Baby Sat

University of Missouri-RollaCarl SeubertJason Searcy

Josh JacobMichelle Rader

Expected Results:

The IMU data on both boards be equivalent

Thermal trends of DS75 compared with IMU board data

Actual Results: Wireless Communication Units

- Results

-The data stored on the IMU board approximately matched the data stored on the thermal sensor board, showing successful wireless communication over the 70 minute operational time.

-After which the wireless transmitter rebooted 80 times and sent no further data.

- Post-Flight

-Once the satellites were disassembled, each wireless communication unit was tested, and both were found to be functional.

Actual Results: Three-axis Solid-state IMU

- Results

-The IMUs worked as expected up until board power failure

- Post-flight

-The IMU was tested and found to still be functional

Actual Results: Thermal Sensors

- Results

-The thermal sensors worked up until system failure at which time the status was unknown

- Post-flight

-When the satellites were retrieved, the thermal sensor located outside of one of the satellites was missing, but the other two were still functional.

Conclusions and Actions:

- Conclusions

-The IMU, the wireless communication units, and the thermal sensors all performed as expected during nominal power board operation

- Likely Point-of-Failure

-The battery pack tape was conductive and when they detached from the wall, they struck the onboard computer, breaking the reset circuit, and shorted the board

Conclusions and Actions:

- UN-4 Mission Impact

-The data collected will help our analyses of the components used

-More low temperature and pressure will need to be performed on the wireless communication units in-case data loss was due to the satellite’s environmental conditions

Car 3: The most fun car