Abstract:Voting mechanism based safe function block compatible with IEC 61499 is proposed. The voting safe function block can vote the discrete or continuous parameters and get a reliable value. A new safe communication approach is proposed for not only error sensing but also error correcting. The approach use a triple data field copies to address error correcting problem, and more safety is achieved in communication by this way. By using voting safe function block, a more safe system based on common control devices is… Show more
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