Pem fuel cell stack modeling and design of DC DC converter for fuel cell energy system
Pem fuel cell stack modeling and design of DC DC converter for fuel cell energy system
... PEM FUEL CELL STACK MODELING AND DESIGN OF DC/ DC CONVERTER FOR FUEL CELL ENERGY SYSTEM KONG XIN (M.Eng., XJTU, P.R.China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... the fuel cell stack modelling, the other aim of the research is to design a proper DC/ DC converter for fuel cell based power supply After comparison and discussion of possible candidates of DC/ DC ... Survey of DC/ DC Converters 5.1 Requirements of the Selection of DC/ DC Converter Topology 5.2 Survey of DC/ DC Converter Topologies 5.2.1 Voltage-fed DC/ DC Converter Topologies...
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Báo cáo hóa học: "Modeling and Design of Fault-Tolerant and Self-Adaptive Reconfigurable Networked Embedded Systems" pot
... hardware and software tasks; (ii) techniques and overhead analysis for migration of hardware and software tasks between nodes in a network; and finally (iii) morphing of the implementation style of ... Institute of the FriedrichAlexander University Erlangen-Nuremberg holding the Chair of Hardware-Software Codesign He has been a Member of multiple program committees of well-known conferences and workshops ... Hardware/software Hardware/software task migration morphing ARCHITECTURE AND OPERATING SYSTEM INFRASTRUCTURE All previously mentioned mechanisms for establishing a fault-tolerant and self-adaptive reconfigurable...
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Modeling and design of symmetrical six port waveguide junction for six port reflectometer application
... performance can be achieved when the ports of six- port symmetrical junction and directional coupler are matched and also the odd ports of the six- port symmetrical junction are isolated from each other ... when designing a symmetrical six- port waveguide junction 1-2 Project Objectives In this project, we concentrate on the design of a matched symmetrical six- port waveguide junction Another major design ... the design of a symmetrical six- port waveguide junction as the key-component of a six- port reflectometer 2-2 Eigenmode Formulation As shown in the top and side views of Figure 2-1(a) and (b) respectively,...
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Design, modeling and fabrication of thermal actuated micromirror for fine tracking mechanism of high density optical data storage
... DESIGN, MODELING AND FABRICATION OF THERMAL ACTUATED MICROMIRROR FOR FINE- TRACKING MECHANISM OF HIGH- DENSITY OPTICAL DATA STORAGE DENG XIAOCHONG (B Eng., Huazhong Univ of Sci & Tech, ... micromirror for fine- tracking mechanism of high- density optical data storage International Journal of Computational Engineering Science, Vol 4, No 2, pp.413-416 2003 J P Yang, X C Deng and T C Chong ... 3-1: Fine- tracking optical disk drive 20 Fig 3-2: Schematic plot of thermal actuated micromirror as a fine tracking device in ODS 20 Fig 3-3: The structure of the thermal...
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Báo cáo hóa học: " Research Article Analysis and Design of Timing Recovery Schemes for DMT Systems over Indoor Power-Line Channels" pdf
... D´ez, E Martos, F J Ca˜ ete, and J T Ene ı n trambasaguas, Analysis of timing recovery schemes for DMT systems over indoor power-line channels,” in Proceedings of the 49th Annual IEEE Global ... performance of a conventional DMT timing recovery scheme designed for LTI channels has been assessed when employed over indoor power lines The two main causes that limit the performance of the conventional ... Afterwards, the effect of the cyclic changes in the channel over the outputs of the phase estimator and the loop filter is identified and the performance of the overall timing recovery scheme is assessed...
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Exact BER analysis and design of prerake combining schemes for direct sequence ultra wideband multiple access systems
... EXACT BER ANALYSIS AND DESIGN OF PRERAKE COMBINING SCHEMES FOR DIRECT SEQUENCE ULTRA- WIDEBAND MULTIPLE ACCESS SYSTEMS CAO WEI (B Eng, M Eng) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... estimation For the first time, the analytical signal model of Prerake DS UWB multiple access systems is presented Then we analyze the BER performance and the multiple access performance of the proposed ... DS PAM UWB and DS PPM UWB systems are accurately compared based on the exact BER formula derived Chapter is devoted to describe the design and analysis of a Prerake DS UWB multiple access system...
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Electromagnetic analysis and design of semiconductor qubit structures for the realization of the quantum computer
... 20 nm, y = 0, and z = 50 nm 78 Figure 6.1 The proposed coplanar A-gate structures for the realization of the semiconductor quantum computer based on the nuclear spin of a phosphorus ... resonance with the RF field V0 is applied on the A-gate of the qubit and other qubits are left unexcited The discovery of quantum mechanics showed the potential ability in manipulating information ... electromagnetic analysis of silicon quantum bits used in realization of a scalable solid state quantum computer The scope of this thesis is first, to formulate the second order perturbation theory to...
