摘要
为减少突发性故障的发生及其对航空发动机的危害,提出了一种用于突发性故障预示的方法,提取系统能量特征,对其运行状态趋势进行预示。建立了突发性故障预示模型,应用能量耗散结构理论对该模型的演化过程与规律进行了描述。利用空停仿真数据对该模型进行了验证,结果表明,该模型具有较好的故障预示能力。
A method for predicting the catastrophic fault is presented,which is applied to extract the energy features and predict the condition trend to reduce the harm by the catastrophic fault.A prediction model of catastrophic fault is designed,the revolution procedure and rules of the prediction model are also described by using dissipative structure theory.The data of the in-flight shut-down failure is used to testify the model.The result suggests that the model has a good ability of fault prediction.
出处
《测控技术》
CSCD
北大核心
2012年第8期140-143,共4页
Measurement & Control Technology
基金
国家自然科学基金资助项目(51075330
50975231)
关键词
突发性故障
航空发动机
预示模型
耗散结构理论
catastrophic fault
aero-engine
prediction model
dissipative structure theory
