2. Bradley University Department of Electrical and Computer Engineering 2011 Wind Tunnel Control (WEBWIND) By: Adam Green Advisor: Dr. Aleksander Malinowski Dr. Scott Post

3. Bradley University Department of Electrical and Computer Engineering 2011 Presentation Outline ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions

4. Bradley University Department of Electrical and Computer Engineering 2011 The Wind Tunnel ► Wind Chamber ► Actuator ► Control Switches  ON/OFF  Wind Speed Damper ► Sensors

5. Bradley University Department of Electrical and Computer Engineering 2011 Abstract ► Networked access to controls and measurements. ► Simplified controls. ► Simplified measurements. ► LabVIEW based client/server platform. ► National Instruments DAQ for I/O

6. Bradley University Department of Electrical and Computer Engineering 2011 High-Level Block Diagram

7. Bradley University Department of Electrical and Computer Engineering 2011 Presentation Outline ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions

8. Bradley University Department of Electrical and Computer Engineering 2011 ► Benjamin Morrison and Michael Firman  System ID  Microcontroller Selection  Solid-State Relay Proposal WEBWIND 2010

9. Bradley University Department of Electrical and Computer Engineering 2011

10. Bradley University Department of Electrical and Computer Engineering 2011 Presentation Outline ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions

11. Bradley University Department of Electrical and Computer Engineering 2011 High-Level Block Diagram

12. Bradley University Department of Electrical and Computer Engineering 2011 High-Level Block Diagram

13. Bradley University Department of Electrical and Computer Engineering 2011 High-Level Block Diagram Actuator Control

14. Bradley University Department of Electrical and Computer Engineering 2011 High-Level Block Diagram Actuator Control Hardware Interfacing

15. Bradley University Department of Electrical and Computer Engineering 2011 High-Level Block Diagram Actuator Control Hardware Interfacing DAQ and Networking

16. Bradley University Department of Electrical and Computer Engineering 2011 ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions Presentation Outline

17. Bradley University Department of Electrical and Computer Engineering 2011 ► Silicon Labs C8051-F120  8 Channel ADC  Up to 10mA source current on port I/O  Two 12-bit DACs Microcontroller

18. Bradley University Department of Electrical and Computer Engineering 2011 H-Bridge Circuitry ► Three Actuator Circuit ► LM18200  3 Amp, 55V continuous  6 Amp peak  Heat Sink Mounted

19. Bradley University Department of Electrical and Computer Engineering 2011 H-Bridge Circuitry – Design Considerations ► Power Supply  20A, 12V Continuous ► Actuator Current  7+ Amp Peak ► Power Resistors  3 ohm, 25W

20. Bradley University Department of Electrical and Computer Engineering 2011 Actuator Controller ► Microcontroller ADC Specifications  0.5 to 2.9 V given VDD = 3.3V  0.0013 V/division, +- 10 division accuracy ► 1 KHz ADC Sample Frequency ► PWM DAC Output  1 KHz, 50% duty

21. Bradley University Department of Electrical and Computer Engineering 2011 Actuator Controller ► Unity Feedback, Proportional Control  Software Based ► Not Robust  Actuator Model  Time ► Slow ► Accurate

22. Bradley University Department of Electrical and Computer Engineering 2011 Actuator Connections H-Bridge Power Resistors Microcontroller

23. Bradley University Department of Electrical and Computer Engineering 2011 ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions Presentation Outline

24. Bradley University Department of Electrical and Computer Engineering 2011 High-Level Block Diagram DAQ and Networking

25. Bradley University Department of Electrical and Computer Engineering 2011 LabVIEW – Client/Server Platform ► TCP Communication ► Availability  Local – BU Network – Worldwide  Server Up-time ► Synchronization ► Delay  Up to 2 seconds

26. Bradley University Department of Electrical and Computer Engineering 2011 Client/Server Benefits ► Custom Manipulation of Data ► Ease of Updating ► Off-site Control  Networked Webcams

27. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Client ► Pre-Compiled Executable  LabVIEW Runtime Environment  LabVIEW 2010

28. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Client ► Pre-Compiled Executable  LabVIEW Runtime Environment  LabVIEW 2010 ► Server Address  Port 3363

29. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Client ► Pre-Compiled Executable  LabVIEW Runtime Environment  LabVIEW 2010 ► Server Address  Port 3363 ► Simplified I/O via TCP  Raw Data Input ► Custom Data Manipulation

30. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Client 10.3

31. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Client Code

32. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Server/DAQ ► LabVIEW 7.0 ► TCP Connection  BU Networked Server ► TCP Port 3363 ► DAQ – NI 6040 E  Two Analog Outputs  8 Differential Analog Inputs  8 Digital I/O

33. Bradley University Department of Electrical and Computer Engineering 2011 Server Sustainability and Reliability ► Looping Listener ► Error Handling ► Auto-Run on Startup ► No GUI Required

34. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Server/DAQ Functions ► Differential Analog Inputs  Sensors

35. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Server/DAQ Functions ► Differential Analog Inputs  Sensors ► Single Analog Ouput  Actuator Set

36. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Server/DAQ Functions ► Differential Analog Inputs  Sensors ► Single Analog Ouput  Actuator Set ► Digital I/O  Triggers/Status

37. Bradley University Department of Electrical and Computer Engineering 2011 WEBWIND Server Code

38. Bradley University Department of Electrical and Computer Engineering 2011 ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions Presentation Outline

39. Bradley University Department of Electrical and Computer Engineering 2011 Hardware Interfacing ► Solid-State Relays  System On/Off ► One G3NA-225B  Blower On/Off ► One G3NA-225B  Damper Motor ► One DPDT Relay ► One G3NA-225B ► One G3NA-210B (DC) ► Interface to DAQ

40. Bradley University Department of Electrical and Computer Engineering 2011 Interfacing Status ► Preliminary Circuit Design ► Wiring DAQ and Relays Complete  Not Connected to High-Voltage Systems ► No Testing or Debugging

41. Bradley University Department of Electrical and Computer Engineering 2011 ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions Presentation Outline

42. Bradley University Department of Electrical and Computer Engineering 2011 Future Additions? ► Robust Actuator Controller ► Complete Hardware Interfacing to High-Voltage Components ► Additional Actuators and Sensors ► Add Webcams

43. Bradley University Department of Electrical and Computer Engineering 2011 ► The Wind Tunnel ► Project  Introduction  Previous Work  My Project ► Actuators ► LabVIEW ► Hardware Interfacing  Future Work? ► Equipment ► Questions Presentation Outline

44. Bradley University Department of Electrical and Computer Engineering 2011 Equipment ► 8051-F120 Microcontroller ► Local and Remote PC ► LabVIEW 7.0 (server), LabVIEW 2010 (client)  NI 6040 E DAQ ► Solid-State and DPDT Relays ► Power Resistors ► H-Bridges ► Actuator

45. Bradley University Department of Electrical and Computer Engineering 2011 Microcontroller Silicon Labs C8051-F120

46. Bradley University Department of Electrical and Computer Engineering 2011 Local and Remote PC

47. Bradley University Department of Electrical and Computer Engineering 2011 LabVIEW 7.0 and 2010 NI DAQ

48. Bradley University Department of Electrical and Computer Engineering 2011 Solid-State and Double-Pole Double- Throw Relays

49. Bradley University Department of Electrical and Computer Engineering 2011 Equipment ► 8051-F120 Microcontroller ► Local and Remote PC ► LabVIEW 7.0 (server), LabVIEW 2010 (client)  NI 6040 E DAQ ► Solid-State and DPDT Relays ► Power Resistors ► H-Bridges ► Actuator

50. Bradley University Department of Electrical and Computer Engineering 2011 Power Resistors

51. Bradley University Department of Electrical and Computer Engineering 2011 Equipment ► 8051-F120 Microcontroller ► Local and Remote PC ► LabVIEW 7.0 (server), LabVIEW 2010 (client)  NI 6040 E DAQ ► G3NA Solid-State and DPDT Relays ► Power Resistors ► LM18200 H-Bridges ► Actuator

52. Bradley University Department of Electrical and Computer Engineering 2011 LM18200 H-Bridges

53. Bradley University Department of Electrical and Computer Engineering 2011 Linear Actuator

54. Bradley University Department of Electrical and Computer Engineering 2011 Conclusion ► Room For Expansion  Relay System  More Sensors  Robust Control ► Success  Actuator Control  Networked LabVIEW  Sensor and Control I/O

55. Bradley University Department of Electrical and Computer Engineering 2011 Special Thanks ► Dr. Aleksander Malinowski ► Dr. Scott Post ► Nick Schmidt and Christopher Mattus

56. Bradley University Department of Electrical and Computer Engineering 2011 Questions?