Space Inventor On-Board Computer
State of the art report 2024
1U and larger satellites

OBC

On-Board Computer. Two Cortex M7 On-Board Computers with Dual Redundancy.

The OBC-P4 is an onboard computing platform consisting of four independent ARM Cortex-M7 modules, each with separate power supply, interfacing, and storage. The dual architecture makes the OBC-P4 a suitable choice for hot/cold redundancy solutions often desired for mission critical subsystems, such as T&C, GNC, or management of valuable payloads.

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OBDH

Size

OBC-P4 w/ ADCS algorithms
OBC-P4

MSRP

€18.000

Specifications

Description

Two Cortex M7 On-Board Computers with Dual Redundancy.

The OBC-P4 is an onboard computing platform consisting of four independent ARM Cortex-M7 modules, each with separate power supply, interfacing, and storage. The dual architecture makes the OBC-P4 a suitable choice for hot/cold redundancy solutions often desired for mission critical subsystems, such as T&C, GNC, or management of valuable payloads. The application of the OBC-P4 is further enhanced by the powerful DSP functionality provided with the Cortex-M7 architecture, which makes it possible to port heavy floating- point processing (e.g. ADCS algorithm without severe performance penalties, or error-prone quantization).
 

Features

Four fully independent onboard computer modules in a shared enclosure
4x ARM® Cortex-M7 Main Processing Units
Memory (per computer)
384 kB SRAM, 64 MB SDRAM, 128 MB NOR Flash and 2 MB Internal NOR flash
Interface
Redundant CAN and four independent RS-422 outputs
Ruggedized encosure for maximum thermal performance, radiation shielding and EMI reduction
Measurements
93 x 93 x 8.75 mm
Mass
160 g
Always-on ultra-low-power real time clock
AOCS algorithms

Mechanical drawing

Space Inventor On-Board Computer Blueprint

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