Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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An Optimal Scrubbing Scheme for Auto Error Detection & Correction Logic

자가 복구 오류 검출 및 정정 회로 적용을 고려한 최적 스크러빙 방안

  • 류상문 (군산대학교 제어로봇공학과)
  • Received : 2011.08.20
  • Accepted : 2011.09.25
  • Published : 2011.11.01
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Abstract

Radiation particles can introduce temporary errors in memory systems. To protect against these errors, so-called soft errors, error detection and correcting codes are used. In addition, scrubbing is applied which is a fundamental technique to avoid the accumulation of soft errors. This paper introduces an optimal scrubbing scheme, which is suitable for a system with auto error detection and correction logic. An auto error detection and correction logic can correct soft errors without CPU's writing operation. The proposed scrubbing scheme leads to maximum reliability by considering both allowable scrubbing load and the periodic accesses to memory by the tasks running in the system.

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References

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