1. Microgravity Analysis Software System (MASS) 2002Page 1 Microgravity Analysis Software System (MASS)

2. 2002Page 2 Information Flow Diagram packetGrabber listener/talker packetWriter off-line analysis Space Acceleration Measurement System (SAMS) Microgravity Acceleration Measurement System (MAMS)

3. Microgravity Analysis Software System (MASS) 2002Page 3 Data Flow Diagram

4. Microgravity Analysis Software System (MASS) 2002Page 4 PIMS has the responsibility within NASA’s Biological and Physical Research Enterprise to provide processing, analysis, and archival of acceleration data for the microgravity scientific community PIMS supports the following reduced gravity platforms: ISS, Space Shuttle, parabolic aircraft, sounding rockets, drop towers, and ground based test facilities PIMS performs these functions for the SAMS, SAMS-II, SAMS-FF, OARE, and MAMS acceleration measurement systems PIMS supports the following scientific disciplines: biotechnology, combustion science, fluid physics, materials science, fundamental physics, vehicle dynamics Principal Investigator Microgravity Services (PIMS) Project

5. Microgravity Analysis Software System (MASS) 2002Page 5 NameTitle Richard DeLombardDiscipline Scientist Carlos GrodsinskyProgram Manager Kenneth HrovatData Analyst Kenol JulesProject Scientist Eric KellyData Analyst Eugene LibermanSoftware Engineer Nissim LugasySoftware Engineer Kevin McPhersonProject Manager Timothy ReckartWebmaster David ThompsonResearch Associate Ted WrightSoftware Engineer Acknowledgements

6. Microgravity Analysis Software System (MASS) 2002Page 6 Acknowledgements to Key Software Components NameTask packetGrabber Retrieves UDP telemetry in real time and from playbacks. Writes telemetry to database and time orders all received UDP telemetry listener/talker Provides communication between database and real time displays Real-time Displays Plots acceleration data for PI’s and PIMS data analysts Monitor and Control Controls active real time displays and monitors all MASS software components Interim Data Processing Preprocesses acceleration data before archival Data Base Control Provides control of ancillary parameters written with each acceleration data file packetWriter Archives all acceleration data and maintains real time databases Offline Analysis Software Provides detailed analysis of acceleration data PIMS WWW Site Provides interface to the microgravity user community MASS Software Components

7. Microgravity Analysis Software System (MASS) 2002Page 7 Outline for Real-Time Components Data Flow Block Diagram >> Understand overall data flow from on board the ISS to the microgravity user community >> Identify and explain key software components Monitor and Control System front panel HiRAP real-time display demonstration EXPPCS operations demonstration STS-110 docking to the International Space Station PIMS ISS Web Site Functionality (http://pims.grc.nasa.gov) Real-Time Systems

8. Microgravity Analysis Software System (MASS) 2002Page 8 MASS Data Flow Diagram packetGrabber Listener/talker Real-time displays Interim data processing packetWriter ISS Acceleration Data Monitor and Control Database Control Interface to Microgravity User Community Acceleration Data and Image Archive

9. Microgravity Analysis Software System (MASS) 2002Page 9 Monitor and Control System Front Panel

10. Microgravity Analysis Software System (MASS) 2002Page 10 Outline Motivation - why have a separate off-line system? Useful access to all acceleration data in archive >> mountain = muchoAccelerationData; >> motivationForOffLine = molehill ( mountain ); How much is muchoAccelerationData ? A couple of molehill examples – batch processing Sample session, step-by-step Sample output Off-Line Analysis

11. Microgravity Analysis Software System (MASS) 2002Page 11 Motivation: how much data are we talking about? Off-Line Analysis

12. Microgravity Analysis Software System (MASS) 2002Page 12 1 2 12 hours Spectrogram boundaries & structure in time and frequency Why is RF # 2 working so much? over 2 hours! Off-Line Analysis

13. Microgravity Analysis Software System (MASS) 2002Page 13 Principal Component Spectral Analysis: summarize acceleration spectrum Exercise Vehicle structural modes SLEEP WAKE Centrifuge Antenna dither 1 2 LSLE refrigerator compressors span > 15 days Off-Line Analysis

14. Microgravity Analysis Software System (MASS) 2002Page 14 Front-End GUI To Specify Data Set(s) of Interest Sample Session: Step 1 Off-Line Analysis

15. Microgravity Analysis Software System (MASS) 2002Page 15 Data Loader GUI(s) Offer Distinct Data Sets/Gaps Sample Session: Step 2 Off-Line Analysis

16. Microgravity Analysis Software System (MASS) 2002Page 16 Disposal GUI To Specify Output Parameters Sample Session: Step 3 Off-Line Analysis

17. Microgravity Analysis Software System (MASS) 2002Page 17 Editor GUI To Change Parameters Sample Session: [ Step 3.1 ] when defaults just won’t do plot-specific editor for each type of output Off-Line Analysis

18. Microgravity Analysis Software System (MASS) 2002Page 18 Sample Session: Step 3 (resume) Disposal GUI To Specify Output Parameters Off-Line Analysis

19. Microgravity Analysis Software System (MASS) 2002Page 19 Editor GUI To Change Parameters Sample Session: [ Step 3.2 ] when as-archived orientation just won’t do on-the-fly addition of custom coordinate systems several methods to define coordinate systems (Euler, quaternion, axis/angle) visual aid to verify coordinate system orientation Off-Line Analysis

20. Microgravity Analysis Software System (MASS) 2002Page 20 Disposal GUI To Specify Output Parameters Sample Session: Step 3 (resume) Off-Line Analysis

21. Microgravity Analysis Software System (MASS) 2002Page 21 Sample Output Qualify Disturbances Off-Line Analysis

22. Microgravity Analysis Software System (MASS) 2002Page 22 Sample Output Quantify Disturbances Shuttle Primary Reaction Control System (PRCS) Thruster Firing ~ 50 mg Off-Line Analysis

23. Microgravity Analysis Software System (MASS) 2002Page 23 Sample Output Comparisons compare adjacent racks, same time frame, same cutoff Off-Line Analysis