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Coordinating Science Operations: Interfaces, Formats, and ITL Syntax Overview

This presentation focuses on the key interfaces and formats used in the Science Operations Team at ESA/ESTEC. It highlights the three primary operational interfaces—on the test floor, during commissioning, and in nominal science operations—all now standardized to ITL syntax. The session covers responsibilities by various teams, the transition from Flight Control Procedures to Telecommand sequences, and the implementation of different systems like CCS, MOIS, and EPS. Key challenges, successful integrations, and the use of ITL for operational requests are also discussed.

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Coordinating Science Operations: Interfaces, Formats, and ITL Syntax Overview

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  1. Interfaces - presented at the SWT #10 Detlef Koschny and the Science Operations TeamResearch and Scientific Support DepartmentESA/ESTEC detlef.koschny@rssd.esa.int To clarify the situation with interfaces, formats, etc. Summary: There are three different interfaces, but we now all speak the same language (ITL).

  2. Interfaces vs. project phase • On test floor • responsible is Alenia • uses CCS (Central Checkout System) • Syntax of operational files: ELISA • During commissioning phase • ESOC is responsible • Uses MOIS (Mission Operation Information System), based on Microsoft products (Excel, Visio, …) • Operations will be done using interactive approach, “paper” procedure required called Flight Control Procedures (FCPs) – inputs from experimenters previously collected via paper • ESOC collects inputs for database (Telecommands, TCs) • During nominal science operations • Only interface is RSOC • Operations is done with TC sequences (a sequence of TCs that is triggered from the Mission Timeline (MTL) – does not allow telemetry checks) • Uses Experiment Planning System (EPS), takes ITL syntax

  3. Interfaces vs. project phase • The only complication… • There will be a transition phase between FCPs and TC sequences after commissioning • Already in the commissioning phase we have two scenarios where the Science Operations Team is coordinating: Pointing and Interference Scenario • The good news: • There is a converter from ITL to ELISA • ESOC will accept all new input in ITL syntax • ITL syntax – some background • ASCII files in a syntax that allows to specify Operational Requests (OIORs), Telecommand Sequence definitions (CS), Flight Control Procedures (FCPs) including TM checks and special instructions to operators. • Really should be called ITL/EDF syntax… • Information on how to provide the info was sent out to at least everybody on my email list on the operational responsible – documented on our livelink server: http://astro.estec.esa.nl/livelink, Rosetta/Tools/EPS/User Manual (incl. Templates)

  4. Interfaces – Test floor Experiment Alenia team/ CCS Old: ELISA Converter ELISA New:ITL ELISA files CCS: Central Checkout SystemELISA: File syntax for CCSITL: Input Timeline, file syntax for RSOC software

  5. Interfaces – Commissioning Experiment RMOC SCOS 2000,MOIS Old: Paper input for FCPs Converter Now:ITL Excel+ paper Flight ControlProcedures FCPs: Flight Control Procedures (paper procs used for operations by ESOCRMOC: Rosetta Mission Operations CentreSCOS: Spacecraft Operating System – used by ESOC to operate RosettaMOIS: Used by ESOC to produce FCPs and Telecommand Sequences

  6. Interfaces – Science Operations Also used in Pointing and Interference Scenarioduring Commissioning Phase Experiment RSOC EPS,PTB RMOC SCOS 2000,MOIS OIOR(ITL syntax) POR TC sequencecalls CS updates(ITL syntax) CS updates(Excel) OIOR: Orbiter Instrument Operations RequestITL: Input Timeline (file syntax used by RSOC)RSOC: Rosetta Science Operations CentreEPS: Experiment Planning System – planning software used by RSOCPTB: Project Test Bed – environmental simulator used by RSOCPOR: Payload Operations Request – file syntax used from RSOC to RMOCCS: Telecommand Sequence

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