基于故障树分析方法的CT故障诊断研究  

Study of fault-diagnosis method of CT system based on fuzzy fault tree theory

作　　者：徐志荣[1] 徐汀[2] 朱弋[1] 杨舒波[1] 贺建林[1] 

机构地区：[1]成都军区昆明总医院医学工程科,云南昆明650032 [2]云南大学物理科学与技术学院,云南昆明650033

出　　处：《中国医学装备》2013年第1期13-15,共3页China Medical Equipment

摘　　要：目的:运用基于模糊故障树理论的故障诊断方法,研究解决CT系统的故障监测与诊断问题。方法:利用模糊故障树理论对CT系统的知识发现和知识提取能力,从CT系统运行状态样本中建立故障树模型进行量化分析。结果:以CT为研究对象,通过分析该系统的故障形式,阐明模糊故障树分析CT故障的原理、方法和特点。结论:CT故障诊断包括对设备运行状况的监测、识别和预测3个方面,主要内容有设备状况信号的采集、故障征兆的提取、故障分类与状态识别以及趋势预测。Objective：To solve relative CT system problem based on fuzzy fault tree analysis theory.Methods：We used fuzzy fault tree analysis theory model to enhance the capabilities of discovery the new phenomemon and abstract the new conception from the data during the working time of CT.Results：By focusing on the research of CT,we analyzed the form of CT faults and explained the principle,method and characteristic of CT faults.Conclusion：CT fault diagnosis of equipment including the operation condition of monitoring,identifying and predicting three aspects,the mainly content including CT signal collection,the extraction of fault symptoms fault classification,state recognition and trend forecast.

关 键 词：故障树分析 CT系统 模糊故障树 故障诊断 

分 类 号：R197.39[医药卫生—卫生事业管理]