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A Fuzzy Algorithm For Scheduling Soft Periodic Tasks In Preemptive Real-Time Systems

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    (Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Iran)



    (Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Iran)



    (Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Iran)

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    Most researches concerning real-time system scheduling assume scheduling constraint to be precise. However, in the real world, scheduling is a decision making process which involves vague constraints and uncertain data. Fuzzy constraints are particularly well suited for dealing with imprecise data. This paper proposes a fuzzy scheduling approach to real-time system scheduling in which the scheduling parameters are treated as fuzzy variables. A simulation is also performed and the results are compared with both EDF and LLF scheduling algorithms. The latter two algorithms are the most commonly used algorithms for scheduling real-time processes. It is concluded that the proposed fuzzy approach is very promising and it has the potential to be considered for future research.

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    Article provided by World Scientific Publishing Co. Pte. Ltd. in its journal New Mathematics and Natural Computation.

    Volume (Year): 03 (2007)
    Issue (Month): 03 ()
    Pages: 371-384

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    Handle: RePEc:wsi:nmncxx:v:03:y:2007:i:03:p:371-384
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