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Dissertations / Theses on the topic 'Buck-boost converter'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

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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2

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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3

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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4

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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5

Whitaker, Michael Peter. "Improving the control strategy for a four-switch buck-boost converter." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42125.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2007.<br>Includes bibliographical references (p. 125-126).<br>The four-switch buck-boost converter, such as implemented with the Linear Technology LTC3440 integrated circuit, is useful in many applications. While this topology can be highly efficient, new strategies for controlling it could decrease power losses even more. The strategy proposed for this thesis involves the use of level shifted triangle waves and high speed comparators to achieve a narrower buck-boost region than achie
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6

Chan, Jason. "Design and analysis of feedback controllers for a DC buck-boost converter." Thesis, Chan, Jason (2014) Design and analysis of feedback controllers for a DC buck-boost converter. Other thesis, Murdoch University, 2014. https://researchrepository.murdoch.edu.au/id/eprint/25672/.

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In Murdoch University, students majoring in Electrical Power Engineering have the opportunity to learn about the basics of power electronic systems. ENG349 Power Electronic Converters and Systems is a unit where students are exposed to a range of industrial electronics. The power pole board provided by the University of Minnesota is used for laboratory teaching on how DC converters operate [1, 2]. This thesis topic gives an opportunity for Electrical Power students to further expand their basic knowledge on power electronics. Additionally, Instrumentation and Control System Engineering stu
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7

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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8

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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9

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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10

Singh, Manmeet. "Switching Power Converter Techniques for Server and Mobile Applications." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu159486698396321.

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11

Hernandez, Lucas. "Etude et réalisation d’un convertisseur AC/DC Buck Boost réversible à haut rendement pour alimentation de secours." Phd thesis, Toulouse, INPT, 2017. http://oatao.univ-toulouse.fr/20732/1/HERNANDEZ_Lucas.pdf.

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Les Alimentations Sans Interruption (ASI) ont pour rôle de protéger les charges sensibles. Leur utilisation nécessite l’usage de convertisseur de puissance AC/DC triphasé abaisseur et/ou élévateur de tension. Les ASI utilisent généralement une chaîne de conversion DC/DC+DC/AC ayant un rendement aux alentours de et sont souvent employées de façon continue. L’objectif de cette thèse est donc d’étudier un convertisseur DC/AC triphasé réversible en puissance susceptible de fonctionner en abaisseur et en élévateur de tension pour atteindre un rendement souhaité de 98% avec un minimum de 97,5%. L’ét
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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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13

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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14

O'Connor, Thomas Joseph III. "Power Converter Design for Maximum Power Transfer and Battery Management for Vibration-Based Energy Harvesting on Commercial Railcars." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/54031.

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Although the locomotive of a train is energized, in general, other railcars are not. This prevents commercial rail companies from installing sensor equipment on the railcars. Thus, several different solutions have been proposed to provide energy for commercial railcars. One such solution is a vibration-based energy harvester which can be mounted in the suspension coils of the railcar. The harvester translates the linear motion of the suspension vibration into rotational motion to turn a 3-phase AC generator. When subjected to real-world suspension displacements, the harvester is capable o
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15

LI, QIANG. "A SINGLE-PHASE DUAL-OUTPUT AC-DC CONVERTER WITH HIGH QUALITY INPUT WAVEFORMS." UKnowledge, 2003. http://uknowledge.uky.edu/gradschool_theses/242.

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A single-phase, buck-boost based, dual-output AC-DC converter is studied in this thesis. The converter has two DC outputs with opposite polarities, which share the same ground with the input power line. The power stage performance, including the input filter, is studied and procedure to select power components is given. The circuit model is analyzed to develop appropriate control. Zerocrossing distortion of the source input current is addressed and a solution is proposed. Experimental results are satisfactory in that a high power factor line current results for steady-state operation.
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16

Mao, Yi-Kai, and 毛奕凱. "A Novel Buck-Boost Converter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/49500212731889419464.

