introduction to network design
Chapter 15 introduction to the design of electric machinery
... similar to the stator backiron The inert region (radii from rrs to rri) mechanically transfers torque from the rotor backiron to the shaft It is often just a continuation of the rotor Stator Backiron ... radius, rrb—the rotor backiron radius, rrg—the rotor air-gap radius, rst—the stator tooth inner radius, rsb—the stator backiron inner radius, and rss—the stator shell radius A stator shell, if present, ... of design, it will be convenient to introduce the tooth fraction αt and tooth tip fraction αtt The tooth fraction is defined as the angular fraction of the slot/tooth region occupied by the tooth...
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CS682-Network Security: Module-1 Introduction to Network Security pdf
... vulnerabilities in network protocols and services Mechanisms to protect networks Security tools Overview of This Course TCP/IP Suite Vulnerabilities and solutions Security protocols built on top of TCP/IP ... into a computer network to eavesdrop on computers in the network Sniffing requires physical access to network medium It is a passive activity, in that sniffing doesn’t introduce new packets into ... response to ping Improper response to ARP queries Improper response to DNS queries Source routing to suspicious node Employing a honeypot Network latency monitoring Time-domain reflectometers...
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an introduction to network modeling and simulation for the practicing engineer
... (MIT) OPNET Modeler is designed to either evaluate changes to existing networks or to design proprietary protocols Furthermore, OPNET contains detailed models of specific network equipment OPNET ... employ M&S? What are the most appropriate M&S tools to employ? While networking technologies continue to evolve rapidly, so too M&S tools intended to evaluate their performance The M&S landscape ... always better! Tools should be flexible enough to provide the simulation designer with knobs to turn such that the user can customize the experiment as necessary However, too many customizable features...
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an introduction to network programming with java
... BorderLayout.CENTER); buttonPanel = new JPanel(); timeButton = new JButton("Get date and time "); timeButton.addActionListener(this); buttonPanel.add(timeButton); exitButton = new JButton("Exit"); exitButton.addActionListener(this); ... seekButton = new JButton("Seek server ports "); seekButton.addActionListener(this); buttonPanel.add(seekButton); exitButton = new JButton("Exit"); exitButton.addActionListener(this); buttonPanel.add(exitButton); ... Mail Transfer Protocol.) HyperText Transfer Protocol (the World Wide Web protocol) Usenet (Network News Transfer Protocol.) www.it-ebooks.info 1.5 TCP A URL (Uniform Resource Locator) is a unique...
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2007 - introduction to network programming with java (springer)
... BorderLayout.CENTER); buttonPanel = new JPanel(); timeButton = new JButton("Get date and time "); timeButton.addActionListener(this); buttonPanel.add(timeButton); exitButton = new JButton("Exit"); exitButton.addActionListener(this); ... add(report,BorderLayout.CENTER); buttonPanel = new JPanel(); seekButton = new JButton("Seek server ports "); seekButton.addActionListener(this); buttonPanel.add(seekButton); exitButton = new JButton("Exit"); exitButton.addActionListener(this); ... is to keep playing the sound/video without An Introduction to Network Programming with Java interruption In addition, it is possible to build error-checking code into the UDP data streams to...
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introduction to the design & analysis of algorithms
... Vice President and Editorial Director, ECS Editor-in-Chief Acquisitions Editor Editorial Assistant Vice President, Marketing Marketing Manager Senior Marketing Coordinator Marketing Assistant ... as the answer and stop; otherwise, proceed to Step Step Divide m by n and assign the value of the remainder to r Step Assign the value of n to m and the value of r to n Go to Step Alternatively, ... there is no known satisfactory algorithm Therefore to use the language of a famous proverb—learning such techniques is akin to learning 12 Introduction to fish as opposed to being given a fish caught...
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Introduction to digital design using digilent FPGA boards
... Computer-aided design tools are used to both simulate the Verilog or VHDL design and to synthesize the design to actual hardware This book assumes no previous knowledge of digital design We use ... in new designs a new approach to digital design became necessary Computer-aided tools are essential to designing digital circuits today What has become clear over the last decade is that today’s ... higher-level digital design This higher-level design can then be compiled to produce its corresponding Verilog code This hierachical block diagram editor will make it easy to design top-level designs Sometimes...
