Download - Presentation1D 2015 Revision 1 Print
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Module 1D
Simulink Sources and Sinks
Simulink is a time domain simulator MATLAB is numerical engine for Simulink Easy to communicate between Simulink & MATLAB
Import signals to Simulink from MATLAB workspace Export signals from Simulink to MATLAB workspace
Signals easy to combine and observe in Simulink
Dr. M. Lee EdwardsDr. Clinton L. Edwards
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Module 1D 2
Adding an additional source and sink (scope)
2*pi*2e3
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Module 1D 3
Discrete Sine Wave and an Analog Sine Wave
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Module 1D 4
Post Simulation Processing
2*pi*2e3 2 KHz
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Module 1D 5
Simulation configuration Parameters
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Module 1D 6
Run (Simulate) the Model
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Module 1D 7
MATLA
B Com
mand
Wind
ow
>> whoYour variables are:Ts Fs tout yout yout1
>> yout =time: [201x1 double]signals: [1x1 struct]blockName: 'Sim_Test2/To Workspace1'
>> yout.signals=ans =values: [201x1 double]dimensions: 1label: ''
>> close all>> figure(1)>> subplot(2,1,1), plot(yout.time, yout.signals.values)>> hold on>> subplot(2,1,1),stem(yout1.time, yout1.signals.values)>> subplot(2,1,2), plot(yout.time, yout.signals.values)>> hold on>> subplot(2,1,2),plot(yout1.time, yout1.signals.values, 'bo')>> subplot(2,1,2),stairs(yout1.time, yout1.signals.values,'r')
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Module 1D 8
Plots created from Matlab Command windowusing output from Simulink simulation
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Module 1D 9
Scope displays showing analog and discrete signals
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Module 1D 10
Plot Commands entered in StopFcn Callback
StopFcn commandsexecuted aftersimulation stops