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Dissertations / Theses on the topic 'Dc-dc boost converter'

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Published: 4 June 2021
Last updated: 26 July 2025

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1

Querol, Borràs Jorge. "MCU Controlled DC-DC Buck/Boost Converter for Supercapacitors." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-101205.

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This work is focused on DC to DC conversion, what is a crucial function to enable the use of supercapacitors for energy storage. A theoretical study and comparison of methods, algorithms and techniques for software controlled DC-DC converters have been used to develop a system what can step up or down a DC variable voltage and transform it into a steady state voltage. As a result a new control theory based on Bang-Bang control has been developed with an ARM LPC1768 processor. It was implemented to solve the commercial converters problems because they cannot work with supercapacitors due to the
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Saha, Pradip Kumar. "Nonlinear modelling and bifurcations in the rectified DC voltage FED DC-DC boost converter." Thesis, University of North Bengal, 2006. http://hdl.handle.net/123456789/612.

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3

Sagneri, Anthony (Anthony David). "Design of a Very High Frequency dc-dc boost converter." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/38664.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2007.<br>Includes bibliographical references (p. 167-169).<br>Passive component volume is a perennial concern in power conversion. With new circuit architectures operating at extreme high frequencies it becomes possible to miniaturize the passive components needed for a power converter, and to achieve dramatic improvements in converter transient performance. This thesis focuses on the development of a Very High Frequency (VHF, 30 - 300 MHz) dc-dc boost converter using a MOSFET fabricated
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Gunawan, Tadeus. "Two-Phase Boost Converter." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/200.

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A boost converter is one of the most efficient techniques to step up DC input voltage to a higher needed DC output voltage. The boost converter has many possible applications, such as in a photovoltaic system, hybrid car and battery charger. The proposed prototype in this report is a proof of concept that a Two-Phase Boost Converter is a possible improvement topology to offer higher efficiency without compromising any advantages readily offered by a basic boost. The prototype is designed to be able to handle up to 200 watts of output power with an input of 36 volts and an output of 48 volts. T
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Chudý, Andrej. "DC/DC měniče pro průmyslové napájecí zdroje." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442795.

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This diploma thesis deals with design and comparison of selected DC/DC converters, where the better of them is practically realized. The first part of the diploma thesis is focused on the general analysis of DC/DC power converters. The following part is theoretical analysis focused on the first selected topology – step-up converter. The second analysed topology is forward converter with full bridge on the primary side. The theoretical analysis also includes a description of synchronous rectifier, the differences between hard and soft switching, and the types of secondary rectifiers. Another pa
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Burkhart, Justin (Justin Michael). "Design of a very high frequency resonant boost DC-DC converter." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/60157.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.<br>Includes bibliographical references (p. 163-164).<br>THIS thesis explores the development of a very high frequency DC-DC resonant boost converter. The topology examined features low parts count and fast transient response but suffers from higher device stresses compared to other topologies that use a larger number of passive components. A new design methodology for the proposed converter topology is developed. This design procedure - unlike previous design methodologies for simi
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Mobaraz, Hiwa. "Modelling and Design of Digital DC-DC Converters." Thesis, Linköpings universitet, Institutionen för systemteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-127713.

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Digital Switched mode power supplies are nowadays popular enough to be the obvious choice in many applications. Among all set-up and control techniques, the current mode DC-DC converter is often considered when performance and stability are of interest. This has also motivated all the “on chip” and ASIC implementations seen on the market, where current mode control technique is used. However, the development of FPGAs has created an important alternative to ASICs and DSPs. The flexibility and integration possibility is two important advantages among others. In this thesis report, an FPGA-based
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8

Sikora, Roman. "DC-DC měnič pro matrix beam modul." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413161.

