Notice of Violation of IEEE Publication Principles - A novel co-design approach for soft error mitigation for embedded system

Amutha, C.; Ramya, M.; Subashini, C.

doi:10.1109/iceteeem.2012.6494492

Cited by 2 publications

(1 citation statement)

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“…The hardening techniques applied to processor architectures have been addressed either through software-based or hardware-based approaches or through both of them [10]. One of the most reliable and widely used approach consists in triplicating the core processor based in a COTS field-programmable gate array (FPGA), with an external radiation-hardened (Rad-Hard) component performing majority voting and reconfiguration tasks.…”

Section: Related Workmentioning

confidence: 99%

Data Analysis and Results of the Radiation-Tolerant Collaborative Computer On-Board OPTOS CubeSat

Martín-Ortega

Rodríguez

Mingo

et al. 2019

International Journal of Aerospace Engineering

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The current evolution of the space missions demands to increase the computing capacities of the on-board computer while reducing its power consumption. This requirement evolves faster than the ability of the manufacturers to develop better space-qualified processors. To meet the strong requirements, the National Institute of Aerospace Technology has developed a distributed on-board computer based on commercial off-the-shelf (COTS). This computer, named OPTOS, provides enhanced computational capacities with respect to what computers of other small satellites typically provide. To maintain the reliability needed to perform typical critical activities such as real-time maintenance or current surveillance, authors have conceived a set of collaborative hardening techniques, taking advantage of the distributed architecture of the OPTOS On-Board Computer. The 3-year mission data analysis shows the feasibility of the collaborative hardening techniques implemented, despite using SEU sensitive devices. The authors describe the processes and tools used to analyse the data and clearly expose the functional errors found at unit level, while the system remains unfaulty and reliable thanks to the collaborative techniques.

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Section: Related Workmentioning

confidence: 99%