1. Labview Based Demo metro-line system
孙 璐
牛晓海

2. Outline Introduction to Virtual Instrument and Labview
Motivation of our design
Data acquisition &transition
Programming process
Summary

3. Outline Introduction to Virtual Instrument and Labview
Motivation of our design
Data acquisition &transition
Programming process
Summary

4. Concept of Virtual Instrument
traditional
Developer defines
Virtual
User defines

5. Introduction to Labview
Front panel
Controller
indicator
Block diagram
Figure programming
Data fluid

6. Outline Introduction to Virtual Instrument and Labview
Motivation of our design
Data acquisition &transition
Programming process
Summary

7. Sketch of our design Processing indicator Station show
Temperature monitor
Intelligence air fan
Station show
Operation details
Processing indicator

8. Outline Introduction to Virtual Instrument and Labview
Motivation of our design
Data acquisition &transition
Programming process
Summary

9. Data acquisition &transition
A/D data acquisition card
Computer USB connector
Create ID
ADINT
ADRead
ADClose
DAOUT
COUNTInt
GetCount
Release ID DI DO

10. Outline Introduction to Virtual Instrument and Labview
Motivation of our design
Data acquisition &transition
Programming process
Summary

11. Processing indicator Station show Temperature monitor
Intelligence air fan
Station show
Operation details
Processing indicator

12. Programming process
Temperature monitor

13. Programming process
Temperature monitor
RT1 R1 V
T=28V-25℃

14. Programming process
Temperature monitor

15. Sketch of our design Processing indicator Station show
Temperature monitor
Intelligence air fan
Station show
Operation details
Processing indicator

16. Programming process Counter Intelligence air fan Voltage exchange
DAOUT
Counter

17. Programming process
Intelligence air fan

18. Processing indicator Station show Temperature monitor
Intelligence air fan
Station show
Operation details
Processing indicator

19. Programming process Metro operation details Boolean Array Hall element
Digital In
DI0-DI7

20. Programming process

21. Programming process
Metro operation details

22. Processing indicator Station show Temperature monitor
Intelligence air fan
Station show
Operation details
Processing indicator

23. Programming process

24. Programming process Processing indicator 1 High level Low level
Red: The line is processing
Yellow: attention for passenger
Green: passengers on & off
Processing indicator
High level
Low level 1
Digital Out
Boolean value

25. Programming process
Processing indicator

26. Summary
Taught——Fundamental knowledge about Virtual Instrument.
Hard work——Get to understand digital-logic circuits.
Acquire——Basic programming skills based on Labview.
Notion——Demo metro-line system.
Keep going——Still much to be improved.
THANK YOU