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 198 for “"Modeling and Control"”.
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Modeling and control of nonlinear systems
… are studied. The first problem concerns the control of nonlinear systems. A model-based control method for nonlinear systems is presented and a number of problems related to its applicability are explored. An application of the method to a system undergoing a catastrophe is briefly described. …
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Modeling and control of Maglev vehicles
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1993.
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Modeling and control of combustion instability
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.
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Modeling and control of flexible structures
… is concerned with some topics in the modeling and control of large flexible structures. In the finite element convergence toward the natural modes and frequencies of a structure, it is found that two mechanisms limiting the accuracy of higher modes are, first, a decrease in the number …
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Interference Modeling And Control In Wireless Networks
… the successful commercialization of IEEE802.11 standard, wireless networks have become a tight-knit of our daily life. As wireless networks are increasingly applied to real- time and mission-critical tasks, how to ensuring real-time, reliable data delivery emerges as an important problem. However, …
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Modeling and control of friction stir welding
… its applicability to different materials and high joint efficiencies. This apparently simple technique is affected by a number of different factors, such as process parameters, tool design, material properties and boundary conditions. Therefore, a good understanding of issues related to …
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Performance modeling and control of web servers
This thesis deals with the task of modeling a web server and designing a mechanism that can prevent the web server from being overloaded. Four papers are presented. The first paper gives an M/G/1/K processor sharing model of a single web server. The model is validated against measurements ands …
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Modeling and Control of Plate Mill Processes
In this thesis two processes have been modeled and controlled, namely the plate thickness control and the slab temperature control. The classical solution for the thickness control problem can't handle asymmetric hardness variations and the estimation of the controlled output introduces stability …
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Modeling and Control of Overloaded Transmission Networks
This thesis presents methods for the on-line control and off-line study of power systems and other large-scale networks which are operated in an emergency state characterized by branch overloads. The control objective is to return the network to a normal operating state, that is, to return the …
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Modeling and control of a robot manipulator
… work completed on the design of the modelling and path planning components for a robot manipulator mounted on a mobile platform. This platform is for use in the mining safety inspections of the mine roof, i.e., the hanging wall. Currently this process is done by mine workers and it places them …
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Resonant converters : topologies, dynamic modeling and control
… of Technology, Dept. of Electrical Engineering and Computer Science, 1987.
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Modeling and Control of Modular Multilevel Converter
Due to modularity and easy scalability, modular multilevel converters (MMCs) are deemed the most suitable for high-voltage and medium-voltage power conversion applications. However, large module capacitors are usually required in MMCs to store large circulating power of line-frequency and its …
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Modeling and Control of SPIDER Satellite Components
… satellite bus size translates into significant bandwidth improvement for both radar and optical applications. However, from a structural standpoint, these two goals are in direct conflict with one another, as large, flexible structures possess terrible dynamic properties and minimal effective …
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Modeling and Control of Flapping Wing Robots
… or MAVs, have gained attention of the aerospace and robotics communities. Many researchers have begun investigating aircraft schemes such as ones which use rotary or flapping wings for propulsion. While the engineering of rotary wing aircraft has seen significant advancement, the complex physics …
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Modeling and Control of Tensegrity-Membrane Systems
… treated as extensions of tensegrity structures and are generally lightweight and deployable. These two major advantages enable tensegrity-membrane systems to become one of the most promising candidates for lightweight space structures and gossamer spacecraft. In this dissertation, modeling and …
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Modeling and Control of Gas Turbine Thermoacoustic Pulsations
Diese Arbeit befasst sich mit der Analyse thermoakustischer Instabilitäten in Gasturbinen-Brennkammern. Passive Methoden wurden entwickelt, um die durch die Instabilitäten entstehenden Druckschwankungen zu unterdrücken. Zunächst wurden unter der Annahme kleiner Mach-Zahlen die thermoakustischen …
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Modeling and control of wastegate equipped turbocharged engines
A method of modeling, simulating (transient), and designing controllers for turbocharged engine systems is presented. The method is specific to spark ignition (SI) engines equipped with pneumatic, spring diaphragm, wastegate actuators, with solenoid valve active boost control. The method revolves …
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Modeling And Control of Variable Speed Wind Turbines
… one since it is cheaper, more efficient and has more of control capabilities over the produced active and reactive power. This thesis is prepared in order to contribute to the better understanding of the variable speed wind turbine operation and its modeling as well as control concepts …
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Modeling and Control of the Open Plate Reactor
The focus of this thesis is on modeling and control of the Open Plate Reactor (OPR), a new heat exchange reactor being developed by Alfa Laval AB. It combines intensified mixing with enhanced heat transfer capacity into one operation. With the novel concept, highly exothermic reactions can be …
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