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The master thesis deals with the development of buck-boost DC-DC converter which supplies matrix beam module. The design is focused on testing two-phase boost converter and three channel buck converter manufactured by NXP Semiconductors. Part of the design is implementation of microcontroller for converter control and communication with computer. Part of the thesis is also to design user interface on Windows platform for easy system configuration. Next thing the thesis deals with is designing load for DC-DC converter that is variable and can make different current consumption. One part of this
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Bezerra, Gabriel Ribeiro. "Modeling and control of The DC-DC Buck-Boost converter using parametric identification techniques." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14745.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>This work presents procedures for modeling a Buck-Boost converter based on offline parametric identification techniques, with employment of black box and gray box models. For the identification of the control-to-output-voltage transfer function, the nonlinear Hammerstein model is employed, a particularly interesting structure to identify DC-DC converters for its ability to incorporate nonlinear static characteristic aside from the dynamic behavior of the plant. The identification of the mentioned transfer function is achieved from i
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10

Zumberge, Jon T. "Validation of a DC-DC Boost Circuit Model and Control Algorithm." University of Dayton / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1435688617.

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11

Havens, Nicklas Jack. "A high gain hybrid DC-DC boost-forward converter for solar panel applications." Thesis, Montana State University, 2013. http://etd.lib.montana.edu/etd/2013/havens/HavensN0513.pdf.

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As the demand for more efficient alternative energies increases, the demand to make the power electronics that go along with those energies increases as well. One of the major power components for photovoltaics is the DC-DC converter required to increase the voltage produced. A hybrid DC-DC boost-forward topology was explored. A switch on the secondary side can be turned off and the converter will take the characteristics of a boost converter. These predictions were confirmed by simulating this cirucit in MatLab Simulink, and finally by building a prototype circuit. A desired output of 170V -
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12

Saini, Dalvir K. "True-Average Current-Mode Control of DC-DC Power Converters: Analysis, Design, andCharacterization." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1531776568809249.

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Thekkevalappil, Soniya Noormuhamed. "Hysteretic pulse width modulation with internally generated carrier for a boost dc-dc converter." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0013267.

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14

Lentz, Nathan H. "A Modified Boost Converter with Reduced Input Current Ripple." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1740.

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Battery-powered trends in consumer electronics, transportation, and renewable energy sectors increase demands on DC/DC converter technology. Higher switching frequency and efficiency reduces solution size and cost, while increasing power capabilities. Still, switching noise remains the primary drawback associated with any DC/DC converter. Reducing a converter’s input ripple helps prevent switching noise from spreading to other systems on a shared DC power bus. This thesis covers the analysis, simulation, and implementation of a recently-proposed boost converter topology, alongside an equivalen
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Chotikorn, Nattapong. "Implementations of Fuzzy Adaptive Dynamic Programming Controls on DC to DC Converters." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1505139/.

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DC to DC converters stabilize the voltage obtained from voltage sources such as solar power system, wind energy sources, wave energy sources, rectified voltage from alternators, and so forth. Hence, the need for improving its control algorithm is inevitable. Many algorithms are applied to DC to DC converters. This thesis designs fuzzy adaptive dynamic programming (Fuzzy ADP) algorithm. Also, this thesis implements both adaptive dynamic programming (ADP) and Fuzzy ADP on DC to DC converters to observe the performance of the output voltage trajectories.
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Gafford, James Robert. "A DESIGN METHODOLOGY FOR A HIGH POWER DENSITY, VOLTAGE BOOST, RESONANT DC-DC CONVERTER." MSSTATE, 2005. http://sun.library.msstate.edu/ETD-db/theses/available/etd-07052005-133819/.

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A full-bridge, parallel-loaded, resonant, zero current/zero voltage switching converter has been developed for DC-DC voltage transformation. The power supply was used to condition power sourced by a 28-V, 400-A Neihoff alternator installed in a HMMWV that delivered power to a 5-kW mobile radar. This design focuses on achieving maximum power density at reasonable efficiency (i.e. > 80%) by operating at the highest resonant and switching frequencies possible. A resonant frequency of 392-kHz was achieved while providing rated power. The high resonant frequency was facilitated by the development o
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17

Gebreab, Ermias K. "Interfacing of battery with a medium voltage DC-DC converter using MATLAB/Simulink." Kansas State University, 2013. http://hdl.handle.net/2097/15759.

