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Aitech Defense Systems will provide two embedded processing components for the Ares I Launch Vehicle’s Instrument Unit Avionics (IUA) Flight Computer (FC) and Command Telemetry Computer (CTC) systems.

Under a contract to Ball Aerospace and Technologies, Aitech’s S950 single-board computer (SBC) and S750 PCI mezzanine card (PMC) will be used in a triple-redundant configuration to provide flight control redundancy in the IUA FC function.

The S950 SBC offers a 1GHz processing engine and an increase of more than 20 per cent in performance than the previous version.

The Aitech S750 four-port Gigabit Ethernet PMC, hosted on the S950 SBC as a single-slot CompactPCI (cPCI) card set, will relay high-speed imaging data to the crew exploration vehicle’s (CEV) solid-state recorder and ground-support system.

Both radiation-tolerant cards are optimised for a variety of applications in low- and high-earth-orbit space vehicles such as flight computer and control, engine control and rocket staging, robotic-manipulator control and instrument-interface units.

The cards are also used in command and telemetry control, attitude and combustion control, payload control, solar-array and directional control as well as solar-array drive electronics (SADE).

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