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Rozprawy doktorskie na temat „Transmission Devices”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

DEMENICIS, LUCIENE DA SILVA. "TRANSMISSION LINE TRANSFORMER FOR HIGHSPEED OPTOELECTRONIC DEVICES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2004. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5576@1.

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ERICSSON DO BRASIL<br>A utilização de transformadores de impedância banda larga possibilita o acoplamento de forma eficiente das linhas convencionais de 50 (ômegas) dos sistemas de alta freqüência aos componentes optoeletrônicos de alta velocidade de baixa impedância, tais como lasers semicondutores (tipicamente com 3 a 5 (ômegas) de resistência de entrada). Uma das principais restrições para a realização de um transformador de impedância planar para uso em sistemas de comunicações ópticas é a sua dimensão física. A fim de se obter um transformador de impedância compacto, de dimensões

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Daniel, Isaac H. "Stitched transmission lines for wearable RF devices." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/25581.

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With the rapid growth and use of wearable devices over the last decade, the advantages of using portable wearable devices are now been utilised for day to day activities. These wearable devices are designed to be flexible, low profile, light-weight and smoothly integrated into daily life. Wearable transmission lines are required to transport RF signals between various pieces of wearable communication equipment and to connect fabric based antennas to transmitters and receivers; the stitched transmission line is one of the hardware solutions developed to enhance the connectivity between these we

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Athanasiadis, Nikolaos P. "Modelling, control and design of Flexible AC Transmission Systems (FACTS), custom power devices and variable speed drives for transmission and distribution architectures." Thesis, University of Strathclyde, 1999. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21441.

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The main tasks of power electronics in power transmission and distribution systems is to process and control the flow of electric energy by supplying voltages and currents in a form that is suitable for user loads. In recent years, the field of power electronics has experienced a large growth. Electric utilities expected that by the year 2000 over half of the electrical load may be supplied through power electronic systems. In order to take advantage of this highly developed technology a number of detailed modelling procedures and simulation facilities are needed. The work in this thesis is co

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Strobel, Julian [Verfasser]. "Transmission Electron Microscopy on Memristive Devices / Julian Strobel." Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1185485244/34.

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5

Heng, Stephen Fook-Geow. "Experimental and theoretical thermal analysis of microelectronic devices." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/16694.

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6

Zeraatzade, Mahbube. "Transmission congestion management by optimal placement of FACTS devices." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/4710.

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This thesis describes the implementation of the Flexible AC Transmission Systems (FACTS) devices to develop a market-based approach to the problem of transmission congestion management in a Balancing Market. The causes, remedies and pricing methods of transmission congestion are briefly reviewed. Balancing Market exists in markets in which most of the trading is done via decentralized bilateral contracts. In these markets only final adjustments necessary to ensure secure system operation is carried out at a centralized Balancing Market. Each market player can participate in the Balancing Marke

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7

Osuagwu, Ikenna. "Improving multimedia transmission through enhanced multimedia devices / Ikenna Osuagwu." Thesis, North-West University, 2008. http://hdl.handle.net/10394/4101.

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Multimedia transmission is the effective way of transmitting multimedia elements (comprising voice, audio, video, data etc) from one place to the other via internet enabled protocols and other means. The term 'effective' is used because multimedia transmission is a nightmare if the conveyance is not smooth, seamless and efficient. Over time, the world has seen tremendous improvement that started from the era of the first generation of multimedia generation to the point of multimedia transmission. Much has been said and done in this area and the world has become a connected enterprise because o

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8

Liu, Zhenyu. "Advanced transmission electron microscopy of GaN-based materials and devices." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609893.

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Xiao, Shuo Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Transmission power control in body-wearable sensor devices for healthcare monitoring." Publisher:University of New South Wales. Electrical Engineering & Telecommunications, 2008. http://handle.unsw.edu.au/1959.4/41104.