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Master of Science<br>Department of Electrical and Computer Engineering<br>Sanjoy Das<br>Noel Schulz<br>Electrical power, although convenient form of energy to distribute and use, cannot easily be stored in large quantities economically. Most electrical power generated by utility plants is consumed simultaneously in real time. However, in some cases, energy storage systems become crucial when power generated from sources does not fulfill peak power load demand in a power system or energy storage systems are needed as backup. Due to these reasons, various technologies such as batteries, ultraca
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18

Franklin, Calenia L. "Design and Simulation of Boost DC - DC Pulse Width Modulator (PWM) Feed-Forward Control Converter." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1594392395108745.

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19

Moamaei, Parvin. "MAXIMUM POWER POINT TRACKING FOR PHOTOVOLTAIC APPLICATIONS BY USING TWO-LEVEL DC/DC BOOST CONVERTER." OpenSIUC, 2016. https://opensiuc.lib.siu.edu/theses/1974.

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Recently, photovoltaic (PV) generation is becoming increasingly popular in industrial applications. As a renewable and alternative source of energy they feature superior characteristics such as being clean and silent along with less maintenance problems compared to other sources of the energy. In PV generation, employing a Maximum Power Point Tracking (MPPT) method is essential to obtain the maximum available solar energy. Among several proposed MPPT techniques, the Perturbation and Observation (P&O) and Model Predictive Control (MPC) methods are adopted in this work. The components of the MPP
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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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Forster, Andrew E. "Energy Harvesting From Exercise Machines: Buck-Boost Converter Design." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1702.

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This report details the design and implementation of a switching DC-DC converter for use in the Energy Harvesting From Exercise Machines (EHFEM) project. It uses a four-switch, buck-boost topology to regulate the wide, 5-60 V output of an elliptical machine to 36 V, suitable as input for a microinverter to reclaim the energy for the electrical grid. Successful implementation reduces heat emissions from electrical energy originally wasted as heat, and facilitates a financial and environmental benefit from reduced net energy consumption.
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González, Castaño Catalina. "Analysis and implementation of a bidirectional dc-dc converter with coupled inductor for an electric vehicle powertrain." Doctoral thesis, Universitat Rovira i Virgili, 2019. http://hdl.handle.net/10803/667655.

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En aquesta tesi es proposa l'ús d'un convertidor Buck-Boost no inversor situat entre les bateries i l'inversor per regular el bus de contínua del sistema de tracció d'un vehicle elèctric (VE). El convertidor es basa en el Buck-Boost versàtil que ha demostrat un comportament excel·lent en aplicacions de baixa potència i commutació dura en diferents sistemes basats en piles d'hidrogen. A partir d'aquí, ampliar l'ús del convertidor per aplicacions de més alta tensió com les del VE és un repte que s'aborda en aquest treball. L'ús d'un convertidor reductor/elevador d'alta eficiència en el sistema d
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Lee, Julie JoAnn. "Steady-State and Small-Signal Modeling of a PWM DC-DC Switched-Inductor Buck-Boost Converter in CCM." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1340804411.

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Barbagallo, Mariano. "HV Interleaved Multiphase DcDc Buck-Boost Converter." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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in electric vehicle (ev) systems, bi-directional dc-dc converters are used to interface the rechargeable energy storage system (ress) such as the battery bank with the high voltage dc-link of the inverter. currently multi-cell batteries used in automotive systems, such as ev or hev, are subject to a higher failure rate than single cell batteries. the more cells are used in series, the greater the opportunities to fail and the worse the reliability. when a cell has failed the entire string or even worse the battery must be replaced, which is extremely costly [1]. so, to have less cells in serie
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Lee, Julie JoAnn. "Analysis of a Small-Signal Model of a PWM DC-DC Buck-Boost Converter in CCM." Wright State University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=wright1187882268.

