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Dissertations / Theses on the topic 'Switch-mode power supply'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Petkov, Roumen Dimitrov. "High power switched mode magnetron power supply systems for industrial microwave heating applications." Thesis, Teesside University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259645.

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2

Kutluay, Koray. "Fully Digital Parallel Operated Switch-mode Power Supply Modules For Telecommunications." Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606640/index.pdf.

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Digitally-controlled, high power universal telecommunication power supply modules have been developed. In this work, the converter control strategy, and its design and implementation first, by means of parallel-operated, dual, 8-bit microcontrollers, and then by using a high processing power digital signal processor (DSP) have been emphasized. The proposed dual-processor based digital controller provides an extended operating output voltage range of the power supplies, user programmable current limit setting, serial communication based active load current sharing with automatic master-slave se

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3

Kaya, Ibrahim. "A Switch Mode Power Supply For Producing Half Wave Sine Output." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609781/index.pdf.

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In this thesis<br>analysis, design and implementation of a DC-DC converter with active clamp forward topology is presented. The main objective of this thesis is generating a rectified sinusoidal voltage at the output of the converter. This is accomplished by changing the reference signal of the converter. The converter output is applied to an inverter circuit in order to obtain sinusoidal waveform. The zero crossing points of the converter is detected and the inverter drive signals are generated in order to obtain sinusoidal waveform from the output of the converter. Next, the operation of the

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4

Nasir, Nasir. "Development of novel low noise switch-mode power supply designs for high fidelity audio power amplifiers." Thesis, Bournemouth University, 2017. http://eprints.bournemouth.ac.uk/29795/.

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Today, linear power supplies are widely used to provide the supply voltage rail to an audio amplifier and are considered bulky, inefficient and expensive due to the presence of various components. In particular, the typical requirements of linear designs call for physically large mains transformers, energy storage/filtering inductors and capacitors. This imposes a practical limit to the reduction of weight in audio power systems. In order to overcome these problems, Switch-mode Power Supplies (SMPS) incorporate high speed switching transistors that allow for much smaller power conversion and e

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5

Xie, Manjing. "Digital Control for Power Factor Correction." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/34258.

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This thesis focuses on the study, implementation and improvement of a digital controller for a power factor correction (PFC) converter. The development of the telecommunications industry and the Internet demands reliable, cost-effective and intelligent power. Nowadays, the telecommunication power systems have output current of up to several kilo amperes, consisting of tens of modules. The high-end server system, which holds over 100 CPUs, consumes tens of kilowatts of power. For mission-critical applications, communication between modules and system controllers is critical for reliability. Inf

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6

Šír, Michal. "Laboratorní napájecí zdroj s digitální řídicí jednotkou." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242115.

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This project deals with a design of power and control circuits for a laboratory power supply source, consisting of a continuous conduction mode active rectifier and DC/DC converter. Detailed design of input rectifier with active power factor correction, DC/DC converter and control circuits with their implementation to digital signal processor are the project results.

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7

Žamberský, Jan. "Zvyšující měnič napětí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-241973.

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Práce se zabývá popisem jednotlivých typů zdrojů s důrazem na izolované topologie. Poté je rozebírána nejvhodnější volba pro zdroj na anodické bondování, kde jsou kladeny požadavky na vysoké výstupní napětí s malým proudem. Další část rozebírá problematická místa návrhu a na co je třeba dávat pozor. Poté je proveden vlastní návrh zdroje s popisem optimalizačních kroků. Tento zdroj je odsimulován. Dva rozdílné přístupy k realizaci takového zdroje jsou poté porovnány a nejlepší je vybrán. Je ukázána možnost, jak realizovat bipolární výstup. V poslední části je tento zroj sestaven a proměřeny jeh

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8

Baglan, Fuat Onur. "Design Of An Educational Purpose Multifunctional Dc/dc Converter Board." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/2/12610103/index.pdf.

