Fault tolerant computational system and voter circuit

Details Fault tolerant computational system and voter circuit Fault tolerant computational system and voter circuit

1980-11-12

1983-03-01

Atkinson, Charles E.

Excavating

307464, G06F 1100, H03K 1908

Patent

active

043756832

ABSTRACT:
A fault-tolerant computational system having a voter circuit which receives inputs from several computational devices and produces an output in agreement with a majority of the inputs. Also included is a clock circuit for synchronizing the output of data from the computational devices so that the input to the voter circuit is synchronized. The system may be adapted for fault detection by comparing the output of the voter circuit to the outputs of each of the computational channels.

REFERENCES:
patent: 3848116 (1974-11-01), Moder et al.
patent: 3921149 (1975-11-01), Kreiset al.
patent: 4091293 (1978-05-01), Ando
patent: 4270715 (1981-06-01), Norton et al.
Smith, Recovery from Transient Faults in Redundant Systems, IBM Technical Disclosure Bulletin, vol. 23, No. 4, Sep. 1980, pp. 1707-1709.
Wakerly, Microcomputer Reliability Improvement Using Triple-Modular Redundancy, Proc. of the IEEE, vol. 64, No. 6, Jun. 1976, pp. 889-895.

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