Table 2 Performance study of the IGTT, GTT, PSO and GWA for ten common, well-known mathematical models.
From: Fuel-cell parameter estimation based on improved gorilla troops technique
Function | Index | Algorithms | IGTT vs PSO | IGTT vs GWA | IGTT vs GTT | |||
|---|---|---|---|---|---|---|---|---|
PSO | GWA | GTT | Proposed IGTT | |||||
F1 | Best | 300.06 | 310.48 | 300.00 | 300.00 | 1 | 1 | 0 |
Mean | 1578.38 | 3268.19 | 300.00 | 300.00 | 1 | 1 | 1 | |
Worst | 20,019.47 | 15,183.27 | 300.00 | 300.00 | 1 | 1 | 1 | |
STD | 3546.87 | 2860.15 | 0.00 | 0.00 | 1 | 1 | 1 | |
F2 | Best | 600.00 | 600.07 | 600.18 | 600.00 | 0 | 1 | 1 |
Mean | 603.45 | 601.81 | 608.56 | 602.07 | 1 | 0 | 1 | |
Worst | 616.02 | 609.28 | 632.64 | 611.74 | 1 | 0 | 1 | |
STD | 4.08 | 2.02 | 6.03 | 2.37 | 1 | 0 | 1 | |
F3 | Best | 1103.325 | 1106.808 | 1103.007 | 1101.995 | 1 | 1 | 1 |
Mean | 1205.218 | 1157.378 | 1127.185 | 1111.416 | 1 | 1 | 1 | |
Worst | 1816.178 | 1377.781 | 1173.228 | 1127.875 | 1 | 1 | 1 | |
STD | 124.8757 | 56.02409 | 17.68361 | 6.631911 | 1 | 1 | 1 | |
F4 | Best | 1601.427 | 1607.329 | 1601.428 | 1600.738 | 1 | 1 | 1 |
Mean | 1704.993 | 1750.189 | 1706.592 | 1671.014 | 1 | 1 | 1 | |
Worst | 1860.675 | 2155.505 | 1975.837 | 1856.503 | 1 | 1 | 1 | |
STD | 72.15404 | 129.1761 | 107.5027 | 78.0683 | 0 | 1 | 1 | |
F5 | Best | 1704.609 | 1729.231 | 1719.061 | 1700.8 | 1 | 1 | 1 |
Mean | 1761.116 | 1765.681 | 1743.249 | 1736.032 | 1 | 1 | 1 | |
Worst | 1866.902 | 1870.742 | 1782.644 | 1758.831 | 1 | 1 | 1 | |
STD | 34.91874 | 31.83496 | 13.93582 | 12.29503 | 1 | 1 | 1 | |
F6 | Best | 1917.35 | 1920.302 | 1908.523 | 1905.111 | 1 | 1 | 1 |
Mean | 14,688.71 | 9463.822 | 1963.368 | 1935.025 | 1 | 1 | 1 | |
Worst | 91,792.57 | 23,815.15 | 2078.074 | 2027.433 | 1 | 1 | 1 | |
STD | 17,861.23 | 7582.319 | 47.48994 | 35.91983 | 1 | 1 | 1 | |
F7 | Best | 2200.001 | 2200.933 | 2200 | 2200 | 1 | 1 | 1 |
Mean | 2316.145 | 2304.802 | 2217.995 | 2203.876 | 1 | 1 | 1 | |
Worst | 2355.174 | 2339.213 | 2320.622 | 2316.188 | 1 | 1 | 1 | |
STD | 43.17469 | 37.30524 | 39.8798 | 16.27022 | 1 | 1 | 1 | |
F8 | Best | 2576.574 | 2732.078 | 2500 | 2500 | 1 | 1 | 1 |
Mean | 2770.463 | 2749.426 | 2686.881 | 2647.925 | 1 | 1 | 1 | |
Worst | 2818.748 | 2780.715 | 2789.163 | 2766.639 | 1 | 1 | 1 | |
STD | 40.19088 | 13.31095 | 112.488 | 123.906 | 0 | 0 | 0 | |
F9 | Best | 2898.674 | 2898.193 | 2897.81 | 2897.743 | 1 | 1 | 1 |
Mean | 2962.524 | 2942.153 | 2926.967 | 2927.1 | 1 | 1 | 0 | |
Worst | 3019.521 | 3030.581 | 3024.302 | 2950.618 | 1 | 1 | 1 | |
STD | 37.59257 | 20.67387 | 27.90874 | 23.25528 | 1 | 0 | 1 | |
F10 | Best | 3096.771 | 3089.544 | 3089.738 | 3089.297 | 1 | 1 | 1 |
Mean | 3116.86 | 3100.511 | 3096.373 | 3092.899 | 1 | 1 | 1 | |
Worst | 3195.082 | 3203.113 | 3107.354 | 3099.196 | 1 | 1 | 1 | |
STD | 22.70682 | 17.39673 | 4.171774 | 2.837842 | 1 | 1 | 1 | |
