• CN:11-2187/TH
  • ISSN:0577-6686

›› 1996, Vol. 32 ›› Issue (2): 75-81.

• 论文 • 上一篇    下一篇

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一种基于设备状态子空间的故障诊断方法

尚国清;佟德纯;宓为建;沈一飞   

  1. 上海交通大学;上海海运学院
  • 发布日期:1996-03-01

RESEARCH ON THE METHOD OF FAULT DIAGNOSIS BASED ON THE SUBSPACE OF THE FAULT STATES

Shang Guoqing;Tong Dechun;Mi Weijian;Shen Yifei   

  1. Shanghai Jiaotong University Shanghai Maritime University
  • Published:1996-03-01

摘要: 提出了一种便于识别的故障特征信息提取方法,即建立各故障状态的模式子空间,在此基础上实现对故障尤其是多类故障的分类识别。通过对内燃机气门故障的实例诊断考核,表明该方法的有效性。

关键词: 故障诊断, 设备, 状态子空间

Abstract: A method which is practical for extraction and recognition of fault characteristic is introduced. The realization of the diagnosis of multiple kind of fault is based on the subspaces of the fault states. The value of the method has been showed in the fault diagnosis of engine.

Key words: Equipment, Fault diagnosis, Subspace