Robust task schedule model of time sensitive strike information system
Di Shen, LI Jian-hua, Qiang Zhang · 2012
Faults and performance decline often occur and have a serious effect on task's timeliness when military information system works in the stormy battlefield environment, in order to solve this problem, this paper proposes a robust task schedule model based on the Primary/Backup(P/B) faults tolerance mechanism. At first, due to the 6 parts in Time Sensitive Strike (TSS) Time Sequence, TSS task is divided into small sub-tasks sequence, which is more closely to tasks in information system. Then, rules of TSS sub-task Time Window(TW) setting is designed. By using fuzzy control theory, triggering probability formula of sub-task delay and task scheduling is refined. At last, effectiveness of the schedule model is verified by simulation experiments.