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26

Jiang, Ding-Da, and 江定達. "An Adaptable DC-DC Boost Converter." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/94874417372416286002.

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碩士<br>國立中興大學<br>電機工程學系所<br>94<br>In this thesis, existing modulation technology of switch regulator is investigated to design simple and low cost dc-dc converter. There are two control methods of existing switch regulators, i.e., pulse width modulation (PWM) and pulse frequency modulation (PFM), PWM control method is difficult to design in stability, while PFM is simple and high stability. In terms of efficiency, PWM has low efficiency in light load but high efficiency in heavy load. On the contrary, PFM has low efficiency in heavy load but low efficiency in light load. In terms of ripple PWM
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Hsu, Hsiu-Chia, and 許家修. "Realization of DC/DC Boost Converter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/40512164340173394360.

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碩士<br>國立交通大學<br>機械工程學系<br>101<br>DC/DC converter is one of the most popular power electronic converters owing to its simple structure and wide applications. One type of the DC/DC converter is boost converter. The thesis realizes three boost converters operating in two different range of switching frequencies, 33kHz to 100kHz and 100kHz to 600kHz, which modulate the duty ration to maintain the output power being stable by sensing the feedback signal of the output voltage. Furthermore, the thsis analize the composistion of the factor of power loss in the circuits to increase the efficiency, and
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Hsiao, Chia Wen, and 蕭嘉文. "Digital PWM controller for DC-DC Boost Converter." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/96469072407712879427.

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碩士<br>長庚大學<br>電機工程學系<br>98<br>In this paper , a digital pulse width modulation controller of the dc-dc switching converter designed for the integrated circuit is implemented and verified .The technology used in pulse width modulation is popularly applied in present power electronic field . This technology is used to improve the efficiency and save more energy resources in the design of the circuit. And that, the design in this digital pulse width modulation controller is based on the theory and improvement of the PI controller and the pwm controller .Comparing with the method look up table use
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Huang, Jhe-Sian, and 黃哲賢. "Design and Implementation of DC/DC Boost Converter." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/67139297103953679237.

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碩士<br>遠東科技大學<br>電機工程研究所<br>101<br>In of the technology industry, the DC/DC converter plays a very important role. The application effect a good converter of is even more powerful. Also, the efficient power management is important in high-tech application today. DC/DC boost converter due to its flexibility of structure is widely used in power electronic circuits. In this thesis, pulse width modulated (PWM) signal processing is generated used for the IC SG3524 to the switching of control MOSFET. In this thesis, NI PCI-6070E DAQ capture card with LabVIEW virtual instrument software is utilized as
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Tsao, Jiun-Hau, and 曹浚豪. "HIGH FREQUENCY SYNCHRONOUS BUCK BOOST DC-DC CONVERTER." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/88723223904880136792.

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碩士<br>大同大學<br>電機工程學系(所)<br>100<br>In this thesis, we propose a non-inverting topology for buck-boost converter to extend the battery life of a portable device. Four power MOSFETS switches are used to improve the efficiency, and increase the operation frequency to 1MHz to minimize the inductance. The compensated error amplifier is composed of two blocks, unity-gain zero generation block and gain block, realizing phase shift and gain of the feedback loop, respectively. Therefore, it can reduce the capacitor value for circuit integration. The simulation results show that this buck-boost converte
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Chen, Shih-Wei, and 陳世偉. "Single-Inductor Tri-Output DC-DC Boost Converter and Dual-Output Quadratic DC-DC Buck Converter." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/uy3282.

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碩士<br>國立臺北科技大學<br>電腦與通訊研究所<br>97<br>There are two kinds of DC-DC converters presented in this study. One is the single-inductor tri-output (SITO) DC-DC boost converter, and the other one is the dual-output quadratic (DOQ) DC-DC buck converter. The proposed SITO DC-DC boost converter not only provides three output sources but also uses single inductor. The proposed DOQ DC-DC buck converter has a wider conversion ratio with ultra-low voltage for dual-output voltage sources. In this study, the methodology for controller design of DOQ DC-DC buck converter is given using average current-mode contro
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Hung, Shih-Kuo, and 洪世國. "Hysteretic Boost DC-DC Converter with Fast Transient Response." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/4fx6j5.