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Emerging body-wearable sensor devices for continuous health monitoring are severely energy constrained and yet required to offer high communication reliability under fluctuating channel conditions. This thesis aims at investigating the opportunities and challenges in the use of dynamic radio transmit power control for prolonging the lifetime of such devices. We first present extensive empirical evidence that the wireless link quality can change rapidly in body area networks, and a fixed transmit power results in either wasted energy (when the link is good) or low reliability (when the link is

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10

Kiani, Mehdi. "Wireless power and data transmission to high-performance implantable medical devices." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53396.

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Novel techniques for high-performance wireless power transmission and data interfacing with implantable medical devices (IMDs) were proposed. Several system- and circuit-level techniques were developed towards the design of a novel wireless data and power transmission link for a multi-channel inductively-powered wireless implantable neural-recording and stimulation system. Such wireless data and power transmission techniques have promising prospects for use in IMDs such as biosensors and neural recording/stimulation devices, neural interfacing experiments in enriched environments, radio-freque

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11

Almousa, Shaikhah F. "Extraordinary Optical Transmission in Aligned Carbon Nanotube Devices at Terahertz Frequencies." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1493566948712806.

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12

Katakam, Sri. "Design of Multi Band Microwave Devices Using Coupled Line Transmission Lines." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc801903/.

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Multi band technology helps in getting multiple operating frequencies using a single microwave device. This thesis presents the design of dual and tri band microwave devices using coupled transmission line structures. Chapter 2 presents the design of a novel dual band transmission line structure using coupled lines. In chapter 3, Design of a dual band branch line coupler and a dual band Wilkinson power divider are proposed using the novel dual band transmission line structure presented in the previous chapter. In chapter 4, Design of a tri band transmission line structure by extending the dual

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13

Kurukitkoson, Nayot. "Numerical modelling of devices and advanced transmission schemes embracing Raman effect." Thesis, Aston University, 2004. http://publications.aston.ac.uk/8002/.

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This thesis presents a theoretical investigation on applications of Raman effect in optical fibre communication as well as the design and optimisation of various Raman based devices and transmission schemes. The techniques used are mainly based on numerical modelling. The results presented in this thesis are divided into three main parts. First, novel designs of Raman fibre lasers (RFLs) based on Phosphosilicate core fibre are analysed and optimised for efficiency by using a discrete power balance model. The designs include a two stage RFL based on Phosphosilicate core fibre for telecommunicat

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14

Mirbozorgi, Seyed Abdollah. "High-performance wireless power and data transfer interface for implantable medical devices." Doctoral thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/26209.

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D’importants progès ont été réalisés dans le développement des systèmes biomédicaux implantables grâce aux dernières avancées de la microélectronique et des technologies sans fil. Néanmoins, ces appareils restent difficiles à commercialier. Cette situation est due particulièrement à un manque de stratégies de design capable supporter les fonctionnalités exigées, aux limites de miniaturisation, ainsi qu’au manque d’interface sans fil à haut débit fiable et faible puissance capable de connecter les implants et les périphériques externes. Le nombre de sites de stimulation et/ou d’électrodes d’enr

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15

Zhou, Ning. "Active control of sound transmission through plates in a reverberant environment." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-01312009-063616/.

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Wang, Jian-nong. "Cathodoluminescence and transmission electron microscopy characterization of GaAs/A1GaAs and InGaAS/InP quantum well structures." Thesis, University of Bristol, 1990. http://hdl.handle.net/1983/e0aed7f4-7c99-438c-a690-c20931a44618.

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17

Xuan, Qing-Yun. "Adaptive protection and control systems for controllable series compensated EHV transmission using neural networks." Thesis, Liverpool John Moores University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337860.

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18

O'Brien, Kathleen. "Inductively coupled radio frequency power transmission system for wireless systems and devices /." Aachen : Shaker, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015959229&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Smith, Mark Allen. "Improved dynamic stability using FACTS devices with phasor measurement feedback /." This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-05022009-040702/.

