RadPC takes a new approach to providing radiation tolerance in space computing. Instead of trying to avoid the impacts of space radiation by modifying the underlying materials of integrated circuits (i.e., radiation hardening), RadPC implements a novel computing architecture on a commercial off-the-shelf (COTS) Field Programmable Gate Array (FPGA) that expects faults to occur and is designed to recover from them. Using a series of patented fault recovery procedures, RadPC is able to continue foreground operation in the presence of radiation-induced faults and repair faulted circuity in the background. The RadPC technology has been tested on high-altitude balloons (8x), on sounding rockets (2x), on internal tests on the International Space Station (3x), and on small satellites (2x). In 2024 RadPC will be demonstrated on the lunar surface through NASA's Commercial Lunar Payload Services program.
RadPC Single Board Computer (SBC)
CyberShield is an option that can be added to RadPC that will obfuscate the redundancy computing cores to detect and defeat malware. This is accomplished through an opcode randomization algorithm that guarantees that only one processor can be infected at any given time. The RadPC+CyberShield solution is seamless to the developer and to the function of the computing system providing a small satellite computer that can operate in the presence of both radiation-induced faults and human-initiated intrusions.
RadPC with CyberShield
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