MIL-STD-1553B总线的SIot级混合调度策略研究

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中图分类号：V19 文献标识码：A

文章编号：1006-8228(2025)09-07-05

Research on a Slot-Level Hybrid Scheduling Strategy for the MIL-STD-1553B Bus

LiWeihao,Zhang Qizhi

(School of Electronic Engineering,Xi'an Shiyou University，Xi'an,Shaanxi 7loo65,China)

Abstract:ToenhancetheschedulingcapabilityoftheMIL-STD-1553Bbusunderhigh-loadconditionsforbothperiodicand aperiodictasks,thispaperproposesahybridschedulingstrategybasedoslot-level.Thismethodintegratesfixed-priorityschduling (RateMonotonicScheduling，RMS)withEarliestDeadlineFirst (EDF)，achievingcooperativeschedulingofstaticanddynamic tasksunderaunifiedtimepartitioningframework．TheexperimentalsystemisbuiltupontheH-613ObuscontrolerandXilinx Zynqplatform.TheschedulerisdevelopedinClanguageandsupportsstaticschedulingofperiodictasks，dynamicinsertionof aperiodic tasks,and slot-levelpreemptioncontrol.Experimental resultsshowthat，evenwithabusutilizationof 91.38% ，alltasks mettheirdeadlines，demonstratingtheeficiencyandfeasibilityoftheproposedstrategyThisapproachprovidesageneral-pupose scheduling solution for complex avionics systems.

Keywords:MIL-STD-1553B;RMS;EDF；Slot-Level Granularity；Hybrid Scheduling

0引言

随着航空航天任务的持续复杂化，系统对于通信总线在实时响应和资源调度方面的要求不断提升。（剩余8557字）