End-to-End Ozone Mapping and Profiler Suite (OMPS) Mission Data Modeling and Simulation

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1 End-to-End Ozone Mapping and Profiler Suite (OMPS) Mission Data Modeling and Simulation Angela Li, Jizhong Chen*, Gary Smith, Lesyle Boyce, Christopher Roberts NASA Goddard Space Flight Center, Software Engineering Division, Mail Code *Columbus Technologies and Services 01/08/12 1 Pending NASA Code 500 Review

Roberts NASA Goddard Space Flight Center, Software Engineering Division, Mail

2 Benefits Requirements traceability to design, code and test in integrated environment Consistent architecture, design, code and documentation of both Flight and Ground Software Subsystems Reverse engineer C, C++ or Java code for capturing existing Flight and Ground systems developed without a standardized methodology Facilitates automated Verification and Validation(V&V) and gap analysis through the use of model checking tools 2

C, C++ or Java code for capturing existing Flight and Ground systems developed without a standardized

3 Benefits (Continued ) Full behavioral code generation for C, C++ and Java applications targeting real-time operating systems Interface Definition and Management - System -to- System and External Interfaces - Verification of information flow between key Interfaces SysML provides flexible allocation tables that supports requirements allocation, functional allocation, and structural allocation SysML provides linkage with DoDAF, MODAF or UPDM support 3

Verification of information flow between key Interfaces SysML provides flexible allocation tables that supports

Cross Support Flight Segment DMSG DMSP-x JAXA GCOM-x EUMETSAT METOP-x DMSG DWSS-x NRL WINDSAT NASA NPP Cross Support Ground Systems JAXA Ops EUMETSAT Ops AFSCN JPSS Program JPSS Flight Projects

JPSS, DWSS, GCOM, Free Flyer Data Acquisition and Routing Only DMSP, METOP, WINDSAT JPSS Context Diagram March 2, 2011 External NOAA Organizations OSPO STAR Climate Service OSD NWS Customers IDPS

4 Cross Support Flight Segment DMSG DMSP-x JAXA GCOM-x EUMETSAT METOP-x DMSG DWSS-x NRL WINDSAT NASA NPP Cross Support Ground Systems JAXA Ops EUMETSAT Ops AFSCN JPSS Program JPSS Flight Projects JPSS-1 JPSS-2 Free Flyer TSIS FF NPP (Instruments) Services FF SARSAT A-DCS JPSS Ground Project Flight Operations NPP, JPSS, DWSS, Free Flyer Data Acquisition Product Generation and Distribution NPP, JPSS, DWSS, GCOM, Free Flyer Data Acquisition and Routing Only DMSP, METOP, WINDSAT JPSS Context Diagram March 2, 2011 External NOAA Organizations OSPO STAR Climate Service OSD NWS Customers IDPS Consumers AFWA, FNMOC, NAVO, NESDIS/NDE, CLASS - National Weather Service, USDA, EPA, Agriculture, Fisheries, DoD Branches of Service etc. Direct Readout Consumers Civilian, Military, Int l Search and Rescue External NASA Organizations \ Launch Services Program (LSP) Near Earth Network (NEN) Space Network (SN) Flight Dynamics Facility (FDF) NASA Science Data Segment (SDS) - NPP Only LaRC for CERES Development

FDF TDRSS (Example of Use) GCOM Ops (JAXA) * Implementation dependent Legend: Launch Support, Commissioning & Contingency WSC SDS (NPP) JPSS Ground System Operational Flows OV-1 Telemetry Tracking &

Intermediate product (RIP) X-Band X-Band AFWA xdrs / Metadata Data Quality Report JPSS-n DR Terminals FNMOC L/X-Band L/X-Band Field Terminals Ka-Band Argos Beacon / HK Data/ SARSAT MSD Field Terminal

