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ARMADILLO – SHOT II The University of Texas at Austin Travis Imken Shaina Johl

ARMADILLO – SHOT II The University of Texas at Austin Travis Imken Shaina Johl Christopher McBryde Travis Sanders June 29, 2012 Boulder, CO. Mission Overview. Verify that the CDH runs, uses SD card, manages subsystems, records data Validate COM uplinking /downlinking

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ARMADILLO – SHOT II The University of Texas at Austin Travis Imken Shaina Johl

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  1. ARMADILLO – SHOT II The University of Texas at Austin Travis Imken ShainaJohl Christopher McBryde Travis Sanders June 29, 2012 Boulder, CO

  2. Mission Overview • Verify that the CDH runs, uses SD card, manages subsystems, records data • Validate COM uplinking/downlinking • Confirm that EPS provides steady 3.3V, 5V lines • Gather FOTON GPS data to compare to previous experiments. • Pressure/temp sensor integrated • The SHOT II payload contains identical or very similar hardware to ARMADILLO flight design. • The CDH, EPS, and GPS subsystems and NVS camera same as flight • The COM is half-duplex version of flight. NVS lens is similar.

  3. Design • EPS system from ARMADILLO running multiple subsystems. • Data collected in flight autonomously and recorded to SD card. • Payload pinged via uplink to downlink dummy voltage data and magnetometer measurements.

  4. Design GPS COM CDH NVS EPS Pressure/Temp Sensor Magnetometer

  5. Design - Block Diagram

  6. Design - Hardware • ADC • Honeywell HMR2300 • COM • Lithium 1 UHF radio • CDH • PhytecphyCORE-LPC3250 System on a Module (SOM) • Kraken v 1.0 interface board

  7. Design - Hardware • EPS • 5V and 3.3V supply at 30W-hr • 6 Varta PoLiFlex 503759C lithium polymer battery cells • GPS • Dual frequency receiver • NVS • Matrix Vision mvBlueFOX-M121G • Edmund Optics 12mm lens • Pressure/temp sensor • Honeywell 0-15psia package

  8. Test Data Discharging Curve with Electronic Load: constant current of 1.0A on 5V bus

  9. Expected Results • Recorded results from the magnetometer at 10 Hz • Images from the camera every 30 seconds • COM beacon roughly every 45 to 50 seconds • Downlink dataand turn on/turn off beacon upon ground command • GPS readings from FOTON for post-launch analysis • Pressure data to correlate with GPS altitude (and temperature)

  10. DemonstrationQuestions?

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