## 留言板

 引用本文: 杜敏, 冯文全, 王冬, 等 . 基于二进制标签的改进HSSE-tree算法[J]. 北京航空航天大学学报, 2012, (11): 1547-1551.
Du Min, Feng Wenquan, Wang Dong, et al. Improved HSSE-tree method based on binary label[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1547-1551. (in Chinese)
 Citation: Du Min, Feng Wenquan, Wang Dong, et al. Improved HSSE-tree method based on binary label[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1547-1551. (in Chinese)

• 中图分类号: TP306

## Improved HSSE-tree method based on binary label

• 摘要: 随着对航天器自主生存能力要求的提高,基于模型的故障诊断成为国内外的研究热点.计算全体极小碰集是基于模型的故障诊断中的关键步骤,以HSSE-tree算法为基础,结合二进制位标记,提出一种HSSE-tree的高效改进算法——Binary-label HSSE.改进算法采用二进制位标记来代替实际节点元素,并采用了有效的剪枝策略及节点扩展方式,避免了HSSE-tree算法中存在的节点个数及超集个数随着问题规模增大而产生的爆炸式增长的问题;此外,改进算法采用二进制位运算,避免了判断碰集及判断是否超集时的元素遍历,使算法的运行时间进一步减少.仿真结果表明,与HSSE-tree算法相比,改进算法的消耗时间及占用内存均有了大规模减少.这为航天器系统的故障诊断及实时诊断提供了理论依据和应用基础.

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##### 出版历程
• 收稿日期:  2011-06-17
• 刊出日期:  2012-11-30

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