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Dissertations / Theses on the topic 'DC balance'

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1

Fox, Bonnie L. Upchurch Robert. "Paradox and balance in the Anglo-Saxon mind of Beowulf." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-6110.

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2

Chen, Liping Acevedo Miguel Felipe. "Soil characteristics estimation and its application in water balance dynamics." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9789.

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3

LUNDGREN, DOUGLAS, and Pontus Mjöberg. "Balancing Cup Holder : How to balance a cup using DC-motors and PID-control." Thesis, KTH, Maskinkonstruktion (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-191514.

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The use of stabilizing mechanisms is an increasingly common practice in our everyday life technology, and was chosen as the main purpose of the project. This project was based on the development of a stabilizing cup holder that can compensate for angular changes. This report includes the theories and tests that were used in the project to answer the research questions. A theoretical model was made to help with the construction of the demonstrator and the development of the software. The demonstrator was built to test out the various scenarios: balancing from the tilt of 10° and balancing with
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4

Martysevich, Volha. "Seepage rates in closed basins." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002706.

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5

Ashaibi, Ahmed Ali Ahmed. "Auxiliary circuits used to charge, discharge and balance the dc-link capacitors of the diode-clamped five level inverter." Thesis, University of Strathclyde, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501839.

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Switch mode auxiliary circuits have been used to balance the de-link capacitor voltages of a diode-clamped five-level inverter. The use of the smps has been extended to charge- lip and discharge the four de-link capacitors. Complete diode-clamped five-level inverter operation has been implemented from inverter start-up, to link charge-up, to balanced pwm operation, to de-link discharge, and shut-down. The diode-clamped smps is used to charge and boost the two lower de-link capacitors simultaneously. Auxiliary circuit and boost converter duty cycles are used to control the de-link charge-up and
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6

Chen, Hongyun. "Safety evaluation of freeway exit ramps." [Tampa, Fla.] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002338.

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7

Franke, Manfred. "Translating Electric KHFAC and DC Nerve Block from Research to Application." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1397006454.

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8

Kudrimoti, Sanjay. "Two essays on financial condition of firms." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002734.

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9

Kovář, Jan. "Metody pro řešení spínaných obvodů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-233575.

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The dissertation deals with simulations of the DC-DC converters in their basic configurations (Buck, Boost, Buck-boost, Cuk, SEPIC). In the first part of the thesis derivation of transfer functions Line-to-Output (LTO) and Control-To-Output (CTO) can be found. These symbolic responses are derived for three types of basic converters (Buck, Boost, Buck-boost) using well-known average model [1]. Derived expressions are very complicated. For reduction of these expressions symbolic approximation method was used, however the generality is lost. The average model was used to for decreasing the comput
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10

Luecke, Christina L. "Gender differences during heat strain at ctitical WBGT." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001646.

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11

Yin, Changjie. "Impact of diesel generator operating modes on standalone DC microgrid and control strategies implying supercapacitor." Thesis, Compiègne, 2018. http://www.theses.fr/2018COMP2411/document.

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La nature intermittente et aléatoire des sources renouvelables, telles que le photovoltaïque et l’éolien, nécessite un complément de stockage, tel une batterie et un système de secours énergétique, tel un générateur diesel, en particulier dans un système autonome. En ce qui concerne le générateur diesel, il a besoin d'un certain temps pour démarrer et il ne peut pas donner immédiatement la puissance nécessaire, en raison de son comportement dynamique. Alors, la qualité de l'énergie est abaissée pendant cette période en raison du manque de puissance. Par conséquent, pendant la période de démarr
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12

Eliáš, Marek. "DC/DC měnič pro záložní zdroje." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-402133.

