Intelligent Malfunction Identification Method in Mechanical Manufacturing Process Based on Multisensor Data

Table 1

Relevant training results of BP.

The number of concealed layer nodes	Training error	Training step
6	4.37e − 4	532
7	1.64e − 4	346
8	1.22e − 4	235
9	1.02e − 4	219
10	9.87e − 5	200
11	9.62e − 5	168
12	1.01e − 4	212
13	1.35e − 4	378
14	1.38e − 4	352
15	1.25e − 4	333
16	1.23e − 4	311