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 865 for “"motors"”.
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Creación de empresa "Safe Motors"
… aseguramiento de mantenimiento vehicular “Safe Motors”. En este sentido, a través de la experiencia de un integrante en el sector Automotriz y el interés de ocupar de manera eficaz este mercado que produce más de 160.000 millones de pesos al año (Dane, 2021), con grandes oportunidades de …
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Bidirectional transport by molecular motors
… intracellular traffic is powered by molecular motors which transport various cargos along microtubule filaments. The microtubules possess an intrinsic direction, having a 'plus' and a 'minus' end. Some molecular motors such as cytoplasmic dynein walk to the minus end, while others such as …
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Ratchet models of molecular motors
… Um darüber hinaus die Geschwindigkeit des Motors in Abhängigkeit von seinem Treibstoff ATP angeben zu können, betrachten wir mögliche Reaktionskinetiken, die den Zusammenhang zwischen den unbalancierten Übergangsraten und der ATP-Konzentration bestimmen. Je nach Typ der Reaktionskinetik und …
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The Dupont-General Motors Case
Made available in DSpace on 2014-12-09T19:31:43Z (GMT). No. of bitstreams: 1 6406178.pdf: 46811049 bytes, checksum: 808b296b2026b6b2eb561085a48a67af (MD5) Previous issue date: 1963
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Direct Power Control of AC Motors
… of direct power control (DPC) of induction motors (IMs) and permanent magnet synchronous motors (PMSMs) fed by a voltage source inverter have been studied. Three different approaches of DPC for IMs and one for PMSMs are proposed and investigated. They are: (a) direct output power and flux …
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Induction Motors With Rotor Helical Motion
… Duncan to consider dynamic end effects in linear motors. The results obtained from FEM modeling and equivalent circuit model are partially verified by test carried out on experimental model of the motor to validate the theoretical modeling of the motor. FEM performance analysis of the linear …
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Induction motors with modulated terminal voltage
… the frequency and voltage control of induction motors as variable speed drives. The availability of these methods raises questions regarding their effect on the performance of the motor and the generation of harmonic currents in the electrical supply. After the initial use of numerical …
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Globally dispersed teams at General Motors
… of teams operating globally within General Motors. This thesis builds upon this research and expands on the effect and interplay of the many different variables present in all collaborative efforts. Special emphasis has been placed in understanding team dynamics for globally dispersed teams. …
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The Direct Torque Control of Induction Motors
… methods of three phase, cage rotor induction motors with particular emphasis being given to vector control and direct torque control techniques. Modern control strategies such as vector control and direct torque control are investigated as well as the conventional methods such as open loop …
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Partial discharge measurements in high voltage motors.
The work presented in this thesis is concerned with the development of an on-line technique for detecting and locating partial discharges in the stator winding of a high voltage electrical machine. This technique forms part of an on-line health monitoring strategy for the insulation of high voltage …
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Towards Synthetic Molecular Motors Interfaced by AFM
… work, which is a prerequisite for molecular motors. Three different types of molecules and various external energy inputs were investigated which led to the realization of a light driven synthetic mo le cular machine: - Polyelectrolytes should, by OSF-theory, change their persistence length …
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Gasolene railway section cars and their motors
Made available in DSpace on 2016-11-09T23:47:48Z (GMT). No. of bitstreams: 2 5978806_opt.pdf: 79827216 bytes, checksum: 6cdab0cdbf16814bcb5938b8b9ca1316 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1912
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Studying Processive Molecular Motors Inside Live Cells
Processive molecular motors are the proteins that transport various kinds of cargos within a cell. All processive motors have two motor domains that let the protein proceed by taking steps. These motor proteins can carry their cargos for microns by taking hundreds of steps before detaching form the …
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Condition Monitoring of VSD-fed Induction Motors
… industry – constituting around 90% of all the motors in the industry [3], [4]. Its admired features include relatively low cost, high efficiency, robustness, and ease of maintenance [5], [6]. These motors are of two types, the wound-rotor and the squirrel cage [1], [5], with the three-phase …
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The commercial efficiency of small electric motors
Thesis: B.S., Massachusetts Institute of Technology, Department of Electrical Engineering, 1891
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A study of permanent-magnet torque motors
Thesis (M.S.) Massachusetts Institute of Technology. Dept. of Mechanical Engineering, 1953.
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Studies in thyratron control of induction motors
Thesis (M.S.) Massachusetts Institute of Technology. Dept. of Electrical Engineering, 1946.
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