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This thesis deals with the design of a DC/DC converter designed for charging supercapacitors from the 36 V voltage source and consequent back transformation of supercapacitors voltage to the required output voltage. In the thesis the designs of decreasing and increasing DC/DC converters including schematics and calculations of individual components are presented and described. The calculations necessary for the supercapacitors to meet the 10Wh energy condition and the voltage balancer on the capacitors are given below. Completely designed equipment will be assembled and tested on supercapacito
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13

Kang, Gerui Mayper Alan G. "Balanced scorecards an experimental study of the effects of linking the evaluators' and the subordinates' balanced scorecards on performance evaluation /." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9767.

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14

Najmi, Vahid. "Modeling, Control and Design Considerations for Modular Multilevel Converters." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/53703.

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This thesis provides insight into state-of-the-art Modular Multilevel Converters (MMC) for medium and high voltage applications. Modular Multilevel Converters have increased in interest in many industrial applications, as they offer the following advantages: modularity, scalability, reliability, distributed location of capacitors, etc. In this study, the modeling, control and design considerations of modular based multilevel converters, with an emphasis on the reliability of the converter, is carried out. Both modular multilevel converters with half-bridge and full-bridge sub-modules are evalu
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15

Brahmachari, Aveek Shankar. "BLOGS: Balanced Local and Global Search for Non-Degenerate Two View Epipolar Geometry." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003084.

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16

Phung, Thanh Hai. "Conception d'un équilibreur de charge de batterie à base du réseau de micro-convertisseurs." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00954170.

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Depuis ces années, le développement de systèmes de stockage d'énergie pour la mobilité électrique avec davantage d'autonomie de durabilité est au cœur des contraintes de développement des véhicules électriques ou hybrides entraînant une émergence de l'utilisation des systèmes de management ainsi que des circuits d'équilibrage. Les travaux de thèse portent sur la conception et la réalisation d'une nouvelle structure d'équilibrage à base du réseau de micro-convertisseurs (RµC) utilisant les matrices de connections ainsi que les stratégies de commande appropriées. L'objectif principal est de conc
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17

Santos, Ildefonso Martins dos. "Prot?tipo de uma unidade com tri-gera??o de energia para utiliza??es remotas: aplica??o de m?dulo secondutivo gerador termoel?trico." Universidade Federal do Rio Grande do Norte, 2007. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15525.

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Made available in DSpace on 2014-12-17T14:57:39Z (GMT). No. of bitstreams: 1 IldefonsoMS.pdf: 1793001 bytes, checksum: 8b7c737ca595a5f30c4e9de306d3fe97 (MD5) Previous issue date: 2007-06-27<br>The generation for termoeletricity is characterized as a solid process of conversion of thermal energy (heat) in electric without the necessity of mobile parts. Although the conversion process is of low efficiency the system presents high degree of trustworthiness and low requisite of maintenance and durability. Its principle is based on the studies of termogeneration carried through by Thomas Seebeck
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18

Zdařil, Tomáš. "Regulátor otáček pro střídavé motory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219772.

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The goal of the thesis was to design and create one-way speed controler for brushless DC motors, that is used in air modeling. The circuit is controlled by the Atmel AVR. As power unit for motor is used Li–pol accumulator. The controller is equipped with BEC to power the receiver and allows monitoring of current consumption and voltage on the accumulator. Measured data can be upload to a PC where they can be displayed by RegulatorPC in graphical form.
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19

Xu, Hang, and 徐杭. "Voltage Balance Method for Reconfigurable Battery Arrays in DC-DC Converter Applications." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/8tde3d.

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碩士<br>國立臺灣大學<br>電機工程學研究所<br>106<br>A voltage balance method for the Reconfigurable Battery Array (RBA) for DC-DC converter applications is proposed in this thesis. For battery modules, due to the inherent varieties between batteries in RBA and the different output/input power of working modes, the voltage imbalance occurs easily. The battery module has three working modes: enable mode, PWM mode, and bypass mode. When the RBA DC-DC converter is operated under discharging/charging state, the battery module in enable mode has the fastest discharging/charging speed, followed by the one in PWM mode
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20

