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

Bradley UniversityDepartment of Electrical and Computer Engineering 2011

Wind Tunnel ControlWind Tunnel Control(WEBWIND)(WEBWIND)

By:By:Adam GreenAdam Green

Advisor:Advisor:Dr. Aleksander MalinowskiDr. Aleksander Malinowski

Dr. Scott PostDr. Scott Post

Presentation OutlinePresentation Outline► The Wind TunnelThe Wind Tunnel► ProjectProject

IntroductionIntroduction Previous WorkPrevious Work My ProjectMy Project

►ActuatorsActuators►LabVIEWLabVIEW►Hardware InterfacingHardware Interfacing

Future Work?Future Work?► EquipmentEquipment►QuestionsQuestions

The Wind TunnelThe Wind Tunnel

►Wind ChamberWind Chamber►ActuatorActuator►Control SwitchesControl Switches

ON/OFFON/OFF Wind Speed Wind Speed

DamperDamper

►SensorsSensors

AbstractAbstract

►Networked access to controls and Networked access to controls and measurements.measurements.

►Simplified controls.Simplified controls.►Simplified measurements.Simplified measurements.►LabVIEW based client/server LabVIEW based client/server

platform.platform.►National Instruments DAQ for I/ONational Instruments DAQ for I/O

High-Level Block DiagramHigh-Level Block Diagram

Presentation OutlinePresentation Outline

► The Wind TunnelThe Wind Tunnel► ProjectProject

► ActuatorsActuators► LabVIEWLabVIEW► Hardware InterfacingHardware Interfacing

Future Work?Future Work?► EquipmentEquipment► QuestionsQuestions

►Benjamin Morrison and Michael FirmanBenjamin Morrison and Michael Firman System IDSystem ID Microcontroller SelectionMicrocontroller Selection Solid-State Relay ProposalSolid-State Relay Proposal

WEBWIND 2010WEBWIND 2010

Actuator Control

Hardware Interfacing

Actuator Control

Hardware Interfacing

DAQ and Networking

►Silicon Labs C8051-Silicon Labs C8051-F120F120 8 Channel ADC8 Channel ADC Up to 10mA source Up to 10mA source

current on port I/Ocurrent on port I/O Two 12-bit DACsTwo 12-bit DACs

MicrocontrollerMicrocontroller

H-Bridge CircuitryH-Bridge Circuitry

►Three Actuator CircuitThree Actuator Circuit►LM18200LM18200

3 Amp, 55V continuous3 Amp, 55V continuous 6 Amp peak6 Amp peak Heat Sink MountedHeat Sink Mounted

H-Bridge Circuitry – Design H-Bridge Circuitry – Design ConsiderationsConsiderations

►Power SupplyPower Supply 20A, 12V Continuous20A, 12V Continuous

►Actuator CurrentActuator Current 7+ Amp Peak7+ Amp Peak

►Power ResistorsPower Resistors 3 ohm, 25W3 ohm, 25W

Actuator ControllerActuator Controller

►Microcontroller ADC SpecificationsMicrocontroller ADC Specifications 0.5 to 2.9 V given VDD = 3.3V0.5 to 2.9 V given VDD = 3.3V 0.0013 V/division, +- 10 division accuracy0.0013 V/division, +- 10 division accuracy

►1 KHz ADC Sample Frequency1 KHz ADC Sample Frequency►PWM DAC OutputPWM DAC Output

1 KHz, 50% duty1 KHz, 50% duty

Actuator ControllerActuator Controller

► Unity Feedback, Proportional Unity Feedback, Proportional ControlControl Software BasedSoftware Based

►Not RobustNot Robust Actuator ModelActuator Model TimeTime

► SlowSlow► AccurateAccurate

Actuator Connections

H-Bridge

Power Resistors

Microcontroller

DAQ and Networking

LabVIEW – Client/Server LabVIEW – Client/Server PlatformPlatform

►TCP CommunicationTCP Communication►AvailabilityAvailability

Local – BU Network – Local – BU Network – WorldwideWorldwide

Server Up-timeServer Up-time

►SynchronizationSynchronization►DelayDelay

Up to 2 secondsUp to 2 seconds

Client/Server BenefitsClient/Server Benefits

►Custom Manipulation of Custom Manipulation of DataData

►Ease of UpdatingEase of Updating►Off-site ControlOff-site Control

Networked WebcamsNetworked Webcams

WEBWIND ClientWEBWIND Client

►Pre-Compiled ExecutablePre-Compiled Executable LabVIEW Runtime LabVIEW Runtime

EnvironmentEnvironment LabVIEW 2010LabVIEW 2010

►Pre-Compiled ExecutablePre-Compiled Executable LabVIEW Runtime EnvironmentLabVIEW Runtime Environment LabVIEW 2010LabVIEW 2010

