document title / titre du document TRP W ORK PLAN ... - emits - ESA

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TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 6.15 - Mechanisms & Tribology TRP Reference: Title: 03/MMM-001 Self Contained Deployment Mechanism A SeCDeS (Self-Contained Deployment System),consisting of a motorized deployment system with a mechanism located in each of the panel hinge lines, is under development to reach a TRL4. The mechanism is simple, has low weight, and consists of a stepper motor connected to a gear box. All stepper motors are controlled from an electronic box located close to the root hinge of the spacecraft. The electronics are powered from a battery box also located close to the root hinge. The mechanism can easily be adapted to all types of mechanical hinges. This new system gives accurate panel synchronisation and the achieved SA cone angles are considerably reduced compared to existing systems. The subject CCN shall address two issues identified in the course of the BB development: 1. A miniaturized position sensor must be developed to achieve the BB performance. Sensor fundamentals and mechanical robustness as well as signal integrity and analog filtering techniques will be addressed as main objectives. An EM sensor will be built and tested. 2. A worst case environmental test of the double stage Harmonic drive gear box must be performed to ensure that the gearbox behaves as expected within the specified temperature range [Operational -130 degC to + 116 degC, Survival -180 degC to +116 degC]. Deliverables: Miniaturized position sensor Current TRL: TRL1-2 Target TRL: TRL4 Application Need/Date: TRL5 by 2009 Application/Mission: Solar Arrays Contract Duration: 9 months SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: Title: Self Contained Deployment Mechanism Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: Page 183 of 227
TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 TRP Reference: Title: 03/MMM-002 Integrated SADM+HDRM Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: 03/MNT-001 Title: Mirco Nano Satellite Technologies The subject CCN shall address two issues identified in the course of the BB development Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: T601-21MM Title: APSEE: Arc Phenomena in Space Environment & Equipment A miniaturized position sensor must be developed to achieve the BB performance. Sensor fundamentals and mechanical robustness as well as signal integrity and analog filtering techniques will be addressed as main objectives. An EM sensor will be built and tested. Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: Page 184 of 227
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