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Wind Tunnel Control (WEBWIND) By: Adam Green Advisor: Dr. Aleksander Malinowski Dr. Scott Post

Wind Tunnel Control (WEBWIND) By: Adam Green Advisor: Dr. Aleksander Malinowski Dr. Scott Post. Presentation Outline. The Wind Tunnel Project Introduction Previous Work My Project Actuators LabVIEW Hardware Interfacing Future Work? Equipment Questions. The Wind Tunnel. Wind Chamber

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Wind Tunnel Control (WEBWIND) By: Adam Green Advisor: Dr. Aleksander Malinowski Dr. Scott Post

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  1. Wind Tunnel Control(WEBWIND)By:Adam GreenAdvisor:Dr. Aleksander MalinowskiDr. Scott Post Bradley University Department of Electrical and Computer Engineering 2011

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

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

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

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

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

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

  8. Bradley University Department of Electrical and Computer Engineering 2011

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

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

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

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

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

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

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

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

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

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

  19. 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 Bradley University Department of Electrical and Computer Engineering 2011

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

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

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

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

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

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

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

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

  28. 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 Bradley University Department of Electrical and Computer Engineering 2011

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

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

  31. 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 Bradley University Department of Electrical and Computer Engineering 2011

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

  33. WEBWIND Server/DAQ Functions • Differential Analog Inputs • Sensors Bradley University Department of Electrical and Computer Engineering 2011

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

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

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

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

  38. 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 Bradley University Department of Electrical and Computer Engineering 2011

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

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

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

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

  43. 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 Bradley University Department of Electrical and Computer Engineering 2011

  44. MicrocontrollerSilicon Labs C8051-F120 Bradley University Department of Electrical and Computer Engineering 2011

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

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

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

  48. 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 Bradley University Department of Electrical and Computer Engineering 2011

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

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