Sensing and Quantifying a New Mechanism for Vehicle Brake Creep Groan

Figure 2

Test results: (a) time history of oil pressure; (b) X-acceleration of caliper; (c) Y-acceleration of caliper; (d) Z-acceleration of caliper; (e) spectrogram of caliper X-acceleration.

(a)

(b)

(c)

(d)

(e)