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随机弱实时系统作业时限延误率上界估计

彭良智 戴金海 单懿 桂先洲

电子学报2001,Vol.29Issue(2):186-189,4.
电子学报2001,Vol.29Issue(2):186-189,4.

随机弱实时系统作业时限延误率上界估计

Upper Bound Estimation of Job Deadline Missing Rate for Stochastic Soft Real-Time Systems

彭良智 1戴金海 1单懿 1桂先洲1

作者信息

  • 1. 国防科技大学航天与材料工程学院,长沙 410073
  • 折叠

摘要

Abstract

This paper proposes statistical processor demandanalysis(SPDA)scheme for stochastic soft real-time system.The scheme can be used to estimate the lower bound on the probability that a job meets its deadline under fixed-priority preemptive schedule.Numerical solution to SPDA is also presented.The simulation results of an example system have shown that SPDA has a high computing speed and an error below 6%.It can provide important reference for the design of soft real-time applications.

关键词

随机弱实时系统/SPDA分析/下界估计

分类

信息技术与安全科学

引用本文复制引用

彭良智,戴金海,单懿,桂先洲..随机弱实时系统作业时限延误率上界估计[J].电子学报,2001,29(2):186-189,4.

电子学报

OA北大核心CSCD

0372-2112

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