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20

Smith, Mark Alan. "Improved dynamic stability using FACTS devices with phasor measurement feedback." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42417.

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With an increasing number of regulatory and economic factors making the operation of power systems more challenging, utilities must take full advantage of technological advances which allow more flexibility for operation. One of these advances is the combination of power electronic controllers and compensation devices known as F1exible AC Transmission Systems (FACTS) technology. This thesis will examine the ability of FACTS technology to improve dynamic stability when controlled with data obtained from another recent advancement, phasor measurement units (PMUs). Based on an overview of

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21

Whitehurst, Jeremy. "Transmission electron microscope structural studies of Si, SiGe and SiC materials and devices." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305452.

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22

Li, Peng. "New types of voltage source converters applied in flexible AC transmission system devices." Thesis, University of Strathclyde, 2015. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=25774.

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The uses of flexible alternating current transmission system (FACTS) controllers in next generation smart grids are encouraged by the increased uses of decentralized and highly meshed grid structures that may affect the stability of power systems. Voltage source converter (VSC) based FACTS devices have reduced footprint and offer increased control flexibility, extended range and faster reaction time than line commutated thyristor based equivalent solutions. The performance of commonly used FACTS devices that employ a two-level converter is summarized. Then, multilevel converters and direct AC-

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23

Ramaboli, Allen Lehopotseng. "Concurrent multipath transmission to improve performance for multi-homed devices in heterogeneous networks." Doctoral thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20404.

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Recent network technology developments have led to the emergence of a variety of access network technologies - such as IEEE 802.11, wireless local area network (WLAN), IEEE 802.16, Worldwide Interoperability for Microwave Access (WIMAX) and Long Term Evolution (LTE) - which can be integrated to offer ubiquitous access in a heterogeneous network environment. User devices also come equipped with multiple network interfaces to connect to the different network technologies, making it possible to establish multiple network paths between end hosts. However, the current connectivity settings confine

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24

Alessi, Edoardo. "Measurement and transmission of electrical and magnetic quantities in magnetic confinement fusion devices." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3426452.

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Smith, Michael Henry. "Vehicle powertrain modeling and ratio optimization for a continuously variable transmission." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/17801.

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Choi, Myung Cheon. "Traffic flow management for RSVP/ATM edge devices." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/15520.

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27

Melendez-Cervantes, Carlos. "On the use of sound transmission in the measurement of temperature in combustion devices." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341842.

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O'Brien, Kathleen [Verfasser]. "Inductively Coupled Radio Frequency Power Transmission System for Wireless Systems and Devices / Kathleen O'Brien." Aachen : Shaker, 2007. http://d-nb.info/1166516717/34.

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Chen, Yanfei. "Benefits of coordination of flexible devices and probabilistic security standard in transmission network operation." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/51550.

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Currently, transmission network security is treated within a deterministic and preventive control framework where network constraints and balancing costs are not fully optimised. This may be inefficient and lead to increased levels of congestion, potentially increasing cost of integration associated with low-carbon generation. In this context, this thesis assesses the effects of coordinating FACTS and HVDC transmission systems under both deterministic and probabilistic security frameworks and assuming an array of available preventive/corrective control actions. An deterministic/probabilistic c

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30

Carbonell, Olivares Jorge. "Electromagnetic analysis of active and passive devices for space applications." Lille 1, 1998. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1998/50376-1998-69.pdf.

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Les progres recents en nanotechnologie, caracterisation haute frequence and conception assistee par ordinateur ont modifie de maniere importante la fabrication de systemes aux frequences millimetriques et sub-millimetriques. Dans ce contexte, ce travail concerne la simulation electromagnetique de composants actifs et passifs pour des applications spatiales. Trois sujets en relation avec le domaine terahertz, (i) un multiplicateur de frequence employant une heterostructure barriere varactor (hbv), (ii) des microinterrupteurs et lignes de transmission micro-usinees et (iii) des structures a band

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Cascio, Lucia. "Modeling of nonlinear active and passive devices in three-dimensional TLM networks." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0003/NQ34254.pdf.

