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Fault-tolerance is becoming an essential feature in the design of Networked Control Systems (NCSs). Furthermore, Sensor-to-Actuator (S2A) architectures have shown some advantages over conventional In-Loop architectures. This paper focuses on fault-tolerant controllers in the context of S2A systems. It proposes the use of Triple Modular Redundancy at the controller level. The fault-tolerant controller...
The mitigation of single-event upsets (SEUs) through modular or functional redundancy is a traditional approach for designing fault-tolerant systems; however, even in multiple redundant systems, SEUs can lead to a system failure if they occur simultaneously. Previous fault-tolerant approaches have proposed run-time reconfiguration to regain the lost functionality. We worked with a similar strategy...
In order to increase reliability and availability of Static-RAM based field programmable gate arrays (SRAM-based FPGAs), several methods of tolerating defects and permanent faults have been developed and applied. These methods are not well adapted for handling high fault rates for SRAM based FPGAs. In this paper, both single and double faults affecting configurable logic blocks (CLBs) are addressed...
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