Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 132 for “"system control"”.
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Adaptive power system control
This work presents a centralized control scheme applied to a power system. The scheme has adaptive characteristics which allow the controller to keep track of the changing power system operating point and to control nonlinear functions of state variables. Feedback to the controller is obtained from …
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Steam and Condensate System Control in Paper Making
… model. This class of models is adequate for controller tuning but does not state anything about the physical laws behind the dynamic behavior. A linear second-order grey-box model has also been derived, based on first principles and a few fitting parameters that have physical interpretations. …
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Power System Control with Distributed Flexible AC Transmission System Devices
Distributed flexible AC transmission system (D-FACTS) devices offer many potential benefits to power systems. This work examines the impact of installing D-FACTS devices by studying the sensitivities of power system quantities such as voltage magnitude, voltage angle, bus power injections, line …
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Development of a System Control Algorithm for Smart Residential Demand-Side Management
… models there is need for home energy management systems that can implement demand-side management. By dynamically responding to the fluctuating cost of energy, such a system could reduce the peak grid demand automatically by using stored energy when it is most valuable, saving money for both the …
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QUANTITATIVE SAFETY ASSESSMENT OF AIR TRAFFIC CONTROL SYSTEMS THROUGH SYSTEM CONTROL CAPACITY
… of developmental changes in safety critical systems like the Air Traffic Control (ATC) systems. Effectiveness of the assessments is particularly desirable today in the safe implementations of revolutionary ATC overhauls like NextGen and SESAR. QSA of ATC systems are however challenged by …
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Power system control for large-disturbance stability : security, robustness and transient energy
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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PV-powered membrane system control for continuous autonomous water solution in remote areas
… of photovoltaic-membrane (PV-membrane) systems used for water purification. These fluctuations lead to reduced permeate volume and quality, as well as increased specific energy consumption. The primary aim of this research is to incorporate mechanical energy storage and develop a …
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Methods of Handling Missing Data in One Shot Response Based Power System Control
… event prediction and response based one shot control using decision trees trained and tested in a 176 bus model of WECC power system network. This thesis contains results from rigorous simulations performed to measure robustness of the existing one shot control subjected to missing PMU's data …
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Model order reduction of linear dynamic systems with application to power system control
… approach for approximating linear time-invariant system models of high order by simplified models of low order is developed. The problem of approximating systems having no unstable modes is investigated first. An iterative scheme for minimizing a quadratic fractional of the error between the …
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Exploring and Evaluating Task Sequences for System Control Interfaces in Immersive Virtual Environments
System control—the issuing of commands—is a critical, but largely unexplored task in 3D user interfaces (3DUIs) for immersive virtual environments (IVEs). System control techniques are normally encompassed by complex interfaces that define how these interaction techniques fit together, which we …
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Combining real-time data and nominal models for machine learning in robotic system control
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
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CENTRAL NERVOUS SYSTEM CONTROL OF MICTURITION IN RODENTS THROUGH NEUROPROTECTION AND ENDOCANNABINOIDS - DOPAMINERGIC AND CANNABINOID CONTRIBUTION
… involving the central and peripheral nervous system controlling the bladder and urethra. A better understanding of the underlying contribution of the dopaminergic and cannabinoid systems to the control of micturition could help direct therapeutic modalities for related voiding dysfunction.
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Don't Take My Kodachrome Away! Eastman Kodak and the Loss of System Control in the Digital Era
… famously created the conventional photographic system, making the technology widely available to a mass market. Using the systems approach, I show how the Eastman Kodak Company consolidated critical photographic technologies through acquisition and research in the beginning of the twentieth …
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Emulation framework for testing higher level control methodology
… mechanical plant and equipment, but not the control logic required to drive it. This thesis investigates the utility of providing a computer representation of the functional elements to be controlled by system control programs. These representations or "emulators" mimic the behavior of the …
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Optimal Movement Patterns of the Lower Extremity in Running
In order to search for the optimal control necessary to minimize energy expenditure in running, there needs to be conducted a comprehensive dynamic analysis and the application of optimal system control theory. The procedures of this research comprised of two main parts, theoretical and …
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Design and analysis of high-speed continuous micro-contact printing
… printing technique from mechanical design to system control to final experiment result analysis, with a concentration in system control. We were also able to keep the distortions to as low as 28 microns over an area of 5.8"x5" and maintain dimensional distribution within 1 micron. A …
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