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Reliability is an important concern in many Field Programmable Gate Array (FPGA) based designs, mainly in applications which must be free of faults, and need to be available for long periods of time. Triple Modular Redundancy (TMR) is a well known approach for a system to tolerate possible faults, but a permanent fault in the TMR hardware may diminish the redundancy advantage. In this paper, we present...
In this paper we present a low cost fault-tolerant attitude determination system to a scientific satellite using COTS devices. We related our experience in developing the attitude determination system, where we combine proven fault tolerance techniques to protect the whole system composed only by COTS from the effects produced by transient faults. We detailed the failure cases and the detection, reconfiguration...
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