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碩士<br>崑山科技大學<br>電機工程研究所<br>100<br>Power electronics has been widely used in a variety of high-power products, including power heat control, lighting control, electric machinery control, power converters and HVDC systems, etc., so it’s important how to keep the conversion efficiency of the converter in the process of transformation. This thesis will explain how the hard switching high efficiency DC to DC Novel Buck-Boost Converter to choose the parts, making the converter have good effciency in CCM and DCM situation. The article includes the experimental results of control analysis, constitutio
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17

Wu, Meng-Ru, and 吳孟儒. "Design of Buck Converter and Boost Converter Circuits." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/76356060833285963689.

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碩士<br>國立勤益科技大學<br>電子工程系<br>102<br>This paper propose a voltage conversion circuit with feedback control to achieve the buck and boost converters' output stability. In the PWM control circuit, we use TL494 to determine the duty cycle with pulse width modulation(PWM), and design feedback architecture with optical coupler, the feedback signal is supplied to the PWM control circuit, in order to achieve the goal of a stable output. Circuit design proposed in this study, through the experiment of line regulation and load regulation is proved to achieve stable voltage output.
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18

Yang, Huang-Ping, and 楊煌平. "A Novel Bidirectional Buck-Boost Converter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/32498712593487382486.

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碩士<br>崑山科技大學<br>電機工程研究所<br>104<br>Lead-acid batteries widely used in various applications, such as automotive power system, telecom power supply uninterruptible power system, and so on. However, charge the battery after the electric energy finished is used. The main aim of this thesis is to 120V high-voltage battery and a low voltage 12V supplemental power. Accordingly, a novel bidirectional Buck-Boost converter is proposed in this thesis. In the proposed a novel bidirectional Buck-Boost converter bears the advantages such as simpler circuit structures, lighter weight, smaller volume, as well
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19

Huang, Bi-Lun, and 黃弼侖. "Soft-Switching Bidirectional Buck-Boost Converter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/70084250569148931050.

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碩士<br>崑山科技大學<br>電機工程研究所<br>104<br>The switches of conventional converters are almost hard-switching types, which cause a sudden wave-rise on voltage and current whenever the switch is under the condition of on or off. Also, the switch may be damaged easily when often used, which leads to switch loss, low efficiency, and the rise of switch component stress. In this research, the soft-switching bidirectional buck-boost converter suggests advantages of simple construction, low weight, small volume, and low cost. Additionally, it can be adopted to other converter devices such as buck converters an
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20

Liu, An, and 劉安. "Design of Charge-Pump Boost Converter and Flying-Capacitor Buck-Boost Converter." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/tyyrj5.

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博士<br>國立臺北科技大學<br>電腦與通訊研究所<br>102<br>In this first part of this thesis, a new continuous conduction mode (CCM) low-ripple high-efficiency charge-pump boost converter is presented. Its components include a double voltage charge pump and a low pass LC filter. The voltage boost ratio of the positive low-ripple output voltage of the proposed converter is (1+D) where D is the duty cycle of the control switching signal waveform. Since the energy storage inductor is connected to the power source and the load at all times, the proposed converter always operates in CCM, the transient responses are fast
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21

LIU, CHEN-YUEH, and 劉振岳. "Design of Smart Programmable Buck-Boost Converter." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9q6438.

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碩士<br>國立雲林科技大學<br>電子工程系<br>108<br>With the change of times, the speed of technological progress is changing rapidly, and the utilization rate of Internet of Things devices is increasing year by year. At present, the wireless sensing nodes installed outdoors usually have both energy collection and storage devices, thereby reducing reliance on the transmission lines to increase the elasticity of the device environment. In order to provide the power supply for such devices and to manage the charge and discharge of the battery at the same time, the multi-input-multi-output (MIMO) power management
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22

Lee, Yung-Feng, and 李永豐. "Bidirectional Buck-boost Converter with Automatic Voltage Regulation." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/47956602393686477128.

