1) repeated failure
重迭故障
2) fault reconstruction
故障重构
1.
Fault diagnosis research based on fault reconstruction in principal component subspace;
基于主元子空间故障重构技术的故障诊断研究
2.
Based on the theory of fault reconstruction, the determination of the principal components in PCA (principal component analysis) model is studied, thus analyzing the performance of PCA model.
基于故障重构理论研究了PCA模型主元数的确定方法,应用累积方差贡献率以及复相关系数对主元模型性能进行分析·在基于PCA理论进行故障诊断中,故障变量可根据故障的方向向量进行重构,未重构方差(VRE)可分别投影于主元子空间(PCS)和残差子空间(RS)·确定最优重构是使两空间的VRE之和达到最小,与此相对应的主元数即为最优主元数(PCs)·应用累积方差贡献率以及复相关系数对主元模型性能进行评价,结果表明确定的PCA模型PCs保证了PCS中的信息存量·对于工业PVC聚合反应过程的故障诊断说明了上述方法的合理性与有效性
3.
Based on the concept on fault subspace, the fault reconstruction issue was explored by using T~2 index, while the geometric method recently developed by Dunia et al focuses on the SPE index.
利用故障子空间的概念 ,研究了基于T2 统计量的故障重构问题 ,获得了主元空间中的完全重构、部分重构 ,以及可重构性的条件 。
3) fault right weight
故障权重
4) multiple failures
多重故障
1.
Modeling & reasoning technique of multiple failures based on polychromatic sets;
基于多色集合的多重故障建模与推理技术研究
2.
To solve the consistency problem of knowledge representation of the Bayesian diagnostic network,the mapping framework between the failure modes and the physical components are established,and a kind of hierarchical structural model of the multiple failures is proposed combined with the structural decomposition of the complex system.
针对贝叶斯诊断网络知识表达不一致的问题,提出了一种基于结构分解的层级式多重故障结构模型,并引入多色集合理论,对这种结构模型的底层框架进行形式化描述,使得模型便于计算机表达和操作。
3.
As a low-probabilistic and high-risk failure, the multiple failures is necessary to take into account under a certain condition, and the occurrence probability and severity of multiple failures are varies with the change of operating mode caused by equipment maintenance.
多重故障作为低概率、高风险故障在一定情况下是有必要考虑的,其发生概率及严重程度随设备检修操作而引起的运行方式的改变而变化。
5) multiple fault
多重故障
1.
On the basis of a three tank system, a semi-qualitative approach to diagnosis of multiple faults of a class of hybrid systems is proposed.
为解决混杂系统中多重故障诊断等分支研究相对薄弱的问题,以一个三容水箱系统为背景,提出了一类混杂系统多重故障的半定性故障诊断方法。
6) double fault
双重故障
1.
The double fault in squirrel cage induction motors, which means that rotor bar breaking fault and stator winding inter-turn short circuit fault occur simultaneously, has been investigated by the motor multi-loop model.
基于多回路理论,针对笼型异步电动机转子断条与定子绕组匝间短路双重故障进行研究。
补充资料：层层迭迭
1.见"层层迭迭"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条