Universal double 2-vote-2 computer architecture and implementation method thereof

The invention belongs to the technical field of safety critical computers, and provides a universal double 2-vote-2 computer architecture which comprises a maintenance board MTN30, a computer I systemand a computer II system, wherein the computer I system and the computer II system are identical in structure; the computer I system and the computer II system are in data connection with the maintenance board MTN30 through an ARINC 659 bus; the ARINC 659 bus is used for data interaction and data two-out-of-two comparison of the computer I system and the computer II system; the maintenance boardMTN30 provides upgrading software programs for different CPU modules in the computer architecture and records faults; the computer I system comprises a self-monitoring processor board VCU and a self-monitoring input/output board DIO; the self-monitoring processor board VCU is combined with control software to perform computer system integration and logic control; and the self-monitoring input/output board DIO is used for c