This thesis explores different typical implementation of virtual task model and presents the results of schedulability analysis 本文討論幾種典型任務(wù)集合的實(shí)現(xiàn),并分別分析了它們的調(diào)度性驗(yàn)證算法和結(jié)論。
This paper analyzes the temporal character of profibus using the worst case scheduling and obtains the sufficient and necessary condition satisfied to schedulability 論文借用實(shí)時(shí)調(diào)度理論的基本方法對(duì)其實(shí)時(shí)特性進(jìn)行理論分析,得出滿足信息實(shí)時(shí)傳送的充要條件。
A high degree of schedulability . schedulability refers to the degree of resource utilization at which, or below which, the deadline of each time-critical task can be taken into account 高度可調(diào)度性。調(diào)度性是指能根據(jù)實(shí)時(shí)系統(tǒng)的實(shí)時(shí)要求特征來有效地利用資源,從而使系統(tǒng)在最后期限前完成指定的操作。
A high degree of schedulability . schedulability refers to the degree of resource utilization at which, or below which, the deadline of each time-critical task can be taken into account 高度可調(diào)度性。調(diào)度性是指能根據(jù)實(shí)時(shí)系統(tǒng)的實(shí)時(shí)要求特征來有效地利用資源,從而使系統(tǒng)在最后期限前完成指定的操作。
Among many approaches of schedulability analysis, worst-case response time based approach has many benefits over other approaches . so much of the theory research has been focused on this approach and it is used in many real world applications 其中基于最大響應(yīng)時(shí)間的分析方式由于具有精確、直觀等優(yōu)點(diǎn),因此現(xiàn)在大部分可調(diào)度性分析算法的理論研究與實(shí)際應(yīng)用都基于這種方式。
At the end of the paper, we analyze the real time schedulability of the recorder-unit subsystem by the rma ( rate-monotonic analysis ) . we proved that the system is schedulable and the time requirement can be met by the rma analysis and the practical testing 最后采用實(shí)時(shí)系統(tǒng)常用的rma(rate-monotonicanalysis)方法對(duì)開發(fā)出來的記錄單元子系統(tǒng)進(jìn)行了實(shí)時(shí)可調(diào)度性分析,通過理論分析和實(shí)際系統(tǒng)測(cè)試證實(shí)了該系統(tǒng)設(shè)計(jì)是成功的,整個(gè)系統(tǒng)是實(shí)時(shí)可調(diào)度性的。
Firstly, the paper studies the theory of task scheduling scheme in rtdcs according to the architecture model and property of rtdcs, proposes principles and method for partitioning tasks, gives the proof of task schedulability and an evaluation system for schedule algorithm 首先,根據(jù)實(shí)時(shí)分布系統(tǒng)的體系結(jié)構(gòu)模型及特點(diǎn),從理論上對(duì)實(shí)時(shí)分布系統(tǒng)的任務(wù)調(diào)度策略進(jìn)行了研究,提出了任務(wù)劃分的準(zhǔn)則及方法,給出了任務(wù)可調(diào)度性證明以及調(diào)度算法的評(píng)價(jià)體系。
With the wide adoption of distributed real-time system in many areas, such as electronics, aerospace, military, automobile electronics, industry production, much attention has been focused on system schedulability analysis algorithm, which is an important verification method for system schedulability . many researchers have done a lot of research in schedulability analysis algorithm and have achieved many results 隨著分布式實(shí)時(shí)系統(tǒng)逐漸得到廣泛的應(yīng)用,分布式實(shí)時(shí)系統(tǒng)的可調(diào)度性分析算法作為一種重要的實(shí)時(shí)系統(tǒng)時(shí)間正確性驗(yàn)證手段,也逐漸得到了人們的重視,很多學(xué)者對(duì)此進(jìn)行了廣泛的研究。
With the wide adoption of distributed real-time system in many areas, such as electronics, aerospace, military, automobile electronics, industry production, much attention has been focused on system schedulability analysis algorithm, which is an important verification method for system schedulability . many researchers have done a lot of research in schedulability analysis algorithm and have achieved many results 隨著分布式實(shí)時(shí)系統(tǒng)逐漸得到廣泛的應(yīng)用,分布式實(shí)時(shí)系統(tǒng)的可調(diào)度性分析算法作為一種重要的實(shí)時(shí)系統(tǒng)時(shí)間正確性驗(yàn)證手段,也逐漸得到了人們的重視,很多學(xué)者對(duì)此進(jìn)行了廣泛的研究。