Research on Fault Feature Extraction of Hydropower Units Based on Adaptive Stochastic Resonance and Fourier Decomposition Method

<div>Waveform and frequency spectrum of the simulation signal processed by different methods. (a) Unprocessed simulated signal. (b) Simulated signal processed by GA-SR. (c) Simulated signal processed by FDM. (d) Simulated signal processed by EMD. (e) Simulated signal processed by ITD. (f) Fault signal and simulated signal processed by GA-SR-FDM.</div>

Shock and Vibration

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Figure 2: Research on Fault Feature Extraction of Hydropower Units Based on Adaptive Stochastic Resonance and Fourier Decomposition Method 