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In this thesis a multifunctional DC/DC converter board will be developed for utilization as an educational experiment set in the switched-mode power conversion laboratory of power electronic courses. The board has a generic power-pole structure allowing for easy configuration of various power converter topologies and includes buck, boost, buck-boost, flyback, and forward converter topologies. All the converters can be operated in the open-loop control mode with a switching frequency range of 30-100 kHz and a maximum output power of 20 W. Also the buck converter can be operated in voltage mode

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9

Tejmlová, Lenka. "Laboratorní zdroj s vysokou účinností." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219100.

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The project shows the problems of power supply in electrical engineering. It describes the general parameters of these types of supplies and presents their characteristics. Based on these findings, it is also focused on the selection of specific elements of the laboratory supply, to reach the given parameters. It contains the recalculations of the parameters of other additional components. The overall scheme of the supply is divided into several blocks, thematically corresponded to subchapters. According to the accomplished concept the laboratory supply is realized and its parameters had been

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10

Botek, Lukáš. "Dvojčinný síťový spínaný zdroj." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-412970.

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This master´s thesis describes switch mode power supply and discusses the design of its individual parts. It also contains a simulation of the power part of the converter and a reseach in the area of DC/DC converters.

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11

Šlezingr, Jan. "Parametrizace mezních křivek odolnosti elektrických spotřebičů na krátkodobé poklesy a výpadky napětí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217724.

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This master’s thesis work deal with diagnosis parameters immunity curves uniphase appliance on short - term voltage dips a interuption. Immunity curve is dependence smallest possible sizes RMS voltage for performance given to criteria function on time continuation voltage event. Curves of resistance is different for each electric appliance, and depending on the size and over-voltage network, the burden on resources and voltage during the event.. The goal of this work is to devise a methodology for measuring the implementation of parametric measurement limit curves of resistance for selected ty

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12

Folprecht, Martin. "Síťový spínaný zdroj." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-318189.

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13

Bodetto, Dallera Mirko Andrés. "Contribución al diseño de convertidores de tipo elevador-reductor para alimentación de sistemas de iluminación en leds." Doctoral thesis, Universitat Rovira i Virgili, 2015. http://hdl.handle.net/10803/312827.

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.En aquesta tesis doctoral es presenta el disseny i implementació d’un sistema d’alimentació ac-dc basat en convertidors de tipus elevador-reductor d’única etapa. El sistema s’ha dissenyat per regular el corrent d’alimentació d’un conjunt de LEDs connectats en sèrie. El sistema d’alimentaciódissenyat té la capacitat de mantenir constant el flux lumínic dels LEDs i permet la dimerització en un ampli rang de valors de corrent. Simultàniament, el sistema manté un nivell molt baix d’harmònics introduïts a la xarxa de corrent altern. L’anàlisi ha demostrat la viabilitat en l’aplicació del contro

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14

Johansson, Simon. "Design of power supplies for Piezo LEGS and SiC experiment : KTH Student satellite MIST." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196216.

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KTH is funding a project whose goal is to send a satellite into space. This project is called MIST (Miniature Student Satellite) which is assembled by a team of students at KTH. On the satellite there are experiments that are invented by other teams, in two of those experiments a power supply is required. This thesis is a technical investigation on how to design the power supply to both of those experiments, which are called SiC and Piezo LEGS. Piezo LEGS will investigate how their nanosized motors will behave and function in a space environment. SiC will investigate how their silicone carbide

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15

Ptáček, Karel. "Vysokonapěťové struktury pro galvanickou iziolaci v integrovaných obvodech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-417477.

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Tato dizertační práce představuje novou techniku laterární rezonanční vazby, která je využita v návrhu galvanicky izolovaného posouvače úrovně, který je následně implementován v 800 V půlmůstkovém kontroléru pro průmyslové aplikace. Ve srovnání s tradičními galvanickými izolátory jsou výrobní náklady tohoto řešení nižší. Pro aplikace vyžadující vyšší úroveň galvanické izolace je popsán následný vývoj galvanicky izolovaného posouvače úrovně, který využívá pouze jeden galvanicky oddělený posouvač úrovní pro komunikaci v obou směrech, což výrazně snižuje plochu struktury izolátoru. Jako součást n

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16

Tran, Manh Hung. "Vers de nouveaux modules de puissance intégrés." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00591079.