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碩士<br>國立交通大學<br>電機學院電子與光電學程<br>101<br>This paper presents a hysteretic current mode DC-DC boost converter with fast transient response performance. A dynamic compensation technique is introduced for hysteretic DC/DC converters to improve transient response in case of output loading variation. Therefore, the compensation control circuit with the proposed dynamic compensation technique contains adaptive compensation capacitance and resistance, which can be changed according to output loading current. As a result, the compensation pole-zero pair will be moved toward to higher frequencies to incre
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Lu, Chieh Huang, and 呂杰鍠. "Design and Implementation of 20kW DC-DC Boost Converter." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/14285088445047964736.

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碩士<br>長庚大學<br>電機工程學研究所<br>96<br>This thesis designs and implements a 20kW hard-switching dc/dc booster converter. The maximum operating efficiency and power losses allocation of circuit elements used in the converter are also explored. Conducted EMI in the boost converter are also considered and reduced by using a turn-off snubber circuit. In order to obtain high conversion efficiency under high power operating situation, this thesis discuses the specifications selection of circuit elements used in the converter. A TMS320F2812 DSP-based digital controller is designed and implemented in the the
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Chou, Di-Chi, and 周帝吉. "Single-Inductor Dual-Output DC-DC Buck/Boost Converter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/01129641559018482846.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>104<br>A Single-Inductor Dual-Output (SIDO) DC to DC Buck/Boost Converter topology is proposed. The power stage switching sequence is different from conventional type. In addition to three switches, a freewheel switch is used to prevent negative inductor current occurring and degrading the power efficiency. The converter uses ripple-based control method, which facilitates high switching frequency and decreasing the passive components volume. The chip is fabricated in 0.18 μm CMOS, the proposed SIDO DC-DC Buck/Boost Converter can produce 0.95 V buck voltage with
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Chen, Jui-chi, and 陳睿琪. "On the Design of Multilevel DC-DC Boost Converter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/69428061797414023081.

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碩士<br>國立中央大學<br>電機工程研究所<br>100<br>In resent years, with spiraling fuel costs and enhancement of environmental consciousness, people put more emphasis on energy crisis problem. Many countries are encouraging and promoting the development of renewable energy and green energy. Solar cell plays an important role in green energy. However, solar PV system requires high voltage for back-end application even when sunlight is insufficient. So we need a high step-up ratio DC-DC boost converter. Therefore, emphasis of this thesis is placed on developing a high efficiency and high step-up ratio DC-DC boos
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Chang, Hung-wei, and 張宏瑋. "Integrated Single-Inductor Buck-Boost or Boost-Boost DC-DC Converter with Power-Distributive Control." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/64745666692791543442.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>97<br>This paper presents a fully integrated single-inductor dual-output (SIDO) buck-boost or boost-boost DC-DC converter with power-distributive control. This converter works under voltage mode control to have better noise immunity, uses fewer power switches/external compensation components to reduce cost, and is thus suitable for system on chip (SoC) applications. The proposed SIDO converter was fabricated in TSMC 0.35μm 2P4M CMOS technology with input supply voltage 2.7-3.3 V. The first output VO1 can operates either at buck mode or boost mode (output volta
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Liang, Kai-Chun, and 梁凱竣. "Design of Single-Inductor Dual-Output Boost DC-DC Converter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/9g7u8m.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>105<br>Abstract This thesis presents a chip design of a single-inductor dual-output (SIDO) DC-DC boost converter with current controlled pulse frequency modulation (PFM), which is applied in power management after the capture of energy. The SIDO operated in continuous conduction mode (CCM) uses a single inductor for storing energy and alternatively delivers the energy to an output loading terminal (VOUT) and a supply voltage controller terminal (VCC). To ensure a stable operation, the supply voltage controller terminal is always charged before the output loading ter
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Shiau, Jung-yi, and 蕭仲義. "Sliding mode voltage control of DC/DC buck-boost converter." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/99441053412284159291.

