Research on Parameter Optimization of the Express Warehousing and Distribution System Based on the Box–Behnken Response Surface Methodology

Table 2

Experimental scheme and results.

Experiment number	A	B	C	D	Operation time (D)	Blockage rate (%)
1	0.001	20	400	300	32.12	12.4
2	0.0055	30	200	400	30.59	29.6
3	0.01	30	200	300	40.51	67.7
4	0.01	30	600	300	40.51	53.8
5	0.001	30	600	300	30.18	0
6	0.01	30	400	200	40.51	60.8
7	0.01	40	400	300	40.31	61.1
8	0.001	30	200	300	30.18	9.1
9	0.0055	40	200	300	30.43	29.7
10	0.001	40	400	300	30.02	0
11	0.0055	20	400	400	31.9	17.1
12	0.0055	30	400	300	30.59	17.9
13	0.0055	40	400	400	30.43	18
14	0.0055	30	600	400	30.59	1.1
15	0.0055	30	400	300	30.59	17.9
16	0.0055	30	600	200	30.59	1.1
17	0.0055	40	600	300	30.43	1.2
18	0.0055	30	400	300	30.59	17.9
19	0.0055	20	400	200	31.9	31
20	0.0055	30	200	200	30.59	29.6
21	0.0055	20	600	300	31.9	1.1
22	0.0055	40	400	200	30.43	18
23	0.0055	30	400	300	30.59	17.9
24	0.0055	20	200	300	31.9	45.2
25	0.001	30	400	200	30.18	1
26	0.0055	30	400	300	30.59	17.9
27	0.001	30	400	400	30.18	0
28	0.01	20	400	300	40.43	60.9
29	0.01	30	400	400	40.51	60.8