摘要
提出了在系统部件和结构模型规范化描述的基础上,对含有分流和汇流结构的负反馈系统故障树自动建造的处理方法。采用此方法,可利用规范化和标准化的元部件模型库,通过拖拽的方式形成系统功能图(即得到系统结构模型),在此基础上,可按任意指定的顶事件状态,实时的自动生成故障树。该方法在混合动力电动汽车系统中的应用,为发现系统可靠性设计的缺陷、进行故障的实时监测诊断和进行控制率的实时切换提供了依据;提供了混合动力电动汽车系统多态故障树自动建造的实例结果,冗余支路少、符合逻辑、结果正确,证明了该方法的正确性;具有通用性,也可用于其他大型复杂系统故障树的自动建造。
A way of automatic fault tree construction with regard to the negative feedback system including divider and header was put forward based on a standardized description of system components and structure model. In this way, a real time fault tree with designated top event can be constructed automatically by making use of the existing formalized and standardized component library and the system functional block diagram （ system structure application of this method model ） formed through in hybrid electric vehicle dragging and dropping necessary components. The system helps to discover faults in system reliability design, to carry out real-time diagnosis and real-time switch of control method. It also provided an example of the automatic multi-state fault tree construction in hybrid electric vehicle system without redundant sub- branch. The final result is logical and correct, indicating the correctness of this method. Its utility enables this method to be used in other complicated system.
出处
《公路交通科技》
CAS
CSCD
北大核心
2012年第9期152-158,共7页
Journal of Highway and Transportation Research and Development
基金
国家自然科学基金项目(61074036)
关键词
汽车工程
混合动力电动汽车系统
故障树自动建造
规范化描述
分流器
汇流器
automobile engineering
hybrid electric vehicle system
automatic fault tree construction
standardized description
divider
header