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碩士<br>正修科技大學<br>機電工程研究所<br>97<br>Comparing with the conventional power converters, switching power converters possess the advantages of high efficiency, small size and wide range of voltage operation, so that they are widely applied in the application of portable electronic products and equipment in recent years. This thesis mainly focuses on the development and implementation of Buck/Boost converter with a sliding mode voltage controller, to achieve the stable desired controlled voltage output. Firstly, the stable sliding surface function is designed due to the control system. It can be obser
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Chin-HongChen and 陳津宏. "Average-Current-Mode Non-inverting Buck-Boost DC-DC Converter." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/77890091296649204660.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>98<br>With the increasing use of electrical portable devices, an efficient power management solution is needed to extend battery life. Generally, basic switching regulators (e.g., buck, boost) are not capable of using the entire battery output characteristics effectively (e.g., 2.7–4.2 V for Li-ion) to provide a fixed output voltage (e.g., 3.3V). In this work, an average-current-mode non-inverting buck-boost dc-dc converter is introduced, which can use the full-range output voltage of Li-ion battery with the advantages of high power efficiency, faster transient r
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Sheu, Chen-Chieh, and 許鎮傑. "High Voltage Chip Design for Boost DC to DC Converter." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/78320230962913636542.

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碩士<br>國立雲林科技大學<br>電子工程系<br>103<br>Owing to the vigorous growth of industry and commerce business, the shortage of electrical energy has become a global problem. Electricity energy is widely applied and especially its application on electric products of appliances and communication have increased gradually, such as cell-phone, note book computer, GPS and many other electric devices. Consequently, the demands for electric products also grow accordingly. The design for converters has become advanced and the requirements for design increased,, so the electronic circuit designs become more comp
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Lei, Pui-Sun, and 李姵璿. "Batteryless DC-DC Boost Converter for Thermoelectric Energy Harvesting Devices." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/62981646071795349678.

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博士<br>國立中興大學<br>電機工程學系所<br>104<br>In this dissertation, a batteryless DC-DC boost converter with a low startup voltage for thermoelectric energy harvesting applications is proposed. The harvested power from thermal energy is very low. In order to work under low voltage situation, the conventional architecture uses low threshold voltage (VTH) transistors in the startup circuit, because transistors will only work when the input voltage is greater than the threshold voltage. However, the leakage current of the low VTH transistor is large. A negative voltage generator can be used to alleviate this
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Chen, Chien-Wei, and 陳建瑋. "Design and Implementation of High Power Boost DC-DC Converter." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/32431457807658965261.

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LEE, YI, and 李奕. "Aging Detection for Power MOSFET in DC-DC Boost Converter." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9quh4w.

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碩士<br>國立交通大學<br>電機工程學系<br>107<br>As electric vehicles use more and more power electronic devices, the reliability and the safety of power electronic systems become more and more important. In power management ICs, the aging of power MOSFETs affects the reliability of the overall system. Traditionally, it is determined by the measurement of the threshold voltage and turn-on resistance to detect the state of healthy. However, one has to interrupt the operation of power electronic systems and be done off-line. This thesis focuses on-chip and on-line measurement. This thesis presents a method to m
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Li, Chi-Hung, and 黎紀宏. "High-Efficiency Resonant Boost DC/DC Converter with Full Digital Control." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/6cpx9v.

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碩士<br>國立交通大學<br>電控工程研究所<br>101<br>This thesis concluded the design and implementation of high efficiency resonant boost DC-DC converter. Its circuit structure contained 2 stages. The full bridge phase-shift circuit was equipped the front one for producing the rectangle waves, which then were raised to high voltage and segregated. The second stage using the LC resonant circuit efficiently stepped up. This converter is widely applied to solar panel, fuel cell and a variety of step-up systems. In the contents discussed the principle of resonant circuit and analysed the frequency conversion and
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Lin, Chun-Hung, and 林俊宏. "A DC-DC Boost Converter with Embedded Self-Temperature Balancing Mechanism." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/79j6qs.

