Research Article
Robust Kalman Filter-Based Dynamic State Estimation of Natural Gas Pipeline Networks
Table 2
Filter coefficients of DSEs.
| Node | Pressure | Mass flow rate | KF | RKF | KF | RKF |
| 1 | — | — | 0.1111 | 0.1084 | 2 | — | — | 0.4831 | 0.4492 | 3 | 0.0001 | 0.0001 | 0.9888 | 0.9888 | 4 | 0.0001 | 0.0001 | 0.9888 | 0.9888 | 5 | 0.0002 | 0.0001 | 0.9888 | 0.9888 | 6 | 0.0002 | 0.0001 | 0.9888 | 0.9888 | 7 | 0.0003 | 0.0002 | 0.9888 | 0.9888 | 8 | 0.0003 | 0.0002 | 0.9888 | 0.9888 | 9 | 0.0014 | 0.0011 | 0.5619 | 0.5161 | 10 | 0.0061 | 0.0049 | 0.5101 | 0.3902 | 11 | 0.0011 | 0.0008 | 0.1394 | 0.0706 | 12 | 0.0011 | 0.0007 | 0.4301 | 0.3681 | 13 | 0.0016 | 0.0011 | 0.2984 | 0.1957 | 14 | 0.0027 | 0.0021 | 0.5032 | 0.4625 | 15 | 0.0187 | 0.0245 | 0.6488 | 0.6339 | 16 | 0.0355 | 0.0363 | 0.0405 | 0.0151 | 17 | 0.0308 | 0.0206 | 0.0061 | 0.0021 | 18 | 0.0006 | 0.0004 | 0.9888 | 0.9888 | 19 | 0.0331 | 0.0144 | 0.1634 | 0.0956 | 20 | 0.0388 | 0.0293 | 0.2903 | 0.2361 | 21 | 0.0601 | 0.0473 | 0.2087 | 0.1523 | 22 | 0.0004 | 0.0003 | 0.4232 | 0.3063 | 23 | 0.0064 | 0.0042 | 0.9888 | 0.9888 | 24 | 0.0372 | 0.0249 | 0.0661 | 0.0281 | 25 | 0.0361 | 0.0298 | 0.4338 | 0.2521 | 26 | 0.0501 | 0.0363 | 0.3376 | 0.2185 | 27 | 0.0687 | 0.0365 | 0.1316 | 0.0748 | 28 | 0.0193 | 0.0114 | 0.9888 | 0.9888 | 29 | 0.0551 | 0.0318 | 0.0944 | 0.0606 | 30 | 0.0543 | 0.0394 | 0.1021 | 0.0661 |
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