Research Article
System Identification of Heat-Transfer Process of Frequency Induction Furnace for Melting Copper Based on Particle Swarm Algorithm
Table 1
Estimation of parameters.
| Times | | | | | | | (%) |
| 1 | 4.3001 | 3.6775 | 4.7041 | 15.8040 | 4.4133 | 0.8062 | 54.46 | 100 | 3.9306 | 3.0649 | 3.8284 | 12.0910 | 9.8059 | 0.8043 | 35.67 | 200 | 3.6863 | 3.2186 | 3.6900 | 11.7114 | 10.7010 | 0.8015 | 32.91 | 300 | 3.6091 | 3.3414 | 3.6158 | 11.6022 | 10.7973 | 0.8000 | 32.62 | 400 | 2.9136 | 4.1961 | 2.9262 | 10.7083 | 12.8079 | 0.8003 | 27.70 | 500 | 2.5226 | 5.4856 | 2.5382 | 10.9166 | 15.6515 | 0.7986 | 20.28 | 600 | 2.6645 | 5.7444 | 2.6757 | 11.5040 | 16.3083 | 0.7994 | 16.95 | 700 | 3.7783 | 6.0790 | 3.7766 | 14.5121 | 17.5467 | 0.7996 | 2.40 | 800 | 3.9280 | 6.0538 | 3.9294 | 14.8759 | 17.6169 | 0.8000 | 0.84 | 900 | 3.9867 | 6.0446 | 3.9872 | 15.0075 | 17.6055 | 0.8000 | 0.47 | 1000 | 3.9997 | 6.0106 | 4.0000 | 15.0090 | 17.5290 | 0.8000 | 0.14 |
| True value | 4 | 6 | 4 | 15 | 17.5 | 0.8 | ā |
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