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Overview of UAV Hardware Components for Autopilot Systems

This overview details the essential hardware components of UAV systems, focusing on the autopilot control board, battery, modem/antenna, ground control station, GPS, IR sensors, motor/controller, and servos. The Tiny v2.11 control board acts as the UAV's brain, managing vital functions such as servo movement, GPS positioning, and payload control. A powerful 2100mAh Li-Poly battery ensures operational performance, while the modem facilitates communication. This integration supports the UAV’s navigation and functionality through precise control systems and real-time data transmission.

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Overview of UAV Hardware Components for Autopilot Systems

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  1. Hardware Overview • Autopilot Control Board- Serves as common platform for other components and has autopilot code and flight plans • Battery- Powers the board and servos as well as motor • Modem/Antenna- Facilitate communications • Ground Control Station- Used to control UAV midflight • GPS- Used for altitidue and positioning to waypoints • IR Sensors- Determines control movements • Motor and Controller- Manages the motor functioning • Servos- Adjust control surfaces

  2. Autopilot Control Board (Tiny) • The main control board is the Tiny v2.11 is the brain of the UAV and controls: • Servos (via Pulse-pulse-modulation) • Infrared sensors • GPS • Any applicable payload (CAM) • The autopilot is released by and updated by the Paparazzi development team

  3. Battery • 2100mAh 11.1V Li-Poly battery • 6.1 – 18 VDC autopilot input voltage

  4. Datalink Radio(Modem & Antenna) • Autopilot – Groundstation communication • Serial channel

  5. GPS Receiver • Receiver & Antenna built into autopilot • uBlox LEA-4 serial receiver – 4Hz update

  6. GPS configuration • Proprietary control software

  7. IR Sensors • One x-y sensor + one z sensor • Each axis is a thermopile pair • Differential output from each pair

  8. IR Sensor Modification • Driven by 3.3V instead of 5V • Changes amplifier gain • Replace biasing resistors for unity gain

  9. Motor & Controller • Brushless motor and electronic speed control

  10. Servos • Hitec HS-55 servos

  11. Payload • We never officially implemented a payload, though this would not require extensive work • Ostensibly, we would have added a camera to feed back images or video over the modem • Due to data transmission rate limitations (9600 baudrate) any video taken would be of very low quality, though images could certainly be sent at a decent frequency • Payload would likely be placed on the side of the modem transmitter beneath and partially embedded in a wing

  12. Hardware Preparation

  13. Custom Cables

  14. Software Setup • Linux installed blah blah

  15. Install Bootloader

  16. Program GPS Receiver

  17. Programming Autopilot

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