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이중화 IMA 시스템의 입력 데이터 동기화 방안 원문보기

  • 저자

    박홍열

  • 학위수여기관

    경상대학교 대학원

  • 학위구분

    국내석사

  • 학과

    정보과학과

  • 지도교수

  • 발행년도

    2014

  • 총페이지

    ⅴ, 31 p.

  • 키워드

    Synchronization PALS 동기화 IMA;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T13534339&outLink=K  

  • 초록

    It is required to implement fault tolerant system through module level redundancy on the IMA (Integrated Modular Avionics). However, even though software synchronization is essentially required, high implementation complexity is one of important challenges where asynchronous hardware environment is assumed. To solve this problem, PALS (Physically Asynchronous Logically Synchronous) on IMA has been proposed but it has adaptation problem because it did not mention specific architecture for IMA system. In the paper, we proposes how to synchronize the input data on the IMA system with primary/secondary redundancy by referring to existing PALS. And, We make use of window frame by considering rate monotonic scheduling and introduce the adequate synchronization time in the proposed scheme. Finally, throughout experiments on a system, feasibility of the proposed design pattern is verified.


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