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Berthier, Rémy. "Development of characterization methods for in situ annealing and biasing of semiconductor devices in the TEM." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAY014/document.

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Dans cette thèse, nous abordons les défis rencontrés lors de la caractérisation des mémoires non volatiles par microscopie en transmission in situ. Les innovations récentes menées sur les porte-objets de TEM in situ basés sur l'utilisation de puces en silicium apportent de grands avantages comparée aux précédents modèles. Cependant, cette technique reste complexe et les expériences de MET in situ sont difficiles à mener à terme. Ce manuscrit tente d'apporter de nouvelles solutions pour permettre l'observation à l'échelle atomique pendant le recuit, ou la polarisation d'un échantillon dans le M

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Ferreira, Daniela Wolter. "Topics in design and analysis of transcutaneous energy transfer to ventricular assist devices." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-10072014-160024/.

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This research studies a Transcutaneous Energy Transfer (TET) system which uses electromagnetic fields to transfer power from outside the body to an artificial organ (AO) in the body. It works like a high frequency transformer whereas the skin is part of the magnetic coupling between the primary (external) and secondary (internal) coils. Thus, the external coil (transmitter), which is excited by an oscillator circuit that transforms the continuous (DC) voltage to high-frequency alternating (AC) voltage, transfers energy to an internal system (receiver) containing a coil associated with a rectif

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34

Aldabbagh, Ahmed. "Hybrid electric and thermal modelling of semiconductor devices using the transmission line matrix (TLM) methods." Thesis, De Montfort University, 2014. http://hdl.handle.net/2086/10484.

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Increasing the level of semiconductor devices' quality, reliability, and associated system safety is important as a fundamental contributor to overall technical advancement in the electronics sector. However, the growing requirements of optimizing device design for the broadest application areas need an enhanced level of understanding of thermal behaviour, and self-heating in particular, of semiconductor devices under harsh thermal operation conditions. The aim of the research presented in this thesis is to develop and verify a numerical tool to assist in the understanding and the prediction o

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Epps, Brian W. "A comparison of cursor control devices on target acquisition, text editing, and graphics tasks." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/50013.

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The current study compared the performance of six commonly used cursor devices (absolute touchpad, mouse, trackball, relative touchpad, force joystick, and displacement joystick) on three types of tasks (target acquisition, text editing, and graphics). Prior to these comparisons, each of the devices was optimized for display/control dynamics in independent experiments. A total of 30 subjects were used in the five optimization studies. For each device, the optimization experiment compared a range of control dynamics using a target acquisition task (i.e., positioning a cross-hair cursor over

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36

Kundy, Beda Jerome. "Probabilistic analytical methods for evaluating MV distribution networks including voltage regulating devices." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52414.

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Thesis (PhD)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: Accurate load models are required for the computation of load flows in MV distribution networks. Modem microprocessors in recent times enable researchers to sample and log domestic loads. The findings show that they are stochastic in nature and are best described by a beta probability distribution. . In rural areas two different load types may be present. Such loads are domestic and pump loads, the latter may be modelled as constant P - Q loads. An analytical tool for computing voltage regulation on MV distribution network

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Mazloom, Ziya. "Multi-conductor transmission line model for electrified railways: A method for including responses of lumped devices." Doctoral thesis, KTH, Elektroteknisk teori och konstruktion, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11964.

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For studying the response to transients caused by lightning and other electromagnetic disturbance sources, electrified railway systems can be represented as a system of multiconductor transmission lines (MTL) above a finitely conducting ground. The conductors present in this system would be wires for traction power supply, auxiliary power, return conductors for traction current, the tracks, and finitely conducting ground. In contrast to conventional power systems, where the MTL system is usually only terminated at the line ends, there are lumped devices connected in series and as shunt along t

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Nortemann, Alexander. "Development of a mechatronic transmission control system for the drivetrain of the K71 project." Thesis, Nelson Mandela Metropolitan University, 2014.