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Numerical modeling and experiments on sound propagation through the sonic crystal and design of radial sonic crystal
... for the design of radial sonic crystal is presented Chapter presents the experiments and simulations performed to test the design of radial sonic crystal 1.5 Original contribution of the thesis ... All the applications of the sonic crystal are primarily based on the prediction of the band gap The band gap is characterized by the position (center frequency) and the width of the band gap There ... NUMERICAL MODELING AND EXPERIMENTS ON SOUND PROPAGATION THROUGH THE SONIC CRYSTAL AND DESIGN OF RADIAL SONIC CRYSTAL ARPAN GUPTA (B-Tech Indian Institute of Technology Delhi) A THESIS...
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Modeling and simulation of cell adhesion and detachment
... MODELING AND SIMULATION OF CELL ADHESION AND DETACHMENT SUN LU (B Eng., FDU China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF MATERIALS SCIENCE AND ENGINEERING ... develop a better understanding of the mechanics and kinetics of cell adhesion and detachment, this thesis presents three major contributions, namely: Development of a cell system model to explain ... Structures and Functions of Cell As the basic unit of life, the cell is a biologically complex system [49] There are two types of cells: prokaryotic and eukaryotic Prokaryotic cells, such as archaea and...
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Analysis and design of power electronic cell for modular power electronic systems AC DC operation
... of AC/ DC mode (Output inductance Lout of DC /AC mode): Lin = 6.74mH • Input capacitance of AC/ DC mode (Output capacitance Cout of DC /AC mode): Cin = 3.76uF • DC capacitor: Cdc = 600uF For AC/ DC ... relationship omitted for AC/ DC operation This capacitor block will be added to standard cell if the cell works in DC /AC mode Hence, the following parameter for UPEC AC/ DC and DC /AC operation are adopted: ... cell (UPEC) The philosophy of UPEC is to design standard cells, which can implement any of converter operation modes such as AC/ DC, AC/ AC, DC /AC and DC/ DC in single phase, paralleled phases and...
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Analysis and design of power electronic cell for modular power electronic systems DC AC converter configurations
... “Plug-n-Play” using standard cells 1.2.2 Conceptual Design of A Universal Power Electronic Cell Power electronic converters can be broadly classified as DC/ DC, DC/ AC, AC /DC and AC/ AC converters We can ... applications: a )DC to AC inverter, b )AC to DC converter, c )DC to AC motor controller, d )AC to DC 18 boost converter and e )DC to DC boost converter PEBB-2, the second phase focuses on developing and defining ... concerns for 33 Motor Filter AC /DC DC /AC Load Rec & Filter AC Power Supply DC/ DC Filter DC/ AC Motor DC Power Distribution Bus Figure 2.9: A PEBB-based Distributed Power System [5] the DPS, because each...
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Modeling and optimization of microbial fuel cells
... 1.3 Microbial Fuel Cells ……………………………………………………………….2 1.4 Microbial Fuel Cells for wastewater treatment and energy recovery ……………… Chapter : Literature Review 2.1 Principle of a Microbial ... 22 2.4 Microbial Fuel Cell Modeling …………………………………………………… 22 Chapter : Theoretical developments 24 3.1 Modeling of our Microbial Fuel Cells …………………………………………….24 3.1.1 Description of a ... Microbial Fuel Cell…………………………………………………… 2.2 Characterization of Microbial Fuel Cells ………………………………………… 2.2.1 Voltages 2.2.2 Internal resistance 14 2.3 Microbial Fuel Cells...
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SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
... used in the analysis The message in Figure 37 indicates that the analysis and design sections are different The goal is to repeat the analysis and design process until the analysis and design sections ... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure button, to start the steel frame design process The program designs ... the analysis is complete, click the OK button to close the analysis window Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of...
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SAP2000 Integrated Finite Elements Analysis and Design of Structures
... Copyright Computers and Structures, Inc., 1978-1997 The CSI Logo is a registered trademark of Computers and Structures, Inc SAP2000 is a registered trademark of Computers and Structures, Inc Windows ... Group Name ROOF 2ND COLS FRCOLS BRCOLS BRACE1 BRACE2 FRMGIRD BASE Description All roof level joints, frame elements and shell elements All second level joints, frame elements and shell elements All ... trademark of Microsoft Corporation DISCLAIMER CONSIDERABLE TIME, EFFORT AND EXPENSE HAVE GONE INTO THE DEVELOPMENT AND DOCUMENTATION OF SAP2000 THE PROGRAM HAS BEEN THOROUGHLY TESTED AND USED...
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