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National Aeronautics and Space Administration (NASA) Glenn Research Center NASA Glenn Research Center (GRC) Acceleration Measurement and Analysis Projects.

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Presentation on theme: "National Aeronautics and Space Administration (NASA) Glenn Research Center NASA Glenn Research Center (GRC) Acceleration Measurement and Analysis Projects."— Presentation transcript:

1 National Aeronautics and Space Administration (NASA) Glenn Research Center NASA Glenn Research Center (GRC) Acceleration Measurement and Analysis Projects Over a Decade of Support for the International Space Station 1 kevin.m.mcpherson@nasa.gov thomas.h.stonge@nasa.gov

2 National Aeronautics and Space Administration (NASA) Glenn Research Center 2 ACRONYMDefinition AREDAdvanced Resistive Exercise Device ATVAutomated Transfer Vehicle BASS Burning And Suppression of Solids CASISCenter for the Advancement of Science in Space CEVISCycle Ergometer with Vibration Isolation System CIRCombustion Integrated Rack FIRFluids Integrated Rack GRCGlenn Research Center HiRAPHigh Resolution Accelerometer Package ISSInternational Space Station JAXAJapan Aerospace Exploration Agency MAMSMicrogravity Acceleration Measurement System MSGMicrogravity Science Glovebox NASANational Aeronautics and Space Administration OAREOrbital Acceleration Research Experiment OSSOARE Sensor Subsystem PCSAPrincipal Component Spectral Analysis PIMSPrincipal Investigator Microgravity Services PSDPower Spectral Density RMSRoot Mean Square RTSRemote Triaxial Sensor SAMSSpace Acceleration Measurement System SESensor Enclosure T2Treadmill 2 TBTerabytes TSH-ESTriaxial Sensor Head Ethernet Standalone

3 National Aeronautics and Space Administration (NASA) Glenn Research Center 1.Capabilities and Services 2.Science Support and Customers 3.Timeline of Acceleration System Deployment 4.Current Sensor Locations 5.Basics of the Microgravity Environment 6.Roadmaps for the Microgravity Environment 7.When Should I Run My Experiment? 8.Brief Characterization of Some Disturbances 3 Outline

4 National Aeronautics and Space Administration (NASA) Glenn Research Center Capabilities and Services 4 NASA GRC - continued goal of providing timely and readily accessible acceleration data, along with archival and analysis services for scientific payloads, structural dynamics monitoring, and technology developers. SAMS - the Space Acceleration Measurement System has:  the ability to instrument and measure the vibratory regime in all 3 of the ISS labs, including throughout the USL ( 0.01  f  300 Hz ).  VCB approval for upgrading the control unit, which provides a more robust, long-term solution for continued life-cycle support of the ISS. MAMS - the Microgravity Acceleration Measurement System:  measures the quasi-steady acceleration regime ( f < 0.01 Hz ).  data can be mapped to any location (rigid-body assumed). PIMS - the Principal Investigator Microgravity Services team maintains the acceleration data from the ISS and provides analysis and related services for investigators, sustaining engineering, and the microgravity community at-large.

5 National Aeronautics and Space Administration (NASA) Glenn Research Center 5 Capabilities and Services process & analyze Accel. Archive

6 National Aeronautics and Space Administration (NASA) Glenn Research Center 1.Capabilities and Services 2.Science Support and Customers 3.Timeline of Acceleration System Deployment 4.Current Sensor Locations 5.Basics of the Microgravity Environment 6.Roadmaps for the Microgravity Environment 7.When Should I Run My Experiment? 8.Brief Characterization of Some Disturbances 6 Outline

7 National Aeronautics and Space Administration (NASA) Glenn Research Center Science Support and Customers 7 NASA’s Physical Sciences Research Program conducts fundamental & applied research with experiments in: Fluid Physics Combustion Science Materials Science Fundamental Physics Complex Fluids SAMS/MAMS were designed to support these disciplines, and along with PIMS for analysis, these NASA GRC projects also fill an ongoing role in support of: Vehicle Loads and Dynamics Monitoring Technology Developers

8 National Aeronautics and Space Administration (NASA) Glenn Research Center 1.Capabilities and Services 2.Science Support and Customers 3.Timeline of Acceleration System Deployment 4.Current Sensor Locations 5.Basics of the Microgravity Environment 6.Roadmaps for the Microgravity Environment 7.When Should I Run My Experiment? 8.Brief Characterization of Some Disturbances 8 Outline

