3.5 DC Motor System State Diagram
32 3.5.1
Flowchart of DC Motor System 33
3.6 AC Motor System State Diagram
35 3.6.1 Flowchart of AC Motor System
36 3.7
Testing the Communication between the PC and GSM Modem
38 3.7.1
Sending SMS Messages from a Computer Using a GSM Modem
38 3.7.2 Configuring HyperTerminal for Modem
39 3.8
Testing the GSM Modem Using LabView software 43
3.8.1 Use LabVIEW Send a SMS to Mobile Phone by Using
AT Commands
45
IV RESULT
AND ANALYSIS
4.1 Introduction
47
4.2 Software Analysis Virtual Instrument 47
4.2.1 Analysis of Front Panel 48
4.2.2 Analysis of Block Diagram 52
V CONCLUSION AND SUGGESTIONS
5.1 Conclusion
61 5.2
Suggestions 62
REFERENCES 63
LIST OF TABLES
NO TITLE
PAGE
2.1 Comparison of the Current Project and the Improved Current Project
7 2.2
Characteristics of
GSM Modem
14 2.3
Ziegler–Nichols Method
22 3.1
AT Commands that are related to the Writing and Sending of SMS Messages
39 3.2
Default Settings of GSM Modem 40
4.1 Function of VISA Configuration Serial Port Programming Code
52 4.2
Function of VISA Write Programming Code 54
4.3 Function of VISA Read Programming Code
55 4.4
Function of VISA Close Programming Code 55
4.5 Function of Match Pattern Programming Code
56 4.6
Function of VISA Flush IO Buffer Programming Code 57
4.7 Function of Others Programming Code
58
LIST OF FIGURES
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PAGE
1.1 System Block Diagram
2 2.1
GSM Modem
13 2.2
NI-USB-6221 DAQ
Device 19
2.3 VIs from the PID Controls Palette of LabVIEW
22 2.4
Advanced VIs from the PID Controls Palette of LabVIEW 23
2.5 A Typical LabVIEW VI Showing PID Control with a Plug-In NI Data
Acquisition Device
23 2.6
Application of AC Motor 24
2.7 Construction of AC Motor
25 2.8
Variable Frequency Inverter VFD 26
3.1 Flow Chart Diagram
27 3.2
The Flows used in Creating the LabVIEW Block Diagram 30
3.3 Block Diagram of AC Motor
31
3.4 DC Motor System State Diagram and Flowchart
32 3.5
Flowchart of DC Motor System 34
3.6 AC Motor System State Diagram and Flowchart
35 3.7
Flowchart of AC Motor System 37
3.8 Connection
Description 40
3.9 Select the PC COM Port Number
40 3.10
Simple Check on Connection between HyperTerminal and GSM Modem 41
3.11 Short Message Format is set as Text Mode
41 3.12
A Message is Sent 42
3.13 Results for Sending SMS
42 3.14
Results for Receiving 43
3.15 The Front Panel for SMS Application
44 3.16
Block Diagram for SMS Application 44
3.17 Front Panel for String to Write and Read String
45 3.18
Results of Testing LabView Software Send a SMS to Mobile Phone 46
3.19 Result of SMS is Successful Read by the LabView
46 4.1
Front Panel PC-based Motor Speed Control for DC Motor 48
4.2 PID
Gains 49
4.3: Front Panel of DC Motor with SMS Application
49 4.4
Front Panel PC-based Motor Speed Control for AC Motor 50
4.5 Front Panel of AC Motor with SMS Application
51 4.6
VISA Configure
Serial Port
52 4.7
VISA Write
53 4.8
VISA Read
54 4.9
VISA Close
55 4.10
Match Pattern
56 4.11
VISA Flush IO Buffer 57
4.12 Block Diagram of PC-based Motor Control with SMS Application
DC Motor 59
4.13 Block Diagram of PC-based Motor Control with SMS Application
AC Motor 60
LIST OF ABBREVIATION
PC - Personal
Computer VI
- Virtual Instrument
LabVIEW - Laboratory Virtual
Instrumentation Engineering Workbench DAQ
- Data
Acquisition NI
- National
Instrument AC
- Alternating
Current DC - Direct Current
GSM -
Global System for Mobile SMS
- Short Message Service
PWM -
Pulse Width Modulation IO
- Input
Output USB
- Universal Serial Bus
RPM -
Revolution Per
Minute
LIST OF APPENDIX
NO TITLE
PAGE
A Datasheet NI USB-6221
65 B
Datasheet VFD 73
C Datasheet WaveCom
GSMGPRS-Modem Fastrack Modem
84 D
Procedure for Testing 90
E Safety Precautions
92
CHAPTER I
INTRODUCTION
This chapter will give reader a basic introduction to how the idea of this project generated. The chapter contains introduction, objective of the project, problem statement,
scopes of work, brief methodology, and report structure.
1.1 Introduction PC-Based Motor Control System with SMS Application