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Ce travail de thèse s'inscrit dans la démarche engagée depuis quelques années et concernant l'intégration monolithique en électronique de puissance avec pour objectif de faire émerger une nouvelle structure de bras d'onduleur plus compacte, plus fiable et plus performante. En s'appuyant sur des technologies à base de transistors " complémentaires " sur substrat N et P, la nouvelle structure étudiée présente de nombreux avantages vis-à-vis de la CEM conduite, de la simplification de commande rapprochée et de la mis en œuvre. Ces aspects sont abordés et validés de manières "théoriques" et expéri

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17

Kotulič, Dominik. "Záznamového zařízení pro oblast civilního letectví." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-376993.

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In the thesis the design of the Data Storage System (DSS) is proposed with the respect to the V-Model methodology. The design is based on users requirements, from which the system requirements are created and the technical specification of the DSS is developed. In the technical specifications the functionality of the DMM and HMI DSS subsystems are described and sub-system requirements are assigned to them, then they are subdivided and assigned to individual DMM (Data memory module) and HMI hardware items. Moreover, requirements are analyzed on hardware items, specific electronic components, ar

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18

Mejecaze, Guillaume. "Analyse des destructions d'alimentations électroniques soumises à un courant impulsionnel fort niveau." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0204.

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Depuis plus d'une trentaine d'années, la menace d'impulsion électromagnétique provoquée par une explosion à haute altitude (IEMN-HA) d'une arme nucléaire est un sujet d'actualité avec les préoccupations croissantes de sécurité. L'IEMN-HA se couple de manière privilégiée sur les lignes aériennes de distribution en électricité permettant d'alimenter les habitations et les usines. Une fois couplée à ces lignes, la contrainte générée peut alors se propager de façon conduite jusqu'aux premiers systèmes qu'elle rencontrera, et les perturber voire les détruire. Dans la majorité des cas, ces systèmes

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19

Laouamri, Khaled. "Contribution à l'intégration des composants passifs d'une alimentation à découpage." Grenoble INPG, 2001. http://www.theses.fr/2001INPG0090.

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Les travaux présentés dans ce mémoire s'inscrivent dans une thématique nouvelle pour 1*équipe Electronique de Puissance du LEG : "l'intégration hybride des composants passifs". Us portent sur la conception de composants passifs et s'attardent sur leur modélisation, leur réalisation et leur caractensation. Ces composants seront employés au sein d'un convertisseur AC-DC à prélèvement sinusoïdal qui servira de support à notre étude. Il ressort d'une évaluation de quelques convertisseurs que la structure à résonance série se prête bien à l'intégration. Les effets des interactions électriques en ha

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20

Pešl, Jiří. "Spínaný zdroj se spínáním při nulovém napětí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242009.

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Diploma thesis describes the design of an switched mode power supply with switching at zero voltage for driving the anode of Anode-layer type ion source. First aim of thesis is ion sources and specialy Anode-layer type of ion source in detail. Main aim of thesis are important aspects of the design of switching mode power supply, which comes later the detailed construction of an switched mode power supply with output voltage 2800 V at output power 2800 W.

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21

Long, Tsai Ching, and 蔡慶龍. "EMI Filter Design of Switch Mode Power Supply." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/04177711748703268798.

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碩士<br>國立臺灣科技大學<br>電子工程技術研究所<br>86<br>In this thesis, the sources of conducted noises are analyzed and the EMI filter for switch mode power supply is designed. The EMI filter design procedure is based on the analysis of the equivalent circuits of common-mode (CM) and differential-mode (DM) noises and the use of a developed noise separator. In this thesis, the characteristics of EMI filter elements are also explored. For illustration, the EMI filter design examples of a 250W single-switch and a 50W two-switches rectifier circuits have been give

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22

Yeh, Hsiao-I., and 葉孝益. "Control Analysis and Study of Power Factor for Switch-Mode Power Supply Systems." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/73005238827180620222.