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The tractive force has to be interrupted during a gear-shifting operation in a manual vehicle transmission, leading into a decrease of speed while changing gears during the acceleration process. Therefore in a racing application, the shifting time has to be as short as possible so that the required performance of a racing car can be achieved. The following dissertation describes the development of a transmission control system to enable gear changes within a manual gearbox, which was designed for the Formula Student racing series. Various solutions were developed on the basis of reviewed liter

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Raffler, Oliver. "A roller test bench for the evaluation of automotive vehicle noise, vibration and harshness." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/21646.

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The purpose of this thesis is the construction of a test bench for the assessment of the NVH behaviour of a newly manufactured VW Polo 5. This will be done in collaboration with Volkswagen South Africa. Firstly, in order to gain a better understanding of the requirements such a test bench has to fulfill, the VW Polo, the guidelines prescribed by VW as well as the actual testing procedure implemented by VW Uitenhage will be analysed. Thereafter, the main section of the thesis will deal with the construction of the test bench. As agreed upon with Volkswagen Uitenhage, a test bench will be built

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Nguyen, Van Liem. "Modeling and control coordination of power systems with FACTS devices in steady-state operating mode." University of Western Australia. School of Electrical, Electronic and Computer Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2009.0036.

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This thesis is devoted to the development of new models for a recently-implemented FACTS (flexible alternating current transmission system) device, the unified power flow controller (UPFC), and the control coordination of power systems with FACTS devices in steady-state operating mode. The key objectives of the research reported in the thesis are, through online control coordination based on the models of power systems having FACTS devices, those of maximising the network operational benefit and restoring system static security following a disturbance or contingency. Based on the novel concept

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Redmond, Matthew J. "Thermal management of 3-D stacked chips using thermoelectric and microfluidic devices." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50240.

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This thesis employs computational and experimental methods to explore hotspot cooling and high heat flux removal from a 3-D stacked chip using thermoelectric and microfluidic devices. Stacked chips are expected to improve microelectronics performance, but present severe thermal management challenges. The thesis provides an assessment of both thermoelectric and microfluidic technologies and provides guidance for their implementation in the 3-D stacked chips. A detailed 3-D thermal model of a stacked electronic package with two dies and four ultrathin integrated TECs is developed to investigat

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Hassan, Waqas. "Video analytics for security systems." Thesis, University of Sussex, 2013. http://sro.sussex.ac.uk/id/eprint/43406/.

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This study has been conducted to develop robust event detection and object tracking algorithms that can be implemented in real time video surveillance applications. The aim of the research has been to produce an automated video surveillance system that is able to detect and report potential security risks with minimum human intervention. Since the algorithms are designed to be implemented in real-life scenarios, they must be able to cope with strong illumination changes and occlusions. The thesis is divided into two major sections. The first section deals with event detection and edge based tr

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Mikhailov, Vitaly. "Investigation of high-speed, wavelength-division-multiplexed (WDM) optical fibre transmission systems and devices using recirculating loop techniques." Thesis, University College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406136.

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Pecula, Mauro Miguel. "Estudo de erro de transmissão e ruído de engrenamento do sistema de distribuição de um motor diesel." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263327.

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Orientador: José Maria Campos dos Santos<br>Dissertação (mestrado profissional) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica, Faculdade de Engenharia Eletrica e de Computação e Instituto de Química<br>Made available in DSpace on 2018-09-11T21:15:54Z (GMT). No. of bitstreams: 1 Pecula_MauroMiguel_M.pdf: 3399170 bytes, checksum: eb3730f4b592d4e1060f9a87cfd2bfe4 (MD5) Previous issue date: 2010<br>Resumo: Os requisitos de qualidade sonora estão sendo cada vez mais utilizados no mercado de caminhões médios e pesados. Assim, proprietários de veículos sentem-se incomodados

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Maghsoudloo, Esmaeel, and Esmaeel Maghsoudloo. "Wireless power transfer for combined sensing and stimulation in implantable biomedical devices." Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/33348.

