vii
TABLE OF CONTESTS
CHAPTER
1
TITLE
PAGE
DECLARATION
ii
DEDICATION
iii
ACKNOWLEDGEMENTS
iv
ABSTRACT
v
ABSTRAK
vi
TABLE OF CONTENTS
vii
LIST OF TABLES
x
LIST OF FIGURES
xi
LIST OF APPENDICES
xiii
INTRODUCTION
1
1.1
1.2
1.3
1.4
1.5
1
3
3
4
5
Background
Problem Statement
National and international status about AI
Objectives
Scope of work:
viii
2
3
LITERATURE REVIEW
6
2.1
2.2
2.3
2.4
2.5
6
6
8
9
10
RESEARCH METHODOLOGY
13
3.1
3.2
3.3
3.4
13
14
15
16
16
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
4
Introduction
LN2 storage phases
Temperature Control Flochart
Temperature Control Flochart
Reasons for co-locating electronics
with sensors in a cold or hot environment include
General View
Project work Methodology
Sensor works
The Design Analysis
3.4.1 Cool box
3.4.2 The metal box
3.4.3 The gap between cool box and metal box
3.4.4 Supporting water Tank
3.4.5 Solenoid Valve
Component Required for Temperature Control
Temperature control circuit Design
Type K Thermocouple
3.7.1 Linearity check & testing the temperature sensor
18
18
19
19
21
22
23
Thermocouple Amplifier SN-6675 with MAX6675
Water Brick Sensor
Testing with Water Detecting Sensor
Electrical Solenoid Valve
MD10C, Motor Driver
3.12.1 General Information of MD10C
3.12.2 Product Specification & Limitations
3.12.3 Board Layout
24
27
29
29
32
32
33
34
EXPERIMENT, RESULT AND DISCUSSION
37
4.1
Display and controller test
37
4.2
Functionality testing of the system and the results
38
ix
5
CONCLUSION
40
5.1
Conclusion
40
5.2
Recommandation
41
REFERENCES
41
Appendices A-B
44-49
x
LIST OF TABLES
TABLE NO.
TITLE
PAGE
1.0
Data of AI cases in different years in Malaysia
03
3.1
List of component required for Temperature Control
18
3.2
Temperature in thermometer corresponding to
23
voltage in digital meter
3.3
Comparison of different types of Valve
30
3.4
Specification of MD10C
32
3.5
Pin description of MD10C
33
3.6
Pin description of MD10C
34
3.7
Truth table of control logic
34
xi
LIST OF FIGURES
TABLE NO.
TITLE
PAGE
1.1
Graphical representation of AI in Malaysia
04
2.1
Vapor phase storage and liquid phase storage
07
2.2
Flow Chart showing the sensors and
controller combine works
09
2.3
Semen Handling
10
3.1
Project Work Methodology
13
3.2
A smart sensor architecture that
14
the same idea used in this project
3.3
Sensor‟s sensing flow diagram
14
3.4
Top view of Auto CAD drawing design of the system
15
3.5
Side view of Auto CAD drawing, design of the system
15
3.5.1
Top view of real system showing the sensors inside
16
3.5.2
Top view of real system
17
Schematic diagram of interfacing with
20
3.6
microcontroller an thermocouple.
3.7
36" high temperature Type-K Thermocouple
21
with glass braids insulation
3.8
Linearity check of Thermocouple
22
xii
3.9
Graphical representation of linearity of thermocouple
24
3.10
Thermocouple amplifier SN-6675
25
3.11
Interfacing of MAX6675
25
3.12
Real circuit connection using the thermocouple,
26
Thermo couple amplifier and with microcontroller
26
3.13
A Brick Water detector Sensor
27
3.14
3.14A When Out of water less voltage drop
28
3.14B Inside water greter voltage drop
28
3.14 C When Out of water less voltage drop
29
3.14D Inside water greter voltage drop
29
3.15
Dimension of MD10C
32
3.16
Board layout of MD10C
33
3.17
Connection between MD10C and SK40C
35
3.18
Connection between MD10C and SK40C
35
4.1
Test of display in microcontroller display
36
4.2
The integrated system during the testing
37
xiii
LIST OF APPENDICES
APPENDIX
A
TITLE
program wrote in „C‟ language and
PAGE
44
used for test the display with MPLAB.
B
This Program for temperature control in
MPLAB main function written in „C‟ language:
46