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Final Summer Checkout

Final Summer Checkout. Taeyeon Kim. AGENDA. Vibration test plan for KHU Harnessing STEIN Housing Future work. My Schedule on Summer vacation. At Kyung Hee University. Process of Vibration Test. Get the natural frequency of CINEMA. 1 st mode: 320 Hz.

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Final Summer Checkout

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  1. Final Summer Checkout Taeyeon Kim

  2. AGENDA • Vibration test plan for KHU • Harnessing • STEIN Housing • Future work

  3. My Schedule on Summer vacation

  4. At Kyung Hee University

  5. Process of Vibration Test Get the natural frequency of CINEMA 1st mode: 320 Hz Prove CINEMA is stable on a launcher Stress margin: 10% Decided the point of an accelerometer on CINEMA Decided Accelerometer points Random vibration test NOW

  6. Responds Analysis <X axis> <Y axis> • Get a result of RMS value of Acceleration at the worst case • Unit level is refer to GSFC-STD-7000 <Z axis>

  7. Accelerometer & Plan • Qualification Model will be take the Random vibration test at SATREC ( Middle of October) • We can help a vibration test if vibration test of the UHF antenna is delayed after middle of September. Secondary Primary

  8. Design of Fixture for KHU <Bottom of TestPOD> UP Bottom <Fiixture>

  9. At UC Berkeley

  10. STEINFlex Circuit Fit Check • Assembled the digital board • and STEIN parts (except Attenuator) • Fit check connecting wire and STEIN housing • However, connector on the digital circuit is broken. • Disassemble the STEIN assembly to repair the digital board

  11. STEINFlex Circuit -Change the 3D modeling of STEIN Electronics Housing. 0.05 in • Extended the wall of STEIN housing to consider the flex circuit. • Make a 2D drawing

  12. Harnessing • Work with • I made the MAGIC Harnessing wire. • Wire is twisted at 100 times.

  13. FUTURE WORK • Harnessing in UC Berkeley • STEIN fit check (if it is possible) • Performed random vibration test in South Korea • Assemble the CINEMA with KHU mechanical team

  14. Thank you Kyung Hee University / School of Space Research

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