Feature Extraction Method for Weak Faults Based on Time-Delayed Feedback Mixed Potential Stochastic Resonance

Figure 2

Curve of potential function with different parameters: (a) when m = 1 and  = 1.2, the relationship between U, x, and K; (b) detailed relationship diagram between U and K; (c) when m = 1 and K = 0.7, the relationship between U, x, and ; (d) detailed relationship diagram between U and ; (e) when K = 0.7 and  = 1.2, the relationship between U, x, and m; (f) detailed relationship diagram between U and m.

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