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碩士<br>輔仁大學<br>電機工程學系碩士在職專班<br>104<br>This thesis proposes a bidirectional DC-DC power converter based on microcontroller for charging and discharging of lithium-ion battery set. The converter can automatically reads the input voltage and setup the output voltage command after turning on or reset, parallel connect to power source without setting. After reading the battery voltage, it then determines the required quantities of series connected cells, set up the charging profile, and control the pulse-width-modulation (PWM) duty cycle in order to achieve a stable constant current and constant vol
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23

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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Chiu, Chih-Yi, and 邱至毅. "Analysis of Soft-Switching Bidirectional Buck-Boost Converter." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/93158265739344129527.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>101<br>Abstract The purpose of this thesis is to analyze the operation of the bidirectional Buck-Boost converter and conversion efficiency, and to explore the process of zero-voltage switching, Buck mode and Boost mode switching element driving voltage and the voltage across the switching waveform. Consider the effects brought about by the resonant capacitor, arising from the use of parasitic elements with resonance technology zero-voltage switching to reduce switching losses, and reduce the adverse effects caused by the parasitic elements and improve the conver
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Chen, Chih-Chiang, and 陳志強. "Hysteresis-Current-Controlled Buck/ Buck-Boost Converter Using Active Current Sensing Circuit." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/7q3egk.

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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>94<br>In this thesis, We design a new active current sensing circuit and apply this technology fo hysteresis-current-controlled buck/buck-boost converter using active current sensing circuit for portable applications. In the proposed DC-DC converter, the key building blocks includes power MOS, Voltage-current conversion circuit, hysteresis-current comparator, driving circuit, non-overlapping circuit and current sensing circuit. The current sensing circuit can fully sense the inductor current and be used to construct buck/buck-boost converter. The hysteresis-curre
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26

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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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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Kian-FuWong and 黃健富. "A Smooth Mode Transition Non-Inverting Buck-Boost Converter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/71085128919043398379.

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Shen, Bin-Nan, and 沈濱楠. "The Design of New Low-Voltage Positive Buck-Boost Converter." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/errpa4.

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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>99<br>The first part which is a low-voltage positive buck-boost converter using average- current-controlled techniques is proposed in this thesis. This circuit is different from the traditional buck-boost converter, the shortcoming which is output negative voltage has improved on traditional buck-boost converter. Moreover, the average-current-controlled circuit does not need to use slope compensation technique. The advantages of the low-voltage operational amplifier are lower power dynamic consumption and low supply voltage operation. The proposed low-voltage posi
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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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何梓宇. "Application of Buck-Boost Converter to Contactless Power Transmission System." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/02867361567188406002.

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碩士<br>國立彰化師範大學<br>電機工程學系<br>98<br>For the rapid development of electronic industry and technology, the research of power electronic control is becoming more difficult for nonlinear control. The fuzzy controller does not need to have clear understanding of transfer function of the system to be controlled; this feature can control the nonlinear easier. This research verifies fuzzy controller used for nonlinear DC converter, and experimental results show that its use for application. Keywords : fuzzy controller, DC converter.
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Su, Chih-Chieh, and 蘇志傑. "Study and Implementation of Single-Switch Cascade Buck-Boost Converter." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/57245988238422842579.

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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>96<br>This thesis presents a single-switch cascade buck-boost converter with high conversion ratio. Although high conversion ratio can be achieved by cascade of buck-boost converters, the complexities of the overall structure also increase with the number of used buck-boost converters. So, this thesis presents a structure of a single-switch cascade buck-boost converter to reduce the number of switches and simplify control circuits. By the union of conventional circuits, the switches can be integrated into one switch. This technique is also applicable to convention
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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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Wu, Chun-Hsien, and 吳俊賢. "Chaotic Behavior Analysis and Control of a Buck-Boost Converter." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/40710523224158699601.

