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Application of Lyapunov Exponents to Fault Diagnosis of Diesel Engines
Author(s): 
Pages: 476-478
Year: Issue:  4
Journal: JOURNAL OF VIBRATION ENGINEERING

Keyword:  故障诊断汽车发动机李雅普指数;
Abstract: 研究了斯太尔汽车发动机系统非线性特性,针对其不同的状态,利用测量的振动时间序列求解了系统的最大李雅普指数.结果表明:该发动机振动的时间序列在不同状态下李雅普指数不同,因此可以李雅普指数作为识别其状态的特征量,为发动机的故障诊断和监控提供了可靠的方法.
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