... capacitors and the driver electronics The philosophy of UPEC cell is to design a standard PEBB cell, which is capable of implementing different kind of operation modes This thesis studies the effect of ... 1.6: Topology of soft-switching UPEC cell: DC/DC operation 1.4 Scope of Thesis The main focus of this thesis is to look into design of UPEC cell for AC/DC operation Since the idea of UPEC requires ... of basic UPEC cell: AC/DC operation Topology of basic UPEC cell: DC/AC operation Topology of soft-switching UPEC cell: DC/DC operation 2 2.1 2.2 2.3 2.4 2.5 2.6 Dataflow graph of...
Ngày tải lên: 29/09/2015, 12:52
... units Standardization of cells and their connectivity will lead to reduction of engineering costs in power electronic systems Once standardized and produced in large numbers, the cost of this cells ... programming flow chart and the comparison of simulated and experimental results of the cell Chapter and Chapter form control part of the thesis These two chapters analyze the possibilities of building the ... They are open plug and play architecture, cellular design, hierarchical design, integration, and concurrent engineering 2.3.1 Plug and Play Power The idea of an open plug and play architecture...
Ngày tải lên: 29/09/2015, 12:55
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...
Ngày tải lên: 06/09/2012, 15:56
SAP2000 Integrated Finite Elements Analysis and Design of Structures
... and all associated documentation are proprietary and copyrighted products Worldwide rights of ownership rest with Computers and Structures, Inc Unlicensed use of the program or reproduction of ... 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 ... ASSUMPTIONS OF THE PROGRAM AND MUST INDEPENDENTLY VERIFY THE RESULTS Table Of Contents A Introduction B Description of Building Model C Tutorial Part - Creating, Analyzing and Designing...
Ngày tải lên: 06/09/2012, 15:56
Analysis and design of control systems using MATLAB
... the magnitude of the sensitivity-function is made arbitrarily small 1.8 CONTROL SYSTEM ANALYSIS AND DESIGN OBJECTIVES Control systems engineering consists of analysis and design of control systems ... general areas of analysis and design of feedback control systems have influenced the format of this book I would also like to thank and recognize all the undergraduate students in mechanical and electrical ... sensitivity of the ratio of output to input for variations in system characteristics and other parameters (c) Reduced effects of nonlinearties and distortion (d) Increased bandwidth (bandwidth of a...
Ngày tải lên: 01/01/2014, 18:43
Tài liệu bruhn analysis and design of flight vehicles structures pptx
Ngày tải lên: 13/02/2014, 20:20
SMART GRID Fundamentals of Design and Analysis doc
... resources and renewable energy resources Handle stochastic demand and respond to smart appliances Provide self-correction, reconfiguration, and restoration Handle randomness of loads and market ... issues of variability and probability distribution functions, followed by a discussion of storage technologies, capabilities, and configurations Demand side managemen (DSM) and demand response, ... energy management, increased pricing options and demand response, reduction of total energy cost and consumption, and reduction of the environmental impacts of electric power consumption 1.10.2 Government...
Ngày tải lên: 23/03/2014, 08:21
QUASILINEAR CONTROL: Performance Analysis and Design of Feedback Systems with Nonlinear Sensors and Actuators pot
... turns out, Na and Ns are functions of the standard deviations, σu and σy , of u and y, respectively, that is, ˆ ˆ ˆ ˆ Na = Na (σu ) and Ns = Ns (σy ) Therefore, we refer to the system of Figure 0.2 ... from the point of view of design; both wide and narrow sense design problems are considered (problems P2 and P3) Chapter addresses the issues of performance recovery (problems P4 and P5) Finally, ... statistics of u(t) and y(t) ˆ ˆ The LC approach assumes the reduction of the original LPNI system to that of Figure 1.2(b) and then rigorously develops methods for closed loop system analysis and design...
Ngày tải lên: 23/03/2014, 15:20
Báo cáo Y học: Synthesis, conformational analysis and biological activity of cyclic analogs of the octadecaneuropeptide ODN Design of a potent endozepine antagonist pot
... the analysis of the calculated structures revealed a short distances between NH of Leu7 and the side chain carboxyl group of the Asp6 residue (< 0.28 nm), and NH of Leu7 residue and C¼O of Leu5 ... vicinity of cultured cells provoked a wave of calcium in the cytoplasm of astrocytes (Fig 3A) while ejection of culture medium alone had no effect (Fig 3B) Comparison of the amplitude of the response ... [38,39] Analysis of hydrogen bonds and dihedral angles (F, C) for the average structures generated from members of cis and trans family of cyclo128 [D -Leu5]OP showed that the residues of the cis and...
Ngày tải lên: 24/03/2014, 04:21
bruhn analysis and design of flight vehicles structures 2008 docx
Ngày tải lên: 28/03/2014, 18:20
SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures GETTING STARTED doc
... unmatched in terms of ease -of- use and productivity Creation and modification of the model, execution of the analysis, and checking and optimization of the design, and production of the output are ... definition of the SAP2000 model and the results of analysis and design can be viewed and saved in many different ways, including: Two- and three-dimensional views of the model Tables of values ... it: An analysis section” used in the previous analysis, and A design section” resulting from the current design The design section becomes the analysis section for the next analysis, and the...