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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 thesis investigates the chaotic behavior of a buck-boost converter with an output low-pass filter. Unlike the conventional approaches for modeling a DC-DC converter, the exponential model of the diode is employed in this thesis to account for the nonlinear characteristics of the diode. As for the system analysis, three voltage-loop compensators are adopted: P-type compensator, PI-type compensators, and PID-type compensator. With these three compensators, the values of different system parameters, such as input voltage and PWM (Pulse-width Modulation) pe
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NGUYEN, ANH DUNG, and 阮英勇. "Digital Control Strategy for High Power Bidirectional Buck-Boost Converter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/83502532051871240462.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>103<br>Bidirectional DC-DC converters have recently received a lot of critical attention due to the increasing needs for systems capable of transferring power between two dc buses or between dc bus and battery storage. Apart from the traditional uninterruptible power supply (UPS) applications, bidirectional DC-DC converters are also used in many new applications such as renewable energy system, fuel cell energy system, and even hybrid electric vehicle. In this thesis, a bidirectional buck-boost converter with both duty ratio and phase shift control algorithm is propo
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Rui-CheWang and 王睿澈. "Non-Inverting Buck-Boost Power-Factor-Correction Front-End Converter." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/45729638506489911403.

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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>This thesis presents a boundary-conduction-mode (BCM) non-inverting buck-boost based power-factor-correction (PFC) converter for the wide input-voltage-range applications. This proposed converter has the functionality of both step-up and step-down conversion to provide the positive DC output-voltage. In order to achieve high power factor, high step-up voltage-conversion-ratio of the conventional boost PFC converter is required but leads to high voltage stress and cost of the components for the PFC stage and the following DC-DC converter stage. To reduce the
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37

Chen, Wei Chih, and 陳偉智. "Design of A High Efficiency Buck-Boost Multiple Output Converter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/19883077380547550030.

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碩士<br>國立臺北大學<br>電機工程研究所<br>100<br>Multiple voltages are often required for powering many hand-held electronic devices. In such applications, multiple DC-DC converters are often used to convert from a battery to proper multiple output voltages. Each converter usually requires one inductor for the power conversion. Therefore, the multiple inductors used for such application are relatively bulky and a waste of space. In recent years, however, a new class of converters has been reported capable of providing multiple outputs using only single inductor. Therefore, This thesis propose a module using
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Yu-MinChang and 張幼旻. "Study on Digital-Control Inverter System withDual Buck-Boost Converter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/03556721614593172653.

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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>100<br>The purpose of the thesis is to study on digital-control inverter system with dual buck-boost converter, using the dual buck-boost converter combined together to display the properties of inverter. When the dual buck-boost converter’s output sinusoidal voltage are larger than zero volt with dc offset and one converter’s output sinusoidal voltage is different from the other by 180 degrees out of phase, the load gains the 110Vrms/60Hz sinusoidal voltage. So the system should be high-dynamic under control to make converter’s switch to work with variable operat
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Yu, Yu-Wei, and 余育崴. "Application of Novel Buck-Boost Converter for Power Factor Correction." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/62948188713562734913.

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碩士<br>崑山科技大學<br>電機工程研究所<br>101<br>The article to the new drop - boost converter as the main core architecture, use of open-loop architecture, thus improving the power factor. This article mentioned the new drop - the choice of the boost converter parts,when the current in continuous operation can have a good conversion efficiency, content inclusion principle, motion analysis,AC input 60V DC output 40V experimental results. In the design of the circuit,first completion of the IsSpice simulation software simulation,with entities circuit experimental results to validate. The circuit portion witho
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Lyu, Sin-Yan, and 呂欣諺. "Sliding-Mode Control for Soft-Switched Interleaved Buck-Boost Converter." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/35325319624311427132.

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碩士<br>國立東華大學<br>電機工程學系<br>101<br>The thesis proposes a frequency-modulation based sliding mode control (SMC), which is applied on control of an interleaved buck-boost converter with zero-voltage transition.The merit of a SMC is its robustness upon disturbance; that is, even variation of component parameter or other disturbance happen, the system trajectory can be clamped on the designed sliding surface to provide stabilized output. In this thesis, matrix transforming method is first applied to appropriately transform to an appropriate form. Then pole assignment method is used to obtain the re
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黃柄境. "Hybrid Buck-Boost Feed-Forward and Reduced Average Inductor Current Techniques in Fast Transient and High Efficiency Buck-Boost Converter." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/23158533834792028609.

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Fan, Chen-Chang, and 范振章. "An Adaptive On-Time Controlled Buck Converter & A Hysteresis-Current-Controlled Buck Converter and A Continuous-Time Delta-Sigma Boost Converter." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/7d7nvw.

