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

Table 4

Objective evaluation indexes of vibration.

Driver	Condition	q1 (m/s^2)	q2 (m/s^2)	q3 (m^2/s^3)	q4 (m/s^1.75)
1	I	29.275	0.765	5.214	3.950
	II	11.209	0.459	1.622	1.262
	III	32.155	0.554	1.120	4.416
	IV	107.345	2.170	27.018	13.172
	V	56.567	0.934	5.567	7.427
	VI	100.881	3.155	40.830	14.000
2	I	27.505	0.680	3.310	3.166
	II	6.929	0.410	3.321	0.760
	III	30.348	0.649	2.778	3.981
	IV	104.706	2.922	69.106	12.180
	VI	118.387	4.322	224.647	16.191
3	I	31.611	0.743	6.818	3.834
	II	11.832	0.487	3.468	1.350
	III	14.521	0.387	3.271	1.774
	IV	99.340	2.198	71.911	12.401
	V	43.789	1.358	66.034	6.480
	VI	89.733	2.313	53.915	12.030
4	I	61.370	0.940	7.146	8.416
	II	32.554	0.579	3.208	4.305
	III	39.071	1.134	5.445	5.016
	IV	118.417	3.139	127.729	15.803
	V	53.886	1.853	10.064	7.833
	VI	104.115	7.982	23.747	13.803
5	I	94.491	1.479	34.013	11.767
	II	39.568	0.779	5.280	4.940
	III	84.173	1.245	5.181	9.349
	IV	185.728	3.483	191.035	24.789
	V	74.706	2.206	23.970	9.780
	VI	114.871	6.058	57.361	14.703