Research Article
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 | ā |
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