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碩士<br>國立交通大學<br>電機工程學系<br>105<br>This thesis proposes a DC-DC Boost Converter with self-temperature balancing mechanism for power MOS. The mechanism is able to improve the phenomenon of imbalance temperature distribution of power MOS. The built-in temperature sensor senses initial temperature of each bank. When power MOS is in operation, T Sensor senses current temperature of each bank again, and it will search for the bank of maximum rising temperature after comparing eight times. Then the Gate Modulation Circuit, which is able to adjust the number of pulses taken according to temperature dis
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Chin-WeiChang and 張晉瑋. "Single-Inductor Four-Switch Voltage-Mode Buck-Boost DC-DC Converter." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/73162145114489630707.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>98<br>With the rapid progress of semiconductor technology, all kinds of electronic products, especially portable electronics, appear in the market day by day. The most indispensable component for portable products is the battery that supplies energy, and determines the service life of the product. The supply voltage of the battery will drop gradually with time, which means the input voltage supplying by battery can be higher than, equal to, or lower than the desired voltage. Therefore, a DC-DC converter is required to convert the time-varying battery voltage to a
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Liu, Ti-Ti, and 劉玓玓. "A Current Domain Boost DC-DC Converter for LED Driver Applications." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/44033038272983008687.

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碩士<br>國立交通大學<br>電機與控制工程系所<br>96<br>In the past, the backlight module for liquid crystal displays (LCD) consisted mainly of cold cathode fluorescent lamp (CCFL). However, with the greatly improving technology of light emitting diode (LED) process, the benefit for LED backlight is more and more obviously such as high color saturation, longer product life and none hydrargyrum. Thus, people are trying to replace CCFL to RGB LED to reach the high quality images in displays targeted for market. Two most popular approaches for LED driver implementation are an inductor-less charge pump converter and a
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Lien, Wei-Hsiang, and 連威翔. "Interleaved Control for Multilevel Flying Capacitor Boost-Type DC/DC Converter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/84618735150900379634.

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碩士<br>國立交通大學<br>電控工程研究所<br>103<br>In this thesis, we construct a mathematical model and derive the transfer function for the multilevel flying capacitor converter circuit. To derive the (2+1)-level and (3+1)-level flying capacitor converter circuit as an example, we find that no matter what the order of the circuit, the transfer functions can be simplified as second order system through parameter design. Finally, according to the design specifications of the controller, we can implement the control of multilevel flying capacitor converter circuit. All the algorithms and controllers are impleme
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Zheng, Li-Ren, and 鄭力仁. "Design and Implementation of a Bidirectional Buck-Boost DC-DC Converter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/41810993725827533220.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>103<br>In this thesis, a digitally-controlled non-isolated bidirectional buck– boost dc–dc converter is studied and implemented. The proposed converter is capable of operating in all power conditions in buck/boost modes. Through a novel modulation strategy and proper design of the buck-boost inductance, zero voltage switching (ZVS) can be achieved and thus high efficiency can be obtained. To further improve the efficiency, an adaptive phase-shift control method which determines the phase shift between gating signals according to the load level is also proposced. A lo
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Chiang, Ta-Jen, and 江大任. "Realization of a ZVS Current-Fed Boost Converter for Bi-directional DC/DC Converter." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/95229697296824328865.

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碩士<br>中原大學<br>電機工程研究所<br>105<br>Thesis is to improve the boost conversion characteristics of the bidirectional full-bridge DC / DC converters and to maintain the excellent behavior of the phase-shifted buck conversion. Quasi-resonant full-bridge current-fed method is adopted to achieve the boost energy conversion with constant-off time control, while the switches are commutated at zero-voltage-switching (ZVS) to enhance the conversion efficiency. In this study, a full-bridge bidirectional DC / DC converter with output power of 1 kW is implemented to verify the proposed method, where the low-si
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