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 3.7 - Instrumentation for Physical Science TRP Reference: Title: T308-03MM Oxygen sensing/control Any device operating at elevated temperatures has a strong demand for measuring partial Oxygen pressures as the content of this radical deteriorates every material in long term, and oxygen outgassing from compounds needs to be immediately detected to prevent facility damage. Within this activity a development of a sensor technique to measure oxygen partial pressure in the Electro-Magnetic Levitator processing atmosphere via electrolytic cells with high vacuum compatibility is proposed. Based on this sensor a control can be set-up that will be completed within this activity in terms of feasibility, too. In addition the activity will also focus on methods to reduce residual oxygen concentrations. Deliverables: Tested sensor breadboard, oxygen reduction and control loop breadboard Current TRL: TRL2 Target TRL: TRL3-4 Application Need/Date: TRL5 by 2008 Application/Mission: ISS MSL/EML Contract Duration: 24 months SW Clause : - Dossier0 Ref.: T-822 Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: T308-06MM Title: Enhanced Mini Lda This activity aims at enhancing the features of a 1D-Mini-LDA System currently under development under ESTEC Contract No. 16554/02/NL/CP.The optical components of the 1D-Optical Measurement Head are already prepared for an upgrade to a 2D-Optical Measurement Head. In addition to the upgrade of the measurement head the expected FSL/EC breadboard is planned to be used together with the head after having been extended on h/w and s/w level to allow for real simultaneous measurements of two velocity components and their directions. After design, manufacture, integration and calibration, the 2D-Mini-LDA System shall be applied to representative experiments to verify its scientific measurement performance. Deliverables: One 2D Optical Measurement Head, representative for the FSL micro-gravity experiments, integrated into an updated/calibrated BB system for scientific measurement performance verification. Final Reoprt (+ measurements experimental verification). Current TRL: TRL2 Target TRL: TRL4 Application Need/Date: TRL5 by 2008 Application/Mission: ISS FluidLab Contract Duration: 18 months SW Clause : - Dossier0 Ref.: T-822 Consistency with Harmonisation Roadmap and Conclusions: Page 67 of 227
TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 3.8 - Payload Data Handling TRP Reference: T310-02ES Title: COTS based space borne computer 1 The use of COTS components for the design of on-board computers is not new but has always been considered in a case-by-case basis when appropriate. Convergence between several industrial domains: aircraft, automotive and space have demonstrated that COTS-based solutions used in these domains can be applied also to space. Evolution of the system design techniques is also rendering possible the use of robustness by design techniques better than intrinsic robustness by radiation hardening. It is then proposed to study COTS based solution for on-board computers in the domain of high reliability oriented systems and safety & availability oriented systems. The objective of this activity is to propose solutions towards space borne COTS based computers and to assess their efficiency and usability for real space missions. At the software level there are considerations about the reintegration of a failed unit. It is difficult point since modern powerful processors contain on-chip caches. Reloading of these caches is not possible, and thus the software in the triple units has to be aware that a resynchronisation is taking place and thus needs to flush the data and instruction caches of the non-failed units. Continuation of this activity is foreseen in GSTP. Deliverables: Breadboard Current TRL: TRL2 Target TRL: TRL3 Application Need/Date: TRL5 by 2010 Application/Mission: Robotics, Exploration Missions Contract Duration: 12 months SW Clause : - Dossier0 Ref.: T-7800 Consistency with Harmonisation Roadmap and Conclusions: Page 68 of 227
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