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Low Altitude Balloon Experiments in Technology (LABET) Version IV

Low Altitude Balloon Experiments in Technology (LABET) Version IV. EcpE 492: Dec09-14 Engr 467: LABETIV_SP09 Henri Bai Steve Beckert Ian Moodie Mike Rau Matthew Nelson, Advisor John Basart, Advisor November 19, 2009. Project Overview. Key Requirements Yaw Control

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Low Altitude Balloon Experiments in Technology (LABET) Version IV

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  1. Low Altitude Balloon Experiments in Technology (LABET)Version IV EcpE 492: Dec09-14 Engr 467: LABETIV_SP09 Henri Bai Steve Beckert Ian Moodie Mike Rau Matthew Nelson, Advisor John Basart, Advisor November 19, 2009

  2. Project Overview • Key Requirements • Yaw Control • Altitude Control • Wireless Control • Capable of Autonomous Landing • Operating Environment • Howe Hall Atrium • Intended User • Space Systems and Controls Lab • Promotional Tool

  3. Aircraft Hardware • Processor • PIC24FJ64GA004 • Sensors • 3-axis Accelerometer • 2-axis Gyroscope • Sonar • Communication • RF Transceiver • Flight Control • 2 Ducted Fans • 4 Servo Motors • Power • 7.4 Volt Li-Ion Array

  4. Structural Design Two fan design Thin member design with cross member support Includes two cradle cross members for balloon attachment and support Includes two landing pad attachment cross members Two fans will be mounted using a bi-axial swivel ring

  5. Base Station • Purpose • Communicate from ground to aircraft • Send aircraft movement commands • Receive aircraft status messages • Modify memory or inject code • Technical Detail • Implemented in LABVIEW • Control scheme uses XBOX360 Controller

  6. AircraftFirmware Base Station LABET

  7. Testing • Learn about PIC24FJ64GA004 • Timers, UART, SPI, ADC, Interrupts, PWM Generation • Component Testing (PIC24FJ16GB002 Development Board) • Accelerometer – SPI • Gyroscope/Sonar – Analog, ADC • Wireless Transceiver – UART • Servo – Timers, PWM Generation • RC Aircraft Testing • Component Integration • Prototype Board • Explorer 16 Development Board (PIC24FJ64GA004)

  8. Aircraft Schematic

  9. Questions?

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