System Identification of Heat-Transfer Process of Frequency Induction Furnace for Melting Copper Based on Particle Swarm Algorithm

Table 2

Estimation of parameters.

Times					(%)
1	6.0794	5.1238	17.8664	6.3655	14.96
20	5.9288	6.1143	17.8270	5.1525	11.15
40	6.0121	6.5824	20.1386	3.5830	3.30
60	6.0044	6.2609	19.8547	3.8584	1.50
80	5.9985	6.2603	19.8246	3.8509	1.57
100	5.9962	6.2567	19.8341	3.8470	1.55
120	6.0000	6.0510	19.9795	3.9592	0.31
140	6.0000	6.0381	19.9858	3.9694	0.23
160	5.9998	5.9995	19.9996	3.9979	0.01
180	5.9999	6.0057	19.9969	3.9968	0.03
200	6.0000	6.0040	19.9973	3.9978	0.02
True value	6	6	20	4