Abstract: A redundant computer system utilizing comparison diagnostics and voting techniques includes a plurality of redundant channels. Each pair of the processors receives/obtains process information from I/O modules via dual redundant sensors (DRS). The processors execute an application program, whereby output module is utilized for comparing output data of the two processors. Output module receives output data from neighboring modules, if there is a deviation or other disparity in the output data. Each pair of processors, a voter and an improper sequence detector component disables the output module, if a majority of signals vote that output module fails. In addition, the system uses 2-of-3 voting, the system remains operational in the presence of up two transient or hard failures.

Abstract: A redundant computer system utilizing comparison diagnostics and voting techniques includes a plurality of redundant channels. Each pair of the processors receives/obtains process information from I/O modules via dual redundant sensors (DRS). The processors execute an application program, whereby output module is utilized for comparing output data of the two processors. Output module receives output data from neighboring modules, if there is a deviation or other disparity in the output data. Each pair of processors, a voter and an improper sequence detector component disables the output module, if a majority of signals vote that output module fails. In addition, the system uses 2-of-3 voting, the system remains operational in the presence of up two transient or hard failures.