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Actuellement, il existe une forte demande de Headstage et de microsystèmes intégrés implantables pour étudier l’activité cérébrale de souris de laboratoire en mouvement libre. De tels dispositifs peuvent s’interfacer avec le système nerveux central dans les paradigmes électriques et optiques pour stimuler et surveiller les circuits neuronaux, ce qui est essentiel pour découvrir de nouveaux médicaments et thérapies contre des troubles neurologiques comme l’épilepsie, la dépression et la maladie de Parkinson. Puisque les systèmes implantables ne peuvent pas utiliser une batterie ayant une grande

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Zhang, Pinjia. "Active thermal protection for induction motors fed by motor control devices." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34811.

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Induction motors are widely used in industrial processes. The malfunction of a motor may not only lead to high repair costs, but also cause immense financial losses due to unexpected process downtime. Since thermal overload is one of the major root causes of stator winding insulation failure, an accurate and reliable monitoring of the stator winding temperature is crucial to increase the mean time to catastrophic motor breakdown, and to reduce the extraordinary financial losses due to unexpected process downtime. To provide a reliable thermal protection for induction motors fed by motor co

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Koche, Rahulkumar Sadanand. "Measurement and modeling of passive surface mount devices on FR4 substrates." PDXScholar, 2012. https://pdxscholar.library.pdx.edu/open_access_etds/754.

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Passive components like resistors, capacitors and inductors are used in every electronic system. These are the very basic components which affect the system performance at higher frequencies and it is necessary to understand and model the behavior of these components in a very accurate manner. This work focuses on utilizing Printed Circuit Board (PCB) test boards, or fixtures, made of FR4 for characterizing Surface Mount Device (SMD) components. Agilent's Advanced Design System (ADS) microwave circuit simulation software was used for designing the microstrip transmission lines as well as for g

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Lakkireddy, Jahnavi. "Steady State Voltage Stability Enhancement Using Shunt and Series FACTS Devices." ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/td/1881.

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It is specifically important to focus on voltage stability analysis of the power system to avoid worst case scenarios such as voltage collapse. The purpose of this thesis is to identify methods for enhancing the steady-state voltage stability using FACTS devices and determining their impact on real and reactive power losses, improvement of bus voltage magnitude, and transmission line loadability. To achieve this, FACTS devices such as Static VAR Compensator (SVC), Static Synchronous Compensator (STATCOM), and Thyristor Controlled Series Capacitor (TCSC) are used in the test system as three sep

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Griffin, Julie. "A study of the impact of flexible AC transmission system devices on the economic-secure operation of power systems." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23263.

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This thesis examines how Flexible AC Transmission Systems (FACTS) devices can improve the secure-economic operation of a power system. More specifically, the benefits of FACTS devices in a network are evaluated in terms of four areas of power system study: system security, economic dispatch operation, maximum network loadability and electric industry deregulation. Simulations of a simple network are made to evaluate how a FACTS device can be used to increase the security region of a network. Based on this analysis, simulations are performed using the 24-bus IEEE reliability test network to ass

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Garcia, Ubirajara. "Estudo de vibrações em auto-tensionador de transmissão por correias." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265211.

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Orientador: Robson Pederiva<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-14T00:38:10Z (GMT). No. of bitstreams: 1 Garcia_Ubirajara_M.pdf: 2857015 bytes, checksum: 43af4c00365bf303c80b6b5d1be9e9be (MD5) Previous issue date: 2009<br>Resumo: Neste trabalho desenvolve-se um método, que permite avaliações de parâmetros, para o estudo do projeto de um sistema auto-tensionador no controle de suas vibrações transversais e forças atuantes. Parâmetros construtivos e operacionais, como: a geometria, inércia, rigid

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