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介绍了匹配追踪信号分解法在发动机故障诊断中的应用。针对康明斯6BT5.9型发动机进气门振动信号,采用时域表达较为理想的高斯函数作为信号展开的基元函数进行信号分析,并进行了试验验证。
The application of matching pursuit signal decomposition method in engine fault diagnosis is introduced. Aiming at the vibration signal of inlet valve of Cummins 6BT5.9 engine, the Gaussian function expressed in the time domain is used as the signal function of the signal to carry out signal analysis and the experimental verification is carried out.