Design of Dependent-Failure-Tolerant Microcumputer System Using Triple-Modular Redundancy

Michitaka Kameyama, Tatsuo Higuchi

研究成果: Article査読

18 被引用数 (Scopus)

抄録

Microcomputer system reliability using triple-modularredundancy (TMR) is discussed when failures exist not only in any single module but also in any two or three modules at a time. The optimal time interval is calculated by which the system will even be resynchronized periodically so that additional transient failures can be tolerated. It is shown that in spite of the optimal resynchronization, thereliability of the system cannot be improved by the ordinary TMR under some dependent-failures. For the purpose of eliminating the effect of dependent-failures, a new fault-tolerant microcomputer system is proposed where a program is executed three times by three CPU's.

本文言語English
ページ(範囲)202-206
ページ数5
ジャーナルIEEE Transactions on Computers
C-29
2
DOI
出版ステータスPublished - 1980 2月
外部発表はい

ASJC Scopus subject areas

  • ソフトウェア
  • 理論的コンピュータサイエンス
  • ハードウェアとアーキテクチャ
  • 計算理論と計算数学

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