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碩士<br>國立清華大學<br>動力機械工程學系<br>91<br>The fast development of high-level computers has promoted the growing demands for switch-mode power supplies with high energy density and efficiency recently. Hence, the switch-mode power supplies operated at high frequency have evidently dominated over the conventional linear power supplies. However, sinusoidal ac currents chopped by the high speed switching devices into current pulses would not only affect the stability of the circuits but also deteriorate the power factor with more energy losses. Thus, the improvement on the power factor of switch-mode p

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顏上進. "Design and Implementation of Switch-Mode Power Supply for Biochemical Instruments." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/39478437734321120779.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>90<br>A switch-mode power supply for biochemical instruments is presented in this thesis. A cascade structure consisting of the buck converter and the half-bridge converter is used in the presented scheme, to provide the desired DC power for the biochemical instruments. To effectively restrain the inherent switching loss, the half-bridge converter is implemented by using zero voltage switching technique for a higher efficiency. The control circuit used in this paper can fulfill the functions of an adjustable voltage output, a fixed current output and a fixed power

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24

Lai, Zhi Ping, and 賴致平. "Implementation and EMI phenomena of high current DC switch-mode power supply." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/85618639455123027802.

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25

Ahsanuzzaman, S. M. "Interactive Flexible Switch Mode Power Supplies for Reducing Volume and Improving Efficiency." Thesis, 2012. http://hdl.handle.net/1807/35546.

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The purpose of this thesis is to introduce a family of interactive Switch Mode Power Supplies (SMPS) for reducing the overall volume of the conventional converter topologies in low-to-medium power (up to 60W) applications. As shown in this thesis, the interaction between power supplies and electronic devices can be incorporated with emerging digital controllers for SMPS, to implement flexible converter topologies. These flexible topologies dynamically change the converter configuration, based on the load requirement, to provide near ideal transient response and/or improved efficiency over a wi

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26

Lin, Jing-Yuan, and 林景源. "Study and Implementation of A Switch-Mode Power Supply for Wide-Range Load Variation." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/20605497733660791284.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>92<br>Abstract A switch-mode power supply for biochemical instruments is presented in this thesis. A cascade structure consisting of the buck converter and the full-bridge phase-shifted PWM converter is used in the presented scheme, to provide the desired DC power for the biochemical instruments. To effectively restrain the inherent switching loss, the full-bridge phase-shifted converter is implemented by using zero voltage switching technique for a higher efficiency. The control circuit used in this paper can fulfill the functions of an adjustable voltage

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27

MING-HUNG, SUN, and 孫銘宏. "Electromagnetic Interference Emission Automatic Measurement and Filter Design for Switch-mode Rectifier Power Supply." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/75909083617749637320.

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碩士<br>義守大學<br>電子工程學系<br>91<br>In this thesis, a PC-based automatic measurement and filter design system for the electromagnetic interference emission of SMR is developed. The man-machine interface is written in LabVIEW graphical programming language. The effort of solving the conductive EMI is greatly reduced by the fast computing speed and the friendly man-machine interface of the PC. The emission measurement and suppression procedure established can accomplish the reduction of the developing period and cost. Not only the production is speeded up, but also the acceptability of the SMR manufac

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Radic, Aleksandar. "Practical Volume-reduction Strategies for Low-power High-frequency Switch Mode Power Supplies." Thesis, 2014. http://hdl.handle.net/1807/44131.

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The miniaturization of dc–dc switch-mode power supplies (SMPS) is of a key importance in volume-sensitive portable devices, such as cell phones, tablet computers, and digital cameras. In these systems, multiple SMPS are required to provide well regulated voltage and power to various electronic components such as the central processing unit (CPU) and random-access memory (RAM). The combined volume, weight, and surface area footprint of these SMPS is usually the largest component. Traditionally, SMPS volume reduction has been achieved through increased switching frequencies; however, for p

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Chen, Yu, and 陳煜. "The Study of GaN-HEMTs on Power Conversion and the High Efficiency Switch-Mode Power Supply Converter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/22838037171328973153.