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Introduction to Optimum Design phần 1 pdf
... trial designs one after another until an acceptable design is obtained The concept of trial designs is important to understand In the design process, the designer INTRODUCTION TO OPTIMUM DESIGN ... design satisfactory? Yes Stop No Change design based on experience/heuristics FIGURE 1-2 Comparison of conventional and optimum design processes (A) Conventional design process Introduction to ... Introduction to Optimum Design Introduction to Optimum Design Second Edition Jasbir S Arora The University of Iowa Amsterdam Boston Heidelberg London New York Oxford...
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Introduction to Optimum Design phần 2 pdf
... the objective function is to be minimized, the contours are also called iso-cost curves To plot a contour through the feasible region, we need to assign it a value To obtain this value, consider ... of a design problem may not be linear, in which case curves must be plotted to identify the feasible region, and contours or iso-cost curves must be drawn to identify the optimum design To plot ... Mathematica command used to plot the contour of a function, say g1 = 0, is entered as Plotg1=ContourPlot[g1,{x1,0,25},{x2,0,25}, ContourShadingÆFalse, ContoursÆ{0}, ContourStyleÆ{{Thickness[.01]}},...
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Introduction to Optimum Design phần 3 pptx
... we select ej > 144 INTRODUCTION TO OPTIMUM DESIGN in Eq (4.53) When a constraint is relaxed, the feasible set for the design problem expands We allow more feasible designs to be candidate minimum ... subject to x1 + x2 - £ INTRODUCTION TO OPTIMUM DESIGN 4.66 Minimize f(x1, x2) = (x1 - 1)2 + (x2 - 1)2 subject to x1 + x2 - £ x1 - x2 - ≥ 4.67 Minimize f(x1, x2) = (x1 - 1)2 + (x2 - 1)2 subject to ... 4-21 Several cost function contours are shown 134 INTRODUCTION TO OPTIMUM DESIGN x2 –7 –5 –3 –1 D g A D f –4 –3 –2 –1 x1 –1 D f B D g g=0 –2 –3 Cost function contours –4 FIGURE 4-21 Graphical...
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Introduction to Optimum Design phần 4 pdf
... corresponds to point C 238 INTRODUCTION TO OPTIMUM DESIGN 6.5.3 Ranging Cost Coefcients If a cost coefcient ck is changed to ck + Dck, we like to nd an admissible range on Dck such that the optimum design ... 1 x1 + x + x = 28 14 (c) subject to 214 INTRODUCTION TO OPTIMUM DESIGN TABLE 6-11 Solution of Example 6.8 by the Simplex Method Initial tableau: x4 is identied to be replaced with x2 in the basic ... it gives the designer options; any suitable point on the straight line joining the two optimum designs can be selected to better suit the needs of the designer Note that all optimum design points...
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Introduction to Optimum Design phần 5 pptx
... vector; and c is the gradient vector at x* According to the above property, vectors c and T are normal to each other, i.e., their dot product is zero, c ã T = 310 INTRODUCTION TO OPTIMUM DESIGN ... functional form of f(a) is known, it may be too complicated to lend itself to analytical solution Therefore, a numerical method must be used to nd ak to minimize f(x) in the known direction d(k) ... vector: f ẩ f f c = f = x n ẻ x1 x T (8.18) To simplify the notation, we shall use vector c to represent gradient of the cost function f(x); that is, ci = f/xi We shall use a superscript to...
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Introduction to Optimum Design phần 6 potx
... related to its total mass Since mass is proportional to the material volume, the objective of this project is to design a minimum volume girder and at the same time satisfy requirements of the AASHTO ... , xn), a design variable vector of dimension n, to minimize a cost function f = f(x) subject to equality constraints hi(x) = 0, i = to p and inequality constraints gi(x) Ê 0, i = to m 11.1 Potential ... constraints are entered under the Subject to the Constraints FIGURE 10-16 Solver dialog box and spreadsheet for plate girder design problem 372 INTRODUCTION TO OPTIMUM DESIGN heading The constraints include...
