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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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  • History

  • Planning this year

  • Test teams - organigram

  • Data Processing for ILT Training sessions

  • Further training

  • Outlook

AIV/Calibration meeting


  • 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


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