The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Development of Error-Corrector Control Algorithm for Automatic Error Detection and Correction on Space Memory Modules

우주용 메모리의 자동 오류극복을 위한 오류 정정기 제어 알고리즘 개발

  • Received : 2011.02.07
  • Accepted : 2011.04.13
  • Published : 2011.05.01
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Abstract

This paper presents an algorithm that conducts automatic memory scrubbing operated by dedicated hardwares. The proposed algorithm is designed so that it can scrub entire memory in a given scrub period, while minimally affecting the execution of flight softwares. The scrub controller is constructed in a form of state machines, which have two execution modes - normal mode and burst mode. The deadline event generator and period tick generator are designed in a separate way to support the behavior of the scrub controller. The proposed controller is implemented in VHDL code to validate its applicability. A simple version of the controller is also applied to mass memory modules used in STSAT-3.

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References

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