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碩士<br>國立臺北科技大學<br>電子工程系研究所<br>105<br>The thesis proposes three DC-DC converters. The first proposed converter is a ripple-based buck converter with phase-frequency-locked (PFL) and adaptive on-time (AOT) techniques. Its principal controlled loop contains an output voltage feedback path and a phase-frequency-locked path. The PFL loop comprises an AOT controller to accelerate the transient time and lock the switching frequency. The chip size is 1.538 mm2. The input voltage ranges between 3V and 3.6V and the output voltage ranges are between 1V and 2.6V. The peak efficiency is 90.52% at 300mA loa
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Agrawal, Chirag. "Comparative Study and Simulation of Boost Converter and Buck Converter for a Photovoltaic System." Thesis, 2014. http://ethesis.nitrkl.ac.in/5780/1/110EE0187-6.pdf.

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Think about distinctive renewable energies, particularly sun powered vitality, conveyance of sun based radiation. The nitty gritty working as to the PV cell has been made natural. The configuration of support converter, the interfacing of the PV show alongside the converter has been secured. Yield of the converter is changed and the change in the information voltage and present into the support converter is checked. The current situation of sun oriented force, definitions and essential wordings have been secured. Working hypotheses have been comprehended and numerical representation for curren
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Agrawal, Chirag. "Comparative Study and Simulation of Boost Converter and Buck Converter for a Photovoltaic System." Thesis, 2014. http://ethesis.nitrkl.ac.in/5779/1/110EE0187-6.pdf.

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Think about distinctive renewable energies, particularly sun powered vitality, conveyance of sun based radiation. The nitty gritty working as to the PV cell has been made natural. The configuration of support converter, the interfacing of the PV show alongside the converter has been secured. Yield of the converter is changed and the change in the information voltage and present into the support converter is checked. The current situation of sun oriented force, definitions and essential wordings have been secured. Working hypotheses have been comprehended and numerical representation for curren
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You, Pei-Yu, and 游培煜. "Implementation of Light Emitting Diode Drive Circuit with Buck-Boost Converter." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/df5449.

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碩士<br>崑山科技大學<br>電機工程研究所<br>97<br>Since the global energy shortages, countries are committed to saving energy. The LED is one of the equipment for energy conservation. Because of the higher cost of the LED product, which compared with the general lightings, this dissertation proposes the driver of LED by the simple way, so as to lower the LED product price. The Buck-Boost converter would be study in this thesis. The specification of LED used which the voltage is 3.1~4.3V, the current is 0.7A. The circuit proposed would be drove on the load which constructed with 6 series white light LED in 3W/p
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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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Chiu, Hsiang-Lin, and 邱湘琳. "Buck-Boost Power converter Based MPPT system for Wind Power Application." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/95730940941578917138.

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碩士<br>淡江大學<br>航空太空工程學系碩士班<br>103<br>This thesis investigates the maximum power point tracking (MPPT) for the small-scale wind power system. The wind power system contains the wind turbine, generator, and buck-boost converter. A permanent magnet synchronous generator (PMSG) is selected in this research. Two different buck-boost converters, ZETA and SEPIC, are used for this study. The MPPT is achieved through continuously adjusting the duty ratio command of the power switch of the converter, which, in turn, will control the velocity of the wind turbine to reach the maximum power point. A fuzzy-l
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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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蔡政鋒. "Power factor improvement for buck-boost converter by voltage-follower technique." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/79513600560632064213.

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Lin, Shih-Shiun, and 林士勛. "Design of Closed-Loop Buck-Boost Converter for LED Driver Circuit." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/13146891556843146641.

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碩士<br>崑山科技大學<br>電機工程研究所<br>98<br>In recent years, since the phenomenon of accelerated global warming, the countries have proposed carbon reduction policies and actively seek clean energy. LED lighting devices which to be with saving energy, environmental protection, durable one of the advantages of the device. At present, the prices of general LED lighting products are still expensive. To instead of the conventional lighting apparatus, a simple driver circuit of the LED lighting proposed in this thesis to reduce the price of related products. In this thesis, the driver with Buck-Boost converte
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