Image of INVAP S.E. - OBC for GEO on the satsearch marketplace

Key highlights

INVAP has more than 25 years of experience designing and implementing flight software for LEO and GEO missions.
OBC includes the Flight Software libraries and Applications to be extended for specific missions.
Flight Software Development is based on ECSS-E-ST-40C Standard

Applications

Management functions
• Telecommand decoding and processing.
• Telemetry gathering, formatting and transmission.
• Time Management.
• System Telemetry (analog and digital) Acquisition.
• System supervision and FDIR execution.
• AOC Sensors data gathering.
• AOC Control loops execution and actuators commanding.
• Temperature acquisition.
• TCS Control loop execution and actuators commanding.
• Science and HK data storage (optional).
• System data and HK Telemetry formatting and transmission.
• Science data formatting and transmission (optional).

Key features

Features
Number of modules    13 (5 dierent types)
Power Supply        24-36 V
CPU Processor        LEON3-FT - ASIC GR712 @80Mhz
Performance        107,2 DMIPS @ 80MHz per core    
Safe guard memory [Mb]    1 x 2

Environment
Application fields    GEO/LEO/MEO missions
Lifetime        15 Years
Radiation        SEL immune / SEU tolerant
Temperature range    - 15 /50 °C Operation - 25 / 60 °C Qualication
Cold Start up        - 25 °C
EMI/EMC            MIL-STD-461
EEE Quality        Level 1
Vibration        25 g peak, 14 grms

Budgets
Mass            15,5 Kg
Dimensions (L x W x H)    288 x 290 x 210 mm
Power Consumption    56 W (<86 W peak)


interfaces @ typical configuration withredundancies
CAN BUS / Mil-STD-1553    1 / 1
SpaceWire        4
Digital            48 GPO / 80 GPI
UART            8
Temperature lines    180
Analog            48 Inputs / 4 Outputs
HPC            88 (FSW controlled) / 16 (Hard Command)

Customization

Fligth Software Components
• Application: Mission-specific code, configure services and libraries, start point of the specific application.
• APP Support Library: Packet adaptation layer from PUS (ECSS-E-ST-70-41C - Telemetry and telecommand packet utilization Standard) packet format to internal format.
• Services Library: PUS format routines (services specified in the PUS standard) PUS extension for mission-defined service, and general infrastructure software services. Includes the software library that provides the altitude and orbit control functionality as a software component.
HW Support Library: Software device controller’s abstractions for the OBC.
• Core Library: Software components common to all FSW sharing this architecture. This library provides the basic software infrastructure for all the above layers.

Flight heritage

INVAP MAIN MILESTONES & FLIGHT HERITAGE
6 LEO SATELLITES LAUNCHED - 2 LEO SATELLITES AT IN-ORBIT OPERATIONS - 1 LEO SAT UNDER DEVELOPMENT.
2 GEO SATELLITESAT IN-ORBIT OPERATIONS - 1 GEO SAT UNDER DEVELOPMENT.

Manufacturing

INVAP core activities are developed in-house ensuring full control throughout the entire process, thus guaranteeing long-term commitmen twith the client.

Testing & qualification

Environment
Application fields    GEO/LEO/MEO missions
Lifetime        15 Years
Radiation        SEL immune / SEU tolerant
Temperature range    - 15 /50 °C Operation - 25 / 60 °C Qualication
Cold Start up        - 25 °C
EMI/EMC            MIL-STD-461
EEE Quality        Level 1
Vibration        25 g peak, 14 grms

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Last updated: 2024-09-10

OBC for GEO

Image of INVAP S.E. - OBC for GEO on the satsearch marketplace

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