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

Table 9

Objective evaluation indexes and predicted subjective scores.

Condition	Q4 (dB)	Loudness (sone)	Predicted score	Actual score	Error (%)
I	6.522	16.610	6.72	6	11.9
II	1.884	11.565	7.40	7	5.7
III	6.699	10.333	7.10	6.5	9.3
IV	21.817	20.500	5.29	5	5.8
V	12.927	11.217	6.57	6	9.5
VI	20.209	17.030	5.63	5.5	2.5