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Test and analysis teams. Frank Helmich. Overview. History Planning this year Test teams - organigram Data Processing for ILT Training sessions Further training Outlook. History.

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Presentation Transcript
overview
Overview
  • History
  • Planning this year
  • Test teams - organigram
  • Data Processing for ILT Training sessions
  • Further training
  • Outlook

AIV/Calibration meeting

history
History
  • Already in calibration review of 2004 a closer interaction between calibration group and AIV/ILT team was requested
  • This led in the following 1.5 year to
    • Improvements in documentation
    • A few calibration group members actively participated in the DM/QM tests
    • The start of a series of meetings: Strategic AIV
  • Both sides AIV-team and calibration-team hoped for more combined work, but we all agreed that it was best to wait for the full FM for more action
  • This year we will have the full FM for testing, calibration and characterization -> Joint meeting

AIV/Calibration meeting

planning this year
Planning this year
  • From AIV/ILT side there has been QM analysis and DM2 testing
  • (Tests have been done on S/S level)
  • Integration and functional tests have been performed
  • For reviews: we have seen the start of the Science Verification Review and the Test Readiness Review
  • In calibration there has been a new draft of the PV plan
  • A workshop on planetary atmospheres and Mars will be held in October
  • Observations with APEX on CO lines in AGB stars have been requested
  • Real integration with the AIV team has started and will be in place for ILT-FM3

AIV/Calibration meeting

test analysis teams
Test & analysis teams
  • Of the main conclusions of many HIFI reviews:
    • The AIV team is too small
    • The data analysis is often delayed until after the tests such that the testers lack immediate feedback
  • Combine the qualities of AIV and calibration teams
    • Intimate knowledge of HIFI with all its sub-systems
    • Skills in data analysis
  • Form test and analysis teams for:
    • Preparation of the tests
    • Performing the tests
    • Immediate feedback from planned analyses
    • Reporting in a stream-lined fashion
    • The best preparation for Performance Verification (PV) in orbit

AIV/Calibration meeting

organigram
Organigram

AIV/Calibration meeting

data processing training for ilt
Data Processing training for ILT
  • Data processing for Herschel is a joint project of the three instruments, ESA and the NHSC
  • Herschel Common Science System contains all of it
  • There are still problems to be solved before all of it can be used
    • Test engineers need to know how it works and start using it
    • Test and analysis teams need to be familiar with the software just like with their usual analysis packages
    • The system is evolving, and thus contains bugs at all times
  • Over the last half year many analyses were done using DP
  • Some analyses were outside the whole system, especially when no data was generated for the data base (e.g beam)

AIV/Calibration meeting

data processing use test engineers teams
Data processing use – test engineers & teams
  • All the test engineers know the HCSS by now
  • Two training sessions were held over the last months
    • 7 & 8 June
    • 4 & 5 September
    • These were given by Tony, Russ & Volker (June) and Tony & Volker (September)
    • The first session generated an enormous boost in the system, due to all complaints
    • The number of people able to work with HIFI data increased tremendously
    • Hardly any of these people found him/herself capable in the whole system
    • The second session was better structured, had less people, but still revealed software problems, especially in installer set-up and connecting to the data bases

AIV/Calibration meeting

evolving system
Evolving system
  • The HCSS is an evolving system
    • This has both advantages and disadvantages
    • Advantages:
      • The system is already large and is still extended
      • The system has an error/change-reporting system
      • The effort is well coordinated
    • Disadvantages
      • The system can be very complex
      • SxRs are not always solved on the spot
      • The users will be regularly updated
    • At the Test Readiness Review the board recommended a frozen version to be used in the test room
    • Outside the test room newer versions can be used

AIV/Calibration meeting

test analysis teams tasks
Test & analysis teams - tasks
  • Preparing the tests based on experience with DM. QM and functional tests and taking into account in-orbit needs
  • Up-date the operational procedures for the tests
  • Writing the up-link scripts in the Common Uplink System (CUS)
  • Executing the tests (only trained personnel)
  • Performing the Quick Look Analysis using QLA software
  • Divide the test results Obsid’s amongst the test team
  • Analyse the data
  • Write reports and put these on the ILT wiki
  • Feed results back to the ILT-teams

AIV/Calibration meeting

further training
Further training
  • We had planned exercises to be done by all the test team members
  • This turned out to be difficult due to software problems and the holiday period
  • Therefore training needed to be done within the separate test teams
    • Stability team is having regular telecons
    • Radiometry team has spent one entire day discussing and exercising
    • More teams will follow this month
  • We hope to extract several exercises from these training days

AIV/Calibration meeting

real testing
Real testing
  • When all scripts are exercised and hardware is in
  • It is expected that team members are present in Groningen when their tests are due
  • Test teams can (TBC) use the separate cabin in room 50 for immediate evaluation of the data.
  • Data will be transported to the outside system approximately once a day
  • Analysis can be performed from the second floor rooms or from outside SRON after data base export
  • Reports, performance- and calibration parameters can later be generated
  • So, we are ready to start

AIV/Calibration meeting