5 FDF TDRSS (Example of Use) GCOM Ops (JAXA) * Implementation dependent Legend: Launch Support, Commissioning & Contingency WSC SDS (NPP) JPSS Ground System Operational Flows OV-1 Telemetry Tracking & Control Free Flyers*: TSIS/A-DCS/ SARSAT P r o v i d e s M i s s i o n P l a functions Launch Support n n i Stored Mission Data GCOM-n HRD LRD MSD KSAT NWS TOC (NOAA) GCOM SMD Retain Intermediate product (RIP) X-Band X-Band AFWA xdrs / Metadata Data Quality Report JPSS-n DR Terminals FNMOC L/X-Band L/X-Band Field Terminals Ka-Band Argos Beacon / HK Data/ SARSAT MSD Field Terminal Users Mission Support Data March 2, 2011 DWSS-n Joint Polar Satellite System (JPSS) Ground System CLASS (NOAA) Algorithm Updates STAR (NOAA) X-Band NPP NESDIS/ NDE (NOAA) NAVO DMSP DP (AFWA) Ka-Band X-Band WindSat DP (NRL/ FNMOC) Operations Coordination WindSat / Coriolis DMSP Ops (NOAA / 6 SOPS) Ancillary Data, ODAD, SDAD, CODAD S-Band Coriolis Ops (AFSPC) GPS Crypto Keys DMSP-n McMurdo NSA GPS X-Band MetOp-n Security EUMETSAT Backup TT&C

6 Mission Data Formats The Consultative Committee for Space Data Systems (CCSDS) Packet Multiplexing Protocol Data Unit (MPDU) Coded Virtual Channel Data Unit (CVCDU) Channel Access Data Unit (CADU) Raw Data Record (RDR) Science Data Record (SDR) Environmental Data Record (EDR) Intermediate Product (IP) 6

Data Unit (CVCDU) Channel Access Data Unit (CADU) Raw Data Record (RDR)

7 OMPS Total Column Data Flow 01/08/12 7

8 Strategies Rapid prototyping of behavioral model Enable early proof of concept and requirement verification and validatin Leverages NASA reusable assets to rapidly create executable models Provides simulation of the runtime environments Verify adequacy of real-time performance requirements Provides capability for early detection and isolation of potential data flow bottleneck Providing a model view of the system that is scalable to simulate worst case demand loading 8

environments Verify adequacy of real-time performance requirements Provides capability for early detection and

9 Strategies (Continued ) Document the format and timing of information flows between systems and/or subsystems in standardized graphical format Provide automated interface-to-interface verification and validation Support subsystem testing and verification By providing high fidelity modeling of external stimulus to the unitunder-test in a controlled environment 9

interface-to-interface verification and validation Support subsystem testing and

10 Approaches Flight Vehicle Test Suite (FVTS) Hardware based Engineering Model (EM) class Software or COTS hardware based Operations (OPS) class End-to-End Data Modeling Capture data format change from CCSDS packet to CADU Use UML tools Generate code for simulation Verify the FVTS simulation results independently Object Oriented (OO) model Easy to extend Data driven simulation 01/08/12 10

from CCSDS packet to CADU Use UML tools Generate code for simulation Verify the FVTS simulation

11 OMPS Class Diagram 01/08/12 11

12 OMPS Sequence Diagram 01/08/12 12

13 Path Forward Integrate the model with an XML Parser Initialize the model with real OMPS science RDR files Done Run the Simulation from Packet to CADU Make the model simulation data driven Run simulation side-by-side with FVTS Or feed the simulation data into FVTS 01/08/12 13

Packet to CADU Make the model simulation data driven Run simulation

14 Summary OMPS End-to-end Data Modeling provide us a clear, visual way to understand mission science data format The Simulation capability of the data model provide us a way to inject real science data into FVTS The object oriented nature of the model is very easy to be extended to any instrument, any data product, including: Spacecraft house keeping Instrument calibration 14

real science data into FVTS The object oriented nature of the model is very easy to be

15 Acknowledgement Holly Abraham Columbus Technologies and Services Brett Mathews - Columbus Technologies and Services Larry Barrett Orbital Science Corp. Richard Cember Computational Physics Inc. Timothy Dorman Computational Physics Inc. 15

Marcus A. Watkins Director of the Joint Agency Satellite Division, Science Mission Directorate, NASA HQ, Washington DC

Marcus A. Watkins Director of the Joint Agency Satellite Division, Science Mission Directorate, NASA HQ, Washington DC Leads the Joint Agency Satellite Division (JASD) at NASA HQ in Washington, DC and