Ngày tải lên: 01/04/2014, 03:20
the design and analysis of spatial data structures - hanan samet
Ngày tải lên: 17/04/2014, 09:16
Analysis and design of information system 2008
... Life Cycle—Steps in Analysis and Design The purpose of this chapter is to build on the Tiers of Software Development and to provide a framework for the life cycle of most software development ... Application Design Database Design Network Design Outline System Design Audit & Control Design Back-up & Recovery Design Transition Design Final System Design Build Figure 2.1 Barker’s iterative design ... gather previous analysis and design materials and documents that may exist and explain user requirements; discuss types of agendas and length of sessions; focus on specific requirements of certain...
Ngày tải lên: 13/05/2014, 19:21
practical guide to the packaging of electronics thermal and mechanical design and analysis
... Chapter where At and Aj are the areas of surfaces i and j, respectively, and /? ,and Pj axe the angles between the position-dependent normal vectors to surfaces i and j and a line of length r connecting ... Marcel Dekker, Inc All Rights Reserved Chapter 30 Table 3.5 The Dimensions and Properties Used Station Standoff Standoff Standoff Length 0.75 0.50 0.25 Area 0.05 0.05 0.05 K Air R Air L Air Air 2-1 ... GROUPS Most often results of engineering research and works in fluid flow and heat transfer are expressed in terms of nondimensional numbers It is important to develop a good understanding of these...
Ngày tải lên: 03/06/2014, 01:25
SAP2000 - Three Dimensional Static and Dynamic Finite Element Analysis and Design of Structures
... Comprehensive Software for the Finite Element Modeling, Static, Dynamic and Non-Linear Analysis and Design of Structures Introduction Powerful and Integrated Structural Analysis and Desi gn Software ... Extensive Analysis Capabilities Static and/ or dynamic response spectrum analysis • P-delta analysis with either static or dynamic analysis • Blocked active column equation solver • Automated fast profile ... Bridge Analysis Bridge Analysis Moving load analysis • Generation of influence lines and forces envelopes • AASHTO vehicle loads • SAP2000 • User-defined truck, lane and train loads Bridge Analysis...
Ngày tải lên: 11/06/2014, 03:16
Báo cáo hóa học: " Research Article Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks" doc
... here of fixed length (i.e., independent of the number of sensors in the BSN) and contains two new fields for specific energy-saving purposes, the modulation and coding scheme (MCS) and length of the ... Daly, A Chandrakasan, and W Dehaene, “Energy efficiency of the IEEE 802.15.4 standard in dense wireless microsensor networks: modeling and improvement perspectives,” in Proceedings of the IEEE Design ... essential for the understanding of the new energy-saving enhancements and energy-efficient theoretical analysis proposed in this paper The introduction of the Distributed Queuing Random Access Protocol...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Design and Analysis of Nanotube-Based Memory Cells" ppt
... Lett (2008) 3:416–420 design can be employed as memory cells We also develop a continuum model in this paper to analyze the proposed NEMS memory cell design Design of Memory Cells Figure illustrates ... inner tube and the outer tube It has demonstrated the mechanism of this memory cell as DRAM, which has a frequency of 6.75 GHz In addition, Fig shows the configurations of this memory cell at different ... Lett (2008) 3:416–420 that the designed device can be utilized as SRAM and DRAM In this paper, the design and analysis procedure can be extended for other NEMS designs Acknowledgment The authors...
Ngày tải lên: 22/06/2014, 01:20
Báo cáo hóa học: " Research Article Design and Analysis of the First BOWS Contest" potx
... the contest has been designed and analyzes the general progress of the attacks during the two phases composing the contest itself DESIGN OF THE CONTEST The general form of the contest was conceived ... Thanks to this modification and to the growing advertisement of the contest, the number of participants and uploaded attacked images increased alot At the end of the first phase of the contest, 72074 ... following results: PSNR of the image Strawberry = 39.67 dB, PSNR of the image Wood Path = 39.65 dB, and the PSNR of the image Church = 38.45 dB By analyzing the hall of fame at the end of the first phase,...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Editorial Novel Techniques for Analysis and Design of Cross-Layer Optimized Wireless Sensor Networks" docx
... terms of the lifetime of the network The particular application they have in mind is the sensing of a binary event by sensors that are errorprone, and also communicate with each other and a central ... long links to an increase of the connectivity of WSNs and hence the potential design of energy-optimized MAC (via the energy detection threshold) and routing (via the reliability threshold) protocols ... networks” and is a fine example of how an improved modeling of the network can alter our perception of what its optimal operation should be In particular, the authors focus on the construction of backbones...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Analysis and Design of Timing Recovery Schemes for DMT Systems over Indoor Power-Line Channels" pdf
... has a twofold origin: the short-term variations of the channel response and the jitter of the sampling process [8] Uncompensated cyclic shortterm variations of the channel, with harmonics of 50 ... indoor scenarios: 12 in an apartment of about 80 m2 and 12 in a detached house of about 300 m2 A statistical characterization of the frequency responses and the noise instantaneous power spectral ... in the channel of Figures and for a frequency error of 20 ppm c e j(π/N)kθ LFEQk + U c,k LFEQk , (14) where H ,k denotes the frequency response of the channel at the frequency of carrier k during...
Ngày tải lên: 22/06/2014, 20:20