| 基于BHS-树的定性故障诊断方法 |
| |
| 引用本文： | 高伟,邢琰,王南华.基于BHS-树的定性故障诊断方法[J].空间控制技术与应用,2011,37(2):21-25. |
| |
| 作者姓名： | 高伟 邢琰 王南华 |
| |
| 作者单位： | 1. 北京控制工程研究所,北京,100190
2. 北京控制工程研究所,北京,100190;空间智能控制技术重点实验室,北京,100190 |
| |
| 摘 要： | 基于定性模型的诊断方法,由于无需系统定量模型,尤其适用于航天器等复杂系统的故障诊断.该方法推理过程包括冲突集的确定及诊断集的生成.基于BHS-树的方法,是一种由冲突集生成诊断集的有效途径,但存在诊断结果冗余及反向递归过程复杂的问题.采取异常/正常特征量相结合的措施,有效地解决了诊断结果冗余的问题,能够准确确定诊断集;同时在系统单故障的假设前提下,对反向递归过程进行适当简化,降低了推理的复杂程度,并通过实例对上述改进进行了验证.
|
| 关 键 词： | 故障诊断 定性模型 BHS-树 结果冗余 反向递归 |
A BHS-Tree Based Qualitative Fault Diagnosis Approach |
| |
| GAO Wei,XING Yan,WANG Nanhua.A BHS-Tree Based Qualitative Fault Diagnosis Approach[J].Aerospace Contrd and Application,2011,37(2):21-25. |
| |
| Authors: | GAO Wei XING Yan WANG Nanhua |
| |
| Institution: | GAO Wei1,XING Yan1,2,WANG Nanhua1,2(1.Beijing Institute of Control Engineering,Beijing 100190,China,2.Science and Technology on Space Intelligent Control Laboratory,China) |
| |
| Abstract: | Because the qualitative model-based diagnosis approach has no need of quantitative system model,it is of particular for the fault diagnosis in many complicated fields such as spacecraft.Its diagnosis process can be divided into two parts: determination of the set of conflicts and generation of the set of diagnoses.A fault diagnosis approach based on BHS-tree can deal with the latter.However,this approach has two drawbacks: result redundancy and reversed recursion complexity.An improved approach is proposed ... |
| |
| Keywords: | fault diagnosis qualitative model BHS-tree result redundancy reversed recursion |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
