分形学在柴油机燃油系统故障诊断中的应用

The application of fractal geometry to fault diagnosis of diesel engine fuel system

针对柴油机燃油系统故障信号的特点 ,分别从信号的分形性验证、有效分析区间确定、分形性描述与刻画等方面作了探讨 ,探索了基于分形学的柴油机燃油系统故障诊断模式 .实践证明 。

According to the characteristics of fault signals of diesel engine fuel injection system, an integrated and useful feature extraction method of signals is presented, which includes the determination of the efficient analysis region and the descriptions of the fractal nature. This method can efficiently describe the signals of the high pressure pipe of diesel engine fuel injection system.