input output and state models

... Communication Symbols Plumbing Symbols Architectural symbols Electrical boxes Branch circuits and outlets ...

Ngày tải lên: 05/03/2016, 14:11

... user of the standard The symbols and designations in this standard can depict both hardware and function Sketches and technical papers will usually contain highly simplified symbolism and identification ... preface, footnotes, and appendices is included for information only and is not a part of the standard The instrumentation symbolism and identification techniques described in the standard accommodate ... instructions, and knowledge about measurement and control systems in the process industries This document is a consensus standard rather than a mandatory one As such, it has many of the strengths and the...

Ngày tải lên: 04/04/2013, 12:40

... division, and raising to the power, respectively For addition and subtraction, the array and matrix operations are the same Thus, + and + can be regarded as an array or matrix addition If A1 and B1 ... input arguments, the function statement must list the input arguments For example, function [mean, variance] = data(x,n) will return mean and variance of a vector x of length n (6) The last statement ... to obtain the dot product and the vector product of two vectors a and b Use the function to evaluate the dot and vector products of vectors x and y, where x = (1 6) and y = (2 8) 1.4 Write a...

Ngày tải lên: 23/10/2013, 16:15

... + + 20 = 210 3.4 INPUT/ OUTPUT COMMANDS MATLAB has commands for inputting information in the command window and outputting data Examples of input/ output commands are echo, input, pause, keyboard, ... jump to statement group without executing statement groups 1, and • The if-else statement allows one to execute one set of statements if a logical expression is true and a different set of statements ... the statement that follows the end statement • The general form of a nested if statement is if logical expression statement group if logical expression statement group end statement group end statement...

Ngày tải lên: 27/10/2013, 23:15

... window can be obtained using the ginput command There are two forms of the command: [x y] = ginput [x y] = ginput(n) • • © 1999 CRC Press LLC [x y] = ginput command allows one to select an unlimited ... command holds the current plot on the screen, and inhibits erasure and rescaling Subsequent plot commands will overplot on the original curves The hold command remains in effect until the command ... the commands loglog, semilogx, and semilogy The use of the above plot commands is similar to those of the plot command discussed in the previous section The description of these commands are...

Ngày tải lên: 27/10/2013, 23:15

... CHAPTER SIX AC ANALYSIS AND NETWORK FUNCTIONS This chapter discusses sinusoidal steady state power calculations Numerical integration is used to obtain the rms value, average power and quadrature power ... analyzed by converting the circuits into the frequency domain and by using the Kirchoff voltage and current laws The unknown voltages and currents are solved using matrix techniques Given a network ... sinusoidal, that is, i (t ) and voltage v (t ) are both v (t ) = Vm cos( wt + θV ) (6.6) i (t ) = I m cos( wt + θI ) (6.7) and the rms value of the voltage Vrms = Vm and that of the current is...

Ngày tải lên: 06/11/2013, 09:15

... compute the state derivative vector • x ( t ) given the current time t, and state vector x ( t ) The function must have input arguments, scalar t (time) and column vector x (state) and the function ... and all inputs are known for times greater than t , one can calculate the output of the system for times greater than t In general, if we designate x as the state variable, u as the input, and ... ( t ) we can express the output y (t ) in terms of the state x (t ) and input u(t ) as y( t ) = Cx ( t ) + Du( t ) where © 1999 CRC Press LLC (5.30) [ ] D = [0] C = 0 and (5.31) In RLC circuits,...

Ngày tải lên: 06/11/2013, 09:15

... the command V = inv (Y ) * I (4.4) where inv (Y ) is the inverse of matrix Y The matrix left and right divisions can also be used to obtain the nodal voltages The following MATLAB commands can ... Press LLC (4.10) % given the admittance matrix Y and current vector I % Y is the admittance matrix and I is the current vector % initialize matrix y and vector I using YV=I form Y = [ 0.15 -0.1 -0.05; ... 1)] (4.47) The output vector diff ( f ) will be one element less than the input vector f The find function determines the indices of the nonzero elements of a vector or matrix The statement B =...

Ngày tải lên: 06/11/2013, 09:15

... network V1 - V2 - Figure 7.1 General Two-Port Network I and V1 are input current and voltage, respectively Also, I and V2 are output current and voltage, respectively It is assumed that the linear ... describing equations are I = y11V1 + y12V2 (7.12) I = y 21V1 + y 22V2 (7.13) where V1 and V2 are independent variables and I and I are dependent variables In matrix form, the above equations can be rewritten ... h-parameters are V1 = h11 I + h12V2 (7.25) I = h21 I + h22V2 (7.26) where I and V2 are independent variables and V1 and I are dependent variables In matrix form, the above two equations become...

Ngày tải lên: 13/12/2013, 01:15

... window can be obtained using the ginput command There are two forms of the command: [x y] = ginput [x y] = ginput(n) • • © 1999 CRC Press LLC [x y] = ginput command allows one to select an unlimited ... command holds the current plot on the screen, and inhibits erasure and rescaling Subsequent plot commands will overplot on the original curves The hold command remains in effect until the command ... 3-D plots, and bar charts MATLAB also allows one to give titles to graphs, label the x- and y-axes, and add a grid to graphs In addition, there are commands for controlling the screen and scaling...

Ngày tải lên: 19/01/2014, 20:20

... division, and raising to the power, respectively For addition and subtraction, the array and matrix operations are the same Thus, + and + can be regarded as an array or matrix addition If A1 and B1 ... explore the characteristics of semiconductor devices and the application of MATLAB for analysis and design of electrical and electronic circuits and systems Organization The book is divided into ... using MATLAB, and electronics applications with MATLAB It is recommended that the reader work through and experiment with the examples at a computer while reading Chapters 1, 2, and The hands-on approach...

Ngày tải lên: 19/01/2014, 20:20