Fan, Ting-Ruei, and 范庭瑞. "Two-stage Interleaved Three-level DC/DC/AC Converter with Neutral Point Potential Balance." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/6b22mv.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>105<br>This thesis proposes a two-stage interleaved three-level DC/DC/AC converter, which consists a three-level interleaved dc/dc boost converter in the first stage, and a three-level neutral-point-clamped (NPC) inverter in the second stage. The boost converter uses three level interleaved topology. The three level topology can reduce the power switches voltage stress compare with traditional boost converter. And interleaving technology can reduce the input current ripple. The drawback of NPC inverter, unbalanced neutral point voltage caused by the zero-sequence com
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21

Yean-KuoLuo and 羅炎國. "Performance Improvement in Current Mode Boost DC-DC Converter by Time-Multiplexing Current Balance Interleaved Topology and Window Transient Enhancement Technique." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/31415203385389132752.

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博士<br>國立成功大學<br>微電子工程研究所碩博士班<br>100<br>In this dissertation, a time-multiplexing current balance (TMCB) current-mode boost converter is proposed to improve the transient performance. In theory, the maximum bandwidth of a boost converter can be set to one-tenth or one-fifteenth of the switching frequency to obtain the best transient performance and stability. However, when the output load, duty ratio, and inductor value are increased, the right-half-plane (RHP) zero moves towards low frequencies, and thus, towards the crossover frequency, ωT. The phase margin and the system stability are influe
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22

Lee, Po-Ching, and 李柏慶. "Ćuk-Type Brushless DC Motor Driver with Battery Balanced Charging." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/55747d.

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碩士<br>國立彰化師範大學<br>電機工程學系<br>102<br>In recent years, the development of the electric motorcycle is growing rapidly. The four 12V series-connected batteries are usually used as the power source in common electric motorcycles. However, due to the differences in each battery, batteries may be overcharged or overdischarged. The charging efficiency would then be reduced as well as the endurance of the electric motorcycle. Moreover, the motor speed would be reduced by the battery voltage drops because the series-connected batteries are directly connected to the drivers in common electric motorcycles.
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23

Chen, Cheng-Heng, and 陳建亨. "Ku-Band Balanced Power Amplifier Using Impedance-Transforming Branch-Line Coupler with DC-Blocking Coupled-Lines." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/06330334961238886934.

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碩士<br>國立交通大學<br>電信工程研究所<br>84<br>Abstract In this project, we demonstrate a modified Ku-band microstrip line impedance -transforming branch-line coupler used for a narrowband balanced power amplifier. In this new coupler design, the original four branches of the coupler are replaced by coupled-lines, and the coupled-lines can be chosen carefully to obtain the necessary low impedance, and use the inherent open characteristic to get the DC-isolations between the four ports. This design not
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24

Liu, Shaoyu. "Evaluation of a simple DC-balanced encoding method for LVDS data transmission over CAT-5 cable." 2002. http://etd.utk.edu/2002/LiuShaoyu.pdf.

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Thesis (M.S.)--University of Tennessee, Knoxville, 2002.<br>Title from title page screen (viewed on Feb. 26, 2003). Thesis advisor: Bruce W. Bomar. Document formatted into pages (x, 98 p. : ill. (some col.)) Vita. Includes bibliographical references (p. 63-64).
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25

Lin, Jeng-Yi, and 林政億. "Design and Implementation of DC Switching Power Conversion and Power Integrity in Prototyping a Load-balanced Birkhoff-von Neumann Switch." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/03082572746777592765.

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碩士<br>國立清華大學<br>通訊工程研究所<br>98<br>Load-balanced Birkhoff-von Neumann switch, known as scalable and theoretical 100% throughput achievable, is widely discussed in many famous international research groups, and we organized a team to realize a prototype of this switch architecture. In this paper,we focus on the efficient power subsystem design to power all the functional modules and power integrity design to restrict jitter effect of this switch prototype. First of all, our power subsystem includes overload fuse protection and hot-swap controller to meet two priority criteria: safety and reliabil
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