A Method for Quantifying Automobile Brake Creep Groan Intensity Based on Friction-Induced Vibration and Noise

Figure 12

Linear regression line of evaluation index: (a) Q₁; (b) Q₂; (c) Q₃; (d) Q₄; (e) SPL(A); (f) Loudness; (g) Roughness; and (h) Fluctuation.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)