Table 6.

The center number of different algorithms. SV, spinning velocity; ST, spinning temperature; QV, quenching velocity; QT, quenching temperature.

Training Data					Center Nubmer
SV	ST	QV	QT	DE	PSO	K-means	This paper
0.12	0.06	0.99	0.46	0.62	6	23	153
0.01	0.27	0.99	0.59	0.74	6	23	169
0.04	0.22	0.74	0.46	0.68	6	23	234
0.09	0.11	0.99	0.46	0.66	6	23	305