Customer: Centre National d’Etudes Spatiales (CNES)
Programme: Mini/Micro-satellites
Supply Chain: CNES > CS Group SPACE
Context
CS Group responsabilities for MYRIADE generic on-board software are as follows:
- Design, Development, Integration, Maintenance. 2001-2004 for DEMETER, since 2019 for TARANIS
The features are as follows:
- Attitude and orbit management (AOCS)
- TM/TC management
- On-board time management
- Power supply management
- Thermal monitoring management
- Equipment management (acquisitions/commands)
- Solar generator management
- Payload management
Project implementation
The project objectives are as follows:
- Generic on-board platform software for MYRIADE micro-satellite series, for missions such as DEMETER, POLDER, PARASOL, PICARD, MICROSCOPE, TARANIS, …
The processes for carrying out the project are:
- Validation on software integration bench (BVL) and later on validation on system and AOCS validation bench (BVSS)
Technical characteristics
The solution key points are as follows:
- Optimization of calculation times in order to respect the sequencing of tasks
- AOCS monitoring
- Mode management
- Cyclic equipment acquisitions and commands
- ….
- Microprocessor: T805
The main technologies used in this project are:
| Domain |
Technology(ies) |
| Hardware environment(s) |
PC, Sun workstation |
| Operating System(s) |
Unix and Windows2000/NT |
| Programming language(s) |
C |
| Interoperability (protocols, format, APIs) |
CCSDS TM and TC |
| Production software (IDE, DEVOPS etc.) |
Design modeling with HOOD/STOOD |
