1 / 21

Avionics System Anomaly Analysis at Lift-Off

Demystifying the Avionics System Anomaly at Lift-Off - Understand the video frame analysis, system logs, and reset events post lift-off. Discover the root cause of a significant malfunction.

luzf
Download Presentation

Avionics System Anomaly Analysis at Lift-Off

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. UN120 Video Frame Analysis at Lift-off

  2. T=0,10:24:636

  3. T=.033,10:24:669

  4. T=.066,10:24:702

  5. T=.099,10:24:736 (Rolling frame)

  6. T=.132,10:24:769

  7. T=.165,10:24:802

  8. T=.198,10:24:835

  9. T=.231,10:24:869

  10. T=.264,10:24:902

  11. T=.297,10:24:935

  12. T=.363,10:24:969

  13. T=.396,10:25:002

  14. T=.429,10:25:035

  15. T=.462,10:25:069

  16. Raspberry Pi System Log • Shows system ran for 10:25 • Series of reboots (7 of them) – 3 seconds of boot time per reboot – 21 seconds before system no longer ran • System found with all GPIO pins bent as if inside of Avionics bay. • Conclusion: Internal short of GPIO Header pins at t=10:25, 0.462 seconds into flight • Reset events after 3 seconds into boot for 21 seconds during CATO

  17. Timeline • Lift-Off - 10:24:36 • Video Loss/Short – 10:25:069 (.462 seconds after lift-off) • Breakup 7 seconds into flight (~ 6.5 seconds later) • 16.5 more seconds until Avionics sled fell • Avionics sled remained in this location for 9 months

  18. SLED (Before)

More Related