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Introduction to Optimum Design phần 7 pot
... PLOT/NO CONTINUE IDESIGN DISPLAY THE DATA HELP THE USER STOP IDESIGN NO = COST HISTORY NO = CONVERGENCE PARAMETER HISTORY NO = MAX CONSTRAINT VIOLATION HISTORY NO = DESIGN VARIABLES HISTORY NO = CONSTRAINTS ... final design of the system 466 INTRODUCTION TO OPTIMUM DESIGN The idea of design variable linking is useful to reduce the number of design variables in an optimization model If one of the design ... process toward the optimum point Histories of design variables These can be used to observe the trend in design variables and possibly used to extrapolate their values Constraint function histories...
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Introduction to Optimum Design phần 8 pot
... of the design vector; i.e., it represents the value of a particular design variable Design Representation A method is needed to represent design variable values in the allowable sets and to represent ... is an operator where an old design (D-string) is copied into the new population according to the designs tness There are many different strategies to implement this reproduction operator This is ... feasible set S} 546 INTRODUCTION TO OPTIMUM DESIGN FIGURE 17-4 Illustration of Pareto optimal set and utopia point in the criterion space The feasible points in the design space map onto a set of points...
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Introduction to Optimum Design phần 9 ppsx
... useful to divide vectors and matrices into a smaller group of elements This can be done by partitioning the matrix into smaller rectangular arrays called submatrices and a vector into subvectors ... subject to x1 x - 700 ≥ x - x12 125 ≥ 590 INTRODUCTION TO OPTIMUM DESIGN Ê x1 x ˆ - c x3x Ë 2000 ¯ 2 ( x - 50) - 5( x1 - 55) ≥ 0 £ x1 £ 75, £ x £ 65 where the parameters (bi, ci) (i = to 8) are ... present worth factor (uspwf) to convert the annual cost to its present value The single payment present worth factor (sppwf) is used to convert the salvage value to its present worth Therefore,...
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Introduction to Optimum Design phần 10 ppsx
... 585–588 stochastic methods, 572–579 two local-global stochastic methods, 579–585 Design, introduction to, 1–14 basic terminology and notation, 7–14 conventional versus optimum design process, 4–6 design ... Answers to Selected Problems Chapter 12 Introduction to Optimum Design with MATLAB 12.1 For l = 0.5 m, To = 10 kN◊m, Tmax = 20 kN◊m, x* = 103 mm, x* = 0.955, f* = 2.9 kg 12.2 For l = 0.5, To = 10 ... NDV = NO OF DESIGN VARIABLES NOC = NO OF CYCLES OF THE METHOD X = DESIGN VARIABLE VECTOR D = DIRECTION VECTOR G = GRADIENT VECTOR H = HESSIAN MATRIX WK = WORK ARRAY USED FOR TEMPORARY STORAGE ...
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Introduction to e design
... employed in design modification to assign qualitative weighting factors to product performance and design changes e -Design employes a systematic and quantitative approach to design modifications (for ... increment is needed to achieve the required performance Rapid Prototyping When the design is finalized through virtual prototyping, rapid prototyping is used to fabricate a physical prototype of the ... early design stage when the product is not very well understood Consequently, engineering changes are frequently requested in later product Figure 1.1: The design paradox Introduction to e-Design...
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Introduction to Digital Signal Processing and Filter Design
... INTRODUCTION TO DIGITAL SIGNAL PROCESSING AND FILTER DESIGN INTRODUCTION TO DIGITAL SIGNAL PROCESSING AND FILTER DESIGN B A Shenoi A JOHN WILEY & SONS, ... transistors were introduced and filters were designed without inductors to realize the transfer functions The design procedure was much simpler, and device technology also was improved to fabricate ... problems is to help the students understand the theory There are a few topics that are either too advanced for a junior-level course or take too much of class time Examples of such topics are...
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Introduction to Digital Signal Processing and Filter Design - Introduction
... transistors were introduced and filters were designed without inductors to realize the transfer functions The design procedure was much simpler, and device technology also was improved to fabricate ... telephone networks for many decades of the nineteenth and twentieth centuries When the vacuum tubes and bipolar junction transistors were developed, the design procedure had to be changed in order to ... using complementary metal oxide semiconductor (CMOS) transistors They used no resistors and inductors, and the whole circuit was fabricated by the 20 INTRODUCTION very large scale integration...
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