Mathematical Model of the Reliability of a Computer System Operating in the Residual Class System, Based on Dynamic Redundancy

The article discusses a variant of the mathematical model of the reliability of a computer system (CS) operating in the residual class system (RNS), based on the use of dynamic redundancy. The calculation and comparative analysis of the reliability of the tripled computational structure in the positional number system with an ideal majority element and CS in the RNS with an ideal commutator is carried out. The analysis results showed the following. At the initial stage of the operation of computing systems, the reliability of the CS in the RNS with one control base is higher than the triple positional computing system. At the initial stage of the operation of computing systems, the reliability of the CS in the RNS with one control base is higher than the triple positional computing system. This presupposes the effective use of the COP in the RNS in systems and devices for short-term use. For example, in on-board computers of ballistic missiles and aircraft.