9 National Aeronautics and Space Administration (NASA) Glenn Research Center YEAR 9 RRS (0.1 arc/s) 1 sounding rocket, 1 shuttle TSH-FF (0.01 to 200 Hz) 3 sounding rocket, 2 shuttle 2012 MAMS HiRAP (0.01 to 100 Hz) Station Vibratory MAMS OSS (DC to 1 Hz) Station Quasi-Steady SAMS RTS (Ethernet Distributed) (0.01 to 300 Hz) Station Vibratory SAMS TSH-ES (Compact Ethernet Standalone) (0.01 to 300 Hz) Station Vibratory Timeline of Acceleration System Deployment on ISS from 2001 through 2028

10 10 Current Sensor Locations SAMS SE F02, MSG upper left seat track SE F03, ER2 lower Z panel SE F04, ER1 lower Z panel SE F05, ER4 drawer 2 SE F08, ER3 seat track TSH-ES05, CIR TSH-ES06, FIR ----------------------------------------------- MAMS in ER1 (OSS and HiRAP )

11 National Aeronautics and Space Administration (NASA) Glenn Research Center 1.Capabilities and Services 2.Science Support and Customers 3.Timeline of Acceleration System Deployment 4.Current Sensor Locations 5.Basics of the Microgravity Environment 6.Roadmaps for the Microgravity Environment 7.When Should I Run My Experiment? 8.Brief Characterization of Some Disturbances 11 Outline

12 National Aeronautics and Space Administration (NASA) Glenn Research Center Basics of the Microgravity Environment 12 a generic label, not intended to quantitatively characterize the platform

13 National Aeronautics and Space Administration (NASA) Glenn Research Center 13 Roadmap for Vibratory Regime spectrogram is a “roadmap” that shows boundaries and structure in time and frequency Ku-band Antenna FREQUENCY TIME MAGNITUDE

14 National Aeronautics and Space Administration (NASA) Glenn Research Center 14 4 DAYS -60 ng 90 minutes Roadmap for Quasi-Steady Regime pk2pk = 90 ng

15 National Aeronautics and Space Administration (NASA) Glenn Research Center 1.Capabilities and Services 2.Science Support and Customers 3.Timeline of Acceleration System Deployment 4.Current Sensor Locations 5.Basics of the Microgravity Environment 6.Roadmaps for the Microgravity Environment 7.When Should I Run My Experiment? 8.Brief Characterization of Some Disturbances 15 Outline

16 National Aeronautics and Space Administration (NASA) Glenn Research Center When Should I Run My Experiment? 16 …well, if you are in the US LAB, near the MSG (where SAMS sensor 121f02 is located), then your best 4-hour span is GMT hours 02 to 06

17 National Aeronautics and Space Administration (NASA) Glenn Research Center When Should I Run My Experiment? 17 …but, if you are in the Columbus module, near ER3 (where SAMS sensor 121f08 is located), then your best 4-hour span is GMT hours 01 to 05

18 National Aeronautics and Space Administration (NASA) Glenn Research Center 1.Capabilities and Services 2.Science Support and Customers 3.Timeline of Acceleration System Deployment 4.Current Sensor Locations 5.Basics of the Microgravity Environment 6.Roadmaps for the Microgravity Environment 7.When Should I Run My Experiment? 8.Brief Characterization of Some Disturbances 18 Outline

19 National Aeronautics and Space Administration (NASA) Glenn Research Center Brief Characterization of Some Disturbances 19 SourceBrief Characterization Notes Progress Reboost* duration = 11.4 minutes, x-axis step = 0.4 mg * mean values based on 24 reboosts ATV3 Reboostduration = 7.0 minutes, x-axis step = 0.3 mg Mode One ~0.1 Hz, fund. mode of main truss monitored daily by loads and dynamics team USL < 2 ugRMS, COL & JEM < 3 ugRMS (Sept. 2012) GLACIER Ops two narrowband spectral peaks: (1) 162 ugRMS @ 60 Hz, (2) 112 ugRMS @ 120 Hz Ku-Band Antenna5 to 17 Hz, nom. < 500 ugRMS with orbital period variations MSG Opsbroadband, step up 536 ugRMS for f < 200 Hz Robonaut Opsnarrowband peak: 50 ugRMS @ ~47 Hz ARIS Attenuation0.01 to 20 Hz, step down from ~100 to ~10 ugRMS (FIR ops) Crew Sleep/Wakedifference primarily below about 6 Hz CCAA fan: ~57 Hz or ~95 Hz, ~510 ugRMS water separator: ~98 Hz, ~234 ugRMS

20 National Aeronautics and Space Administration (NASA) Glenn Research Center 20 Backup Slides for Details on… Mode One Ku-band Antenna ATV3 Reboost ARIS Attenuation during FIR Ops Historical Look at Sensor Locations

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