Customer: Centre National d’Etudes Spatiales (CNES)

Programme: Mini/Micro-satellites

Supply Chain: CNES > CS Group SPACE

Context

**Challenge : **

• Maintaining competence over a very long maintenance period
• Sustainable teams
• Reactivity for taking into account anomalies and requests for changes in order to meet operational constraints

CS Group responsabilities for Third maintenance of application for mini-micro control centers are as follows:

• Development, Validation, Maintenance

The features are as follows:

• G1, G1-Tools : Functions of On-Board/Ground Interface G2 : Orbit and Attitude Calculation G3 : Archiving and Data Operations G4 : Exchange of interface files with the Mission Centers DRPPC : Telemetry display and replay SWWW-NG : Access to data stored on G3 Outils-CCC : Bringing together various tools at CCC level TBM : Encoding and decoding tables beside the MYRIADE POPS : Programming the planning of Mini or Micro operations GTC : Generation of PARASOL TC.

Project implementation

The project objectives are as follows:

• Third-party application maintenance of the Mini-Micro satellites Ground Segment

The processes for carrying out the project are:

• V Cycle,

Technical characteristics

The solution key points are as follows:

• Criticality, availability and robustness of the system

The main technologies used in this project are:

Domain	Technology(ies)
Hardware environment(s)	Linux PC, Windows PC
Operating System(s)	Redhat Enterprise Linux 5 (secured), CentOS 6.6
Programming language(s)	C, C++, Java, Perl, Tcl/Tk, Python, Delphi
Production software (IDE, DEVOPS etc.)	Visual C++, SLGMS, Ant, Maven, SVN, TestLink, UML (Rational / Pink) partially