Grinding Chatter Detection and Identification Based on BEMD and LSSVM

Chinese Journal of Mechanical Engineering

Table 7 Prediction results of the LSSVM model

Test No.	Input			Target	Output	Result	Rotational speed (r/min)	Feeding speed (m/s)	Grinding depth (μm)
Test No.	pp	Rsd	IE	Target	Output	Result	Rotational speed (r/min)	Feeding speed (m/s)	Grinding depth (μm)
1	01710	0.4626	1.9618	1	1	Correct	992	0.381	5
2	0.0382	0.0111	0.0353	− 1	− 1	Correct	763	0.381	5
3	0.0830	0.2870	0.2765	− 1	1	Wrong	1034	0.381	5
4	0.0336	0.0113	0.0361	− 1	− 1	Correct	808	0.381	10
5	0.0288	0.0115	0.0383	− 1	− 1	Correct	943	0.381	5
6	0.4903	0.0631	0.3030	1	1	Correct	808	0.381	15
7	0.0920	0.0163	0.0636	− 1	− 1	Correct	853	0.381	15
8	0.0522	0.0176	0.0925	− 1	− 1	Correct	992	0.381	15
9	0.1109	0.1937	0.5600	1	1	Correct	1074	0.254	15
10	0.0327	0.0131	0.0363	− 1	− 1	Correct	804	0.254	10
11	0.0851	0.1218	0.3987	1	1	Correct	803	0.254	15
12	0.0394	0.0147	0.0513	− 1	− 1	Correct	844	0.254	15
13	0.1162	0.2798	0.3863	1	1	Correct	936	0.254	10
14	0.0421	0.0124	0.0570	− 1	− 1	Correct	989	0.254	5
15	0.0470	0.0149	0.0996	− 1	− 1	Correct	1035	0.254	5
16	0.1037	0.1263	0.3676	1	1	Correct	1040	0.254	15
17	0.1602	0.5510	2.0361	1	1	Correct	760	0.210	5
18	0.0325	0.0115	0.0245	− 1	− 1	Correct	760	0.210	10
19	0.0431	0.0122	0.0427	− 1	− 1	Correct	853	0.210	5
20	0.1031	0.1823	0.6225	1	1	Correct	893	0.210	10
21	0.0471	0.0133	0.0702	− 1	− 1	Correct	935	0.210	5
22	0.1787	0.3055	1.5177	1	1	Correct	936	0.210	10
23	0.0507	00218	0.0884	− 1	− 1	Correct	1075	0.210	5
24	0.1480	0.3681	0.9967	1	1	Correct	904	0.210	15
25	0.0396	0.0139	0.0417	− 1	− 1	Correct	860	0.210	15