►Server AddressServer Address Port 3363Port 3363

►Pre-Compiled ExecutablePre-Compiled Executable LabVIEW Runtime EnvironmentLabVIEW Runtime Environment LabVIEW 2010LabVIEW 2010

►Server AddressServer Address Port 3363Port 3363

►Simplified I/O via TCPSimplified I/O via TCP Raw Data InputRaw Data Input

►Custom Data ManipulationCustom Data Manipulation

WEBWIND Client 10.3WEBWIND Client 10.3

WEBWIND Client CodeWEBWIND Client Code

WEBWIND Server/DAQWEBWIND Server/DAQ

►LabVIEW 7.0LabVIEW 7.0►TCP ConnectionTCP Connection

BU Networked ServerBU Networked Server►TCP Port 3363TCP Port 3363

►DAQ – NI 6040 EDAQ – NI 6040 E Two Analog OutputsTwo Analog Outputs 8 Differential Analog 8 Differential Analog

InputsInputs 8 Digital I/O8 Digital I/O

Server Sustainability and Server Sustainability and ReliabilityReliability

► Looping ListenerLooping Listener

► Error HandlingError Handling

► Auto-Run on StartupAuto-Run on Startup

► No GUI RequiredNo GUI Required

WEBWIND Server/DAQ WEBWIND Server/DAQ FunctionsFunctions

►Differential Analog Differential Analog InputsInputs SensorsSensors

►Single Analog OuputSingle Analog Ouput Actuator SetActuator Set

►Digital I/ODigital I/O Triggers/StatusTriggers/Status

WEBWIND Server CodeWEBWIND Server Code

Hardware InterfacingHardware Interfacing

►Solid-State RelaysSolid-State Relays System On/OffSystem On/Off

►One G3NA-225BOne G3NA-225B Blower On/OffBlower On/Off

►One G3NA-225BOne G3NA-225B Damper MotorDamper Motor

►One DPDT RelayOne DPDT Relay►One G3NA-225BOne G3NA-225B►One G3NA-210B (DC)One G3NA-210B (DC)

► Interface to DAQInterface to DAQ

Interfacing StatusInterfacing Status►Preliminary Circuit DesignPreliminary Circuit Design►Wiring DAQ and Relays CompleteWiring DAQ and Relays Complete

Not Connected to High-Voltage Not Connected to High-Voltage SystemsSystems

►No Testing or DebuggingNo Testing or Debugging

Future Additions?Future Additions?► Robust Actuator ControllerRobust Actuator Controller► Complete Hardware Interfacing to High-Complete Hardware Interfacing to High-

Voltage ComponentsVoltage Components► Additional Actuators and SensorsAdditional Actuators and Sensors► Add WebcamsAdd Webcams

EquipmentEquipment

► 8051-F120 Microcontroller8051-F120 Microcontroller► Local and Remote PCLocal and Remote PC► LabVIEW 7.0 (server), LabVIEW 2010 LabVIEW 7.0 (server), LabVIEW 2010

(client)(client) NI 6040 E DAQNI 6040 E DAQ

► Solid-State and DPDT RelaysSolid-State and DPDT Relays► Power ResistorsPower Resistors► H-BridgesH-Bridges► ActuatorActuator

MicrocontrollerMicrocontrollerSilicon Labs C8051-F120Silicon Labs C8051-F120

Local and Remote PCLocal and Remote PC

LabVIEW 7.0 and 2010LabVIEW 7.0 and 2010NI DAQNI DAQ

Solid-State and Double-Pole Solid-State and Double-Pole Double-Throw RelaysDouble-Throw Relays

EquipmentEquipment

► Solid-State and DPDT RelaysSolid-State and DPDT Relays► Power ResistorsPower Resistors► H-BridgesH-Bridges► ActuatorActuator

Power ResistorsPower Resistors

EquipmentEquipment

► G3NA Solid-State and DPDT RelaysG3NA Solid-State and DPDT Relays► Power ResistorsPower Resistors► LM18200 H-BridgesLM18200 H-Bridges► ActuatorActuator

LM18200 H-BridgesLM18200 H-Bridges

Linear ActuatorLinear Actuator

ConclusionConclusion

►Room For ExpansionRoom For Expansion Relay SystemRelay System More SensorsMore Sensors Robust ControlRobust Control

►SuccessSuccess Actuator ControlActuator Control Networked LabVIEWNetworked LabVIEW Sensor and Control I/OSensor and Control I/O

Special ThanksSpecial Thanks

► Dr. Aleksander MalinowskiDr. Aleksander Malinowski

► Dr. Scott PostDr. Scott Post

► Nick Schmidt and Christopher MattusNick Schmidt and Christopher Mattus

Questions?Questions?

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

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