| 基于BDD的航天测控系统任务可靠性分析 |
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| 引用本文： | 王刚,武小悦,卢立常.基于BDD的航天测控系统任务可靠性分析[J].飞行器测控学报,2011(2):20-24. |
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| 作者姓名： | 王刚 武小悦 卢立常 |
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| 作者单位： | 国防科技大学信息系统与管理学院;北京跟踪与通信技术研究所; |
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| 基金项目： | 国家自然科学基金(71071159)资助项目 |
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| 摘 要： | 针对航天测控系统任务可靠性分析问题,提出了基于二值决策图（BDD）的航天测控系统任务可靠性分析模型和算法。将航天测控系统视为一个多阶段任务系统,采用任务剖面描述任务时序逻辑关系。根据各阶段的可靠性逻辑结构建立了单阶段的BDD,依次对各阶段的BDD进行运算得到系统的BDD,据此计算系统的可靠度。最后给出了一个算例,验证了算法的有效性。
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| 关 键 词： | 航天测控系统 任务可靠性 建模 二值决策图（BDD） |
BDD-Based Analysis of the Mission Reliability of TT&C Systems |
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| WANG Gang,WU Xiaoyue,LU Lichang.BDD-Based Analysis of the Mission Reliability of TT&C Systems[J].Journal of Spacecraft TT&C Technology,2011(2):20-24. |
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| Authors: | WANG Gang WU Xiaoyue LU Lichang |
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| Institution: | WANG Gang,WU Xiaoyue,LU Lichang(1.College of Information Systems and Management,National University of Defense Technology,Changsha,Hunan Province 410073,2.Beijing Institute of Tracking and Telecommunications Technology,Beijing 100094) |
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| Abstract: | To analyze the mission reliability of TT&C systems,a binary decision diagram based mission reliability model for TT&C systems and its solution algorithm are presented.TT&C is treated as a phased mission system and mission sequential logic relations are described by mission profile table.BDD of each phase is built based on the reliability logic of that phase.The binary decision diagram of the system is obtained by manipulating the binary decision diagram of each mission phase respectively.Then,the reliabilit... |
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| Keywords: | TT&C Mission Reliability Modeling Binary Decision Diagram(BDD) |
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