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多阶段任务系统的备件保障度模型研究 被引量:6

Spare availability model for phased mission systems
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摘要 多阶段任务系统是指系统在连续完成多个阶段任务过程中,任务成功与部件的关系不断变化的系统.定义了任务结构函数来表示任务成功与部件关系,同时给出了多阶段任务系统的备件保障度模型,该模型可以计算任意任务结构函数变化的多阶段系统的备件保障度,为任务前确定备件携行量提供决策依据.在该模型的基础上,给出了一个计算k阶段变化的k/N系统备件保障度的实例. Phased-mission system is a kind of system whose system configuration, success criteria and component behavior may vary from phase to phase. This paper defines the relation between system configuration and success criteria as mission configuration function and presents a spare availability mathematical model for phased mission system. Using this model, we can make a decision on the quantity of spare part in hand when the system will implement different phased mission. This paper gives an example on a k-out-of-N system with different k in different phases.
出处 《系统工程学报》 CSCD 北大核心 2006年第1期86-91,111,共7页 Journal of Systems Engineering
基金 国家自然科学基金资助项目(70501031)
关键词 多阶段任务系统 备件 备件保障度 k/N系统 任务结构函数 phased mission system spare parts spare availability k-out-of-N system mission configuration function
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参考文献11

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