| 基于Java的分布式测控系统任务调度研究 |
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| 引用本文： | 闫钧华,张焕春,经亚枝.基于Java的分布式测控系统任务调度研究[J].系统工程与电子技术,2004,26(11):1661-1665. |
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| 作者姓名： | 闫钧华 张焕春 经亚枝 |
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| 作者单位： | 南京航空航天大学自动化学院,江苏,南京,210016 |
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| 摘 要： | 针对分布式测控系统动态任务调度算法,提出了一种任务迁移的方法。该方法基于Java的对象序列化机制、多线程机制、远程方法调用(remotemethodinvocation,RMI)技术,实现了将重载机上的任务迁移至轻载机上执行。任务迁移的成功使分布式测控系统动态任务调度算法顺利实现,从而有效地提高了系统效率,达到了负载均衡的目标。详细介绍了任务迁移的实现。
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| 关 键 词： | 分布式测控系统 动态任务调度 任务迁移 远程方法调用 |
| 文章编号： | 1001-506X(2004)11-1661-05 |
| 修稿时间： | 2003年12月1日 |
Research on task scheduling of distributed measurement and control system based on Java |
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| YAN Jun-hua,ZHANG Huan-chun,JING Ya-zhi.Research on task scheduling of distributed measurement and control system based on Java[J].System Engineering and Electronics,2004,26(11):1661-1665. |
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| Authors: | YAN Jun-hua ZHANG Huan-chun JING Ya-zhi |
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| Abstract: | A method of task migration is proposed for dynamic task scheduling algorithm of distributed measurement and control system. In this method, task has been not only migrated from heavy load computer to light load computer, but also operated on light load computer based on object serialization, multi-thread and remote method invocation of Java. Depended on success of task migration, dynamic task scheduling algorithm for distributed measurement and control system has been realized. The realization of algorithm promotes system efficiency effectively and attains load balancing. The implementation of task migration is also explained in detail. |
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| Keywords: | distributed measurement and control system dynamic task scheduling task migration remote method invocation |
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