Learning with Labview

784 Pages·2015·23.37 MB·English

by  Robert H Bishop

Learning with
LabVIEWTM
This page intentionally left blank
Learning with
LabVIEW
TM
Robert H. Bishop
MarquetteUniversity
UpperSaddleRiver Boston Columbus SanFrancisco NewYork
Indianapolis London Toronto Sydney Singapore Tokyo Montreal
Dubai Madrid HongKong MexicoCity Munich Paris Amsterdam CapeTown
VicePresidentandEditorialDirector,ECS:MarciaJ.Horton
AcquisitionsEditor:NorrinDias
EditorialAssistant:SandraRodriguez
SeniorManagingEditor:ScottDisanno
ProcurementManager:MaryFischer
SeniorSpecialist,ProgramPlanning&Support:MauraZaldivar-Garcia
ProductMarketingManager:BramvanKempen
FieldMarketingManager:DemetriusHall
MarketingAssistant:JonBryant
CoverDesign:NationalInstruments
Composition:JouveIndia
LabVIEWisatrademarkofNationalInstruments.
MATLABisaregisteredtrademarkofTheMathWorks,3AppleHillDrive,Natick,MA01760-2098.
Companyandproductnamesmentionedhereinarethetrademarksorregisteredtrademarksoftheirrespective
owners.
Copyright (cid:2)c 2015 by Pearson Education, Inc., Upper Saddle River, New Jersey 07458. All rights
reserved. Manufactured in the United States of America. This publication is protected by Copyright and
permissionsshouldbeobtainedfromthepublisherpriortoanyprohibitedreproduction,storageinaretrieval
system,ortransmissioninanyformorbyanymeans,electronic,mechanical,photocopying,recording,or
likewise.Toobtainpermission(s)tousematerialsfromthiswork,pleasesubmitawrittenrequesttoPearson
HigherEducation,PermissionsDepartment,1LakeStreet,UpperSaddleRiver,NJ07458.
Theauthorandpublisherofthisbookhaveusedtheirbesteffortsinpreparingthisbook.Theseeffortsinclude
thedevelopment,research,andtestingofthetheoriesandprogramstodeterminetheireffectiveness.The
authorandpublishermakenowarrantyofanykind,expressedorimplied,withregardtotheseprograms
orthedocumentationcontainedinthisbook.Theauthorandpublishershallnotbeliableinanyeventfor
incidentalorconsequentialdamagesinconnectionwith,orarisingoutof,thefurnishing,performance,oruse
oftheseprograms.
LibraryofCongressCataloging-in-PublicationDataonFile.
10 9 8 7 6 5 4 3 2 1
ISBN-13:978-0-13-402212-3
ISBN-10: 0-13-402212-2
Tomyparents,W.RobertBishop
andAnnaMariaDiPietroBishop
This page intentionally left blank
C O N T E N T S
Preface xix
1 LabVIEW Basics 1
1.1 SystemConfigurationRequirements 2
1.2 InstallingtheLabVIEWStudentEdition 2
1.3 TheLabVIEWEnvironment 3
1.4 TheGettingStartedScreen 5
1.5 PanelandDiagramWindows 9
1.5.1 FrontPanelToolbar 9
1.5.2 BlockDiagramToolbar 13
1.6 ShortcutMenus 15
1.7 Pull-DownMenus 16
1.7.1 FileMenu 17
1.7.2 EditMenu 17
1.7.3 ViewMenu 17
1.7.4 ProjectMenu 20
1.7.5 OperateMenu 20
1.7.6 ToolsMenu 21
1.7.7 WindowMenu 21
1.7.8 HelpMenu 23
1.8 Palettes 24
1.8.1 ToolsPalette 24
1.8.2 ControlsPalette 25
1.8.3 FunctionsPalette 27
1.8.4 SearchingthePalettesandQuickDrop 28
1.9 Opening,Loading,andSavingVIs 31
vii
viii Contents
1.10 LabVIEWHelpOptions 33
1.10.1 ContextHelpWindow 33
1.10.2 LabVIEWHelp 36
1.11 BuildingBlocks:PulseWidthModulation 36
1.12 RelaxedReading:RevolutionaryCancerTreatment
MinimizesDamagetoHealthyTissue 38
1.13 myDAQBuildingBlocks 40
1.13.1 BuildingaBasicLEDCircuit 41
1.13.2 NIELVISmxInstrumentLauncher 42
1.13.3 TestingwiththeELVISmxInstrumentPanel 42
1.14 Summary 43
Exercises 45
Problems 50
Design Problems 52
2 Virtual Instruments 57
2.1 WhatAreVirtualInstruments? 58
2.2 SeveralWorkedExamples 60
2.3 TheFrontPanel 67
2.3.1 NumericControlsandIndicators 67
2.3.2 BooleanControlsandIndicators 69
2.3.3 ConfiguringControlsandIndicators 73
2.4 TheBlockDiagram 73
2.4.1 VIsandExpressVIs 74
2.4.2 Nodes 75
2.4.3 Terminals 76
2.4.4 Wiring 79
2.5 BuildingYourFirstVI 82
2.6 DataFlowProgramming 87
2.7 BuildingaVIUsingExpressVIs 89
2.8 BuildingBlocks:PulseWidthModulation 96
2.9 RelaxedReading:BuildingASemiautonomousVehicle
DrivenBytheVisuallyImpaired 98
2.10 myDAQBuildingBlocks 100
2.10.1 BuildingaBasicThermistorCircuit 101
2.10.2 TheThermistorCircuitTestVI 101
2.10.3 TestingtheThermistorCircuit 102
Contents ix
2.11 Summary 103
Exercises 104
Problems 110
Design Problems 113
3 Editing and Debugging Virtual Instruments 117
3.1 EditingTechniques 118
3.1.1 CreatingControlsandIndicatorsontheBlockDiagram 118
3.1.2 SelectingObjects 120
3.1.3 MovingObjects 122
3.1.4 DeletingandDuplicatingObjects 122
3.1.5 ResizingObjects 123
3.1.6 LabelingObjects 124
3.1.7 ChangingFont,Style,andSizeofText 127
3.1.8 SelectingandDeletingWires 130
3.1.9 WireStretchingandBrokenWires 131
3.1.10 Aligning,Distributing,andResizingObjects 134
3.1.11 ColoringObjects 136
3.1.12 CleaningUptheBlockDiagram 144
3.1.13 RoutingWires 146
3.1.14 ReusingSnippetsofCode 148
3.2 DebuggingTechniques 149
3.2.1 FindingErrors 150
3.2.2 HighlightExecution 151
3.2.3 Single-SteppingThroughaVIandItsSubVIs 154
3.2.4 BreakpointsandProbes 155
3.2.5 NavigationWindow 159
3.3 PropertyNodes 160
3.4 AFewShortcuts 163
3.5 BuildingBlocks:PulseWidthModulation 163
3.6 RelaxedReading:UsingGraphicalSystemDesignfor
TumorTreatments 166
3.7 myDAQBuildingBlocks 168
3.8 Summary 170
Exercises 172
Problems 174
Design Problems 178