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SYNTHESIS OF SELF-CHECKING COMPUTING DEVICES BASED ON A COMPLETE SYSTEM OF SPECIAL GROUPS OF THE DIAGNOSTIC OBJECT OUTPUTS

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Features of concurrent error-detection circuit synthesis for a known diagnostic object structure are discussed. A complete set of special groups of outputs that characterize them by some diagnostic parameter is presented. Separation of special groups of outputs allows to select a code for building an integrated control circuit, taking into account the possibility of detecting errors with a specific multiplicity and a certain type. A method for constructing an integrated control circuit is proposed, which involves an analysis of all subsets of the diagnostic object outputs, their classification by belonging to any special group of outputs, as well as the subsequent coverage of all outputs by special groups with the choice of the best coverage method by the criterion of structural redundancy, indicating specific codes to control the calculations. The proposed method is assumed to be effective in several cases of organizing built-in control circuits and to allow synthesizing a self-checking device even when this cannot be achieved by using the duplication method.

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