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碩士<br>國立交通大學<br>機械工程系所<br>104<br>This study presents design and performance evaluation of 100W DC/DC boost converter and 90W AC/DC adapter based on cascoded GaN-HEMTs power device operated at 500 KHz and 250 KHz switching frequency respectively. In high frequency circuits, proper selection of MOSFETs is required in order to have low gate drive power consumption so that high energy efficiency of the converter can be achieved. Even though Si MOSFET has already known for its popularity in low to medium power converters and high frequency applications, GaN HEMTs device could produce better results

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Tarulli, Massimo. "New Generation of Programmable Neuroprostheses - Switched Mode Power Supply Functional Electrical Stimulator." Thesis, 2009. http://hdl.handle.net/1807/30133.

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Functional electrical stimulation (FES) devices have direct applications in the realm of rehabilitation engineering, physiotherapy, occupational therapy and medicine for research, diagnostic and therapeutic purposes. This thesis presents a novel electrical stimulator for use in a FES system. The stimulator produces regulated current pulses using two switched mode power supplies (SMPS) in series. The first power stage - a flyback converter - steps up the supply voltage using primary side digital control. The second power stage is a buck converter with output current hysteretic control. An

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Madhuravasal, Vijayaraghavan G. "Extreme temperature switch mode power supply based on vee-square control using silicon carbide, silicon on sapphire, hybrid technology." 2009. http://digital.library.okstate.edu/etd/Madhuravasal_okstate_0664D_10472.pdf.

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Wang, Jing. "Digitally Controlled DC-DC Converters with Fast and Smooth Load Transient Response." Thesis, 2013. http://hdl.handle.net/1807/36063.

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Modern switch-mode power supplies (SMPS) used for point-of-load (PoL) applications need to meet increasingly stringent requirements on voltage regulation, while minimizing physical volume and optimizing conversion efficiency. The focus of this thesis is the voltage regulation capability of low-power PoL converters during load transients. The main objective is to investigate converter topologies and control techniques that can achieve fast and smooth transient performance without significant penalty in volume and efficiency. The digital control method is used due to its ability to implement

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Frost, Damien F. "A PFC Power Supply with Minimized Energy Storage Components and a New Control Ttechnique for Cascaded SMPS." Thesis, 2012. http://hdl.handle.net/1807/33727.

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This Master of Applied Science thesis proposes a new design of low power, power factor corrected (PFC), power supplies. By lifting the hold up time restriction for devices that have a battery built in, the energy storage elements of the converter can be reduced, permitting a small and inexpensive power converter to be built. In addition, a new control technique for controlling cascaded converters is presented, named duty mode control (DMC). Its advantages are shown through simulations. The system was proven using a prototype developed in the laboratory designed for a universal ac input voltage

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Santiago, Alekssander Gomes. "Melhoria do desempenho das lâmpadas LED através de novo conceito de design, conceção, fabrico e utilização." Master's thesis, 2016. http://hdl.handle.net/10400.26/19028.

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Este projeto apresenta o conceito de um produto (Casquilho Eletrónico Ativo e Base Eletrónica Ativa) para aplicação em iluminação geral com tecnologia de Luz em Estado Sólido, mais conhecida por LED, acrónimo inglês para Light Emitting Diode (díodo emissor de luz). Neste produto, através de simples reestruturação da construção das lâmpadas, sem desenvolvimento de novas tecnologias, é alcançada a melhoria da eficiência das lâmpadas, melhoria do desempenho, aumento da fiabilidade e do tempo de vida. É também obtida a redução dos custos de fabrico, comercialização e reposição do produto em

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Lukic, Zdravko. "Design and Practical Implementation of Advanced Reconfigurable Digital Controllers for Low-power Multi-phase DC-DC Converters." Thesis, 2012. http://hdl.handle.net/1807/33855.

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The main goal of this thesis is to develop practical digital controller architectures for multi-phase dc-dc converters utilized in low power (up to few hundred watts) and cost-sensitive applications. The proposed controllers are suitable for on-chip integration while being capable of providing advanced features, such as dynamic efficiency optimization, inductor current estimation, converter component identification, as well as combined dynamic current sharing and fast transient response. The first part of this thesis addresses challenges related to the practical implementation of digital cont

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