDE). The first method investigated is output regulation by employing the internal model control (IMC) principle where the controller generates the internal dynamic of the exosystem in order to...
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Fall 2014
The presence of alternans, which is a persistent alternation in the cardiac action potential duration, has been linked to the onset of ventricular arrhythmia, which may lead to sudden cardiac death. In this thesis, we examine the problem of alternans annihilation in a 1D cable of cardiac cells...
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Fall 2014
There are varieties of time-varying processes in chemical engineering industrial applications. These processes are abundant among lumped and distributed parameter systems and in batch systems they involve time-dependent change of parameters and/or geometry within lumped and/or distributed...
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Spring 2014
Froth flotation is one of the most common methods in the mineral industry for selective extraction of a small fraction of desired mineral from a finely mixed ground ore. This work explores the development of a fundamental dynamic model for froth flotation with parameters of the model being...