Summary

Antelope on-board computer (OBC) is the combination of a Telemetry, Tracking & Command (TT&C) module and a Data Processing Unit (DPU). It is responsible for satellite control and basic task performance such as communication handling, monitoring the satellite’s subsystems, handling the classic Fault Detection, Isolation and Recovery (FDIR) mechanism and performing planned tasks. Thanks to the a 160 GOPS FPGA system it can also handle complicated on-board data processing tasks enabling Earth Observation (EO), telecommunication and other demanding data processing applications.

Antelope was designed to maximize spacecraft safety. Thanks to customised mechanisms which protect against effects related to space radiation it can be applicable in more demanding missions. An optional layer of security is provided by the machine learning algorithms which, on the basis of telemetric data, detect events which may be considered as threatening to the security of the mission. If such an event is detected, the computer will notify the operator in order to take corrective actions.

Antelope is managed by Oryx - a modular flight software tool developed for the mission control of small satellites.

The video below is a presentation by KP Labs from the 2021 satsearch webinar: "a guide to advanced data processing and AI for satellite missions". For more information about the webinar, and to see footage of the entire event, please click here here

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Last updated: 2022-07-10

Antelope – On-Board Computer (OBC) with predictive maintenance

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Specs

7TRL
lead time1
4 to 9 mo
processor type
ARM Dual-Core Cortex R5
ARM Quad-Core Cortex A53
ARM Dual-Core Cortex R5F with FPU (TT&C module)
processor clock
R5F: 300 MHz
A53: up to 1.5 GHz
RAM
1 - 2 GB DDR4 with ECC
data interface
CAN
I2C
SPI
GPIO
LVDS
RS422
RS485
voltage
5.5 to 14 V (VBAT)
5 V (regulated)
operating temperature
-40 to 85 C (TT&C module)
0 to 100 C (DPU module)
radiation tolerance
20 krad

1. Depending on version and customization requirements.

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