Rosetta lander system and programmatics berndt feuerbacher dlr cologne
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Rosetta Lander System and Programmatics Berndt Feuerbacher, DLR Cologne. Payload Review 8-June-2000. Overview. Project team reorganized in January 2000 Joint Task Force established between Lander Team and ESA Schedule reworked for EQM and FM Team strength increased

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Rosetta Lander System and Programmatics Berndt Feuerbacher, DLR Cologne

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Rosetta lander system and programmatics berndt feuerbacher dlr cologne

Rosetta LanderSystem and ProgrammaticsBerndt Feuerbacher, DLR Cologne

Payload Review

8-June-2000


Overview

Overview

  • Project team reorganized in January 2000

  • Joint Task Force established between Lander Team and ESA

  • Schedule reworked for EQM and FM

  • Team strength increased

  • Project resources increased

  • Close contact established within Lander team

  • FDIR analysis in progress


Rosetta lander team

Key System Contributions

Rosetta Lander Team

Instrument PIs

  • MPAe Lindau

  • MPE Garching

  • MPC Mainz

  • IAS Orsay

  • DLR Cologne

  • DLR Berlin

  • Open University Milton Keynes

  • KFKI Budapest

  • University Münster

  • LPG Grenoble

  • DLR Cologne

  • DLR Braunschweig

  • MPAe Lindau

  • MPE Garching

  • CNES Paris, Toulouse

  • ASI Roma

  • KFKI Budapest

  • STIL Dublin

  • FMI Helsinki

  • RAL Chilton

  • IWF Graz


Joint task force

Joint Task Force

  • Established Jan 2000 on behalf of Executive Managenment Committee

  • Mandate:

    • consolidate mission, system and operations issues

    • consolidate schedule

    • assessment 3 months, implementation 3 months

  • Members from Lander Team and ESA

  • Results

    • mission assessment completed, implementation in progress

    • schedule delay reduced

    • many technical, financial and schedule issues resolved

    • close cooperation Lander Team - ESA established


Project resources

Project Resources

  • New management structure established Jan 2000

  • Staffing increased, all vacancies filled

  • Resources increased through efforts of

    • DLR

    • CNES

    • ESA

  • Flywheel and ESS Software contracted to industry

  • Two integration teams formed (DLR, MPAe) for parallel work on EQM, FM


Subsystem status

Subsystem Status

  • Structure & Thermal

    • STM qualified, EQM delivered, FM on track

  • Power

    • PCU: EQM integrated and tested, FM integration starts with EQM-2, exchange for FM Dec 2000, schedule critical, progress is shadowed

    • Solar generator: FM cells delivered, integration in progress

    • battery capacity upgrade agreed

  • CDMS

    • EQM integrated and tested, FM on track

    • Software: progress satisfactory, staff reinforcement established

  • Descent system

    • ADS: EQM on track, FM delayed due to components delivery, no impact on overall FM schedule

    • Flywheel:contract signed, FM in production


Subsystem status ii

Subsystem Status II

  • Anchor - on track

  • Landing Gear

    • FM and DM schedule agreed

    • detailed design in certain areas incomplete

    • qualification parallel to FM integration

  • Orbiter-Lander interface

    • TxRx: EQM integrated and tested, FM on track

    • ESS: FM software contracted to industry, hardware progress slow , development shadowed

    • MSS: on track

  • STM separation tests successfully completed

  • Sample retrieval and distribution

    • Drill EQM integrated, FM on track


Payload overview

Payload Overview


Operations

Operations

  • Lander delivery at 3 AU

  • Science operations consists of

    • initial science sequence

    • long term operations

  • timeline for initial science (65h) supported by battery

    • energy margin critical

    • increase of battery enhances robustness

  • extended operations timeline supported by solar generator + secondary battery


Aiv status

AIV Status

  • EQM delivery and integration complete except for

    • CIVA-CE, CIVA/M, CASSE, DIM, PP (LG-Foot)

    • Outstanding activities:

      • CDMS S/W update

      • Integration and Integrated Unit Tests of above mentioned units

      • Integrated Unit Tests for SD2, ADS

      • Final MLI and harness work

    • Tests to be performed prior to EQM delivery to ESA:

      • Integrated System Tests, partially with EMC testing on integrated unit level (June / July 00)

      • End-to-end Test with ESS + MSS (June / July 00)

      • Lander Level EMC Qualification Tests (August 00)


Schedule overview

Schedule Overview


Fm milestone development subsystems 1

FM Milestone Development Subsystems (1)


Fm milestone development subsystems 2

FM Milestone Development Subsystems (2)


Fm milestone development payload 1

FM Milestone Development Payload (1)


Fm milestone development payload 2

FM Milestone Development Payload (2)


Conclusions

Conclusions

  • Project consolidation process proceeds satisfactory

  • Lander status as Orbiter subsystem implemented

  • Joint Task Force works efficient and successful

  • Coordination within Lander team improved

  • Shadow engineering implemented for critical subsystems / payloads

  • Schedule incompatibility minimized, based on testing opportunities after delivery

  • Project remains fragile, but all partners combine efforts to ensure success


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