Research Article

Robust Kalman Filter-Based Dynamic State Estimation of Natural Gas Pipeline Networks

Table 2

Filter coefficients of DSEs.

NodePressureMass flow rate
KFRKFKFRKF

10.11110.1084
20.48310.4492
30.00010.00010.98880.9888
40.00010.00010.98880.9888
50.00020.00010.98880.9888
60.00020.00010.98880.9888
70.00030.00020.98880.9888
80.00030.00020.98880.9888
90.00140.00110.56190.5161
100.00610.00490.51010.3902
110.00110.00080.13940.0706
120.00110.00070.43010.3681
130.00160.00110.29840.1957
140.00270.00210.50320.4625
150.01870.02450.64880.6339
160.03550.03630.04050.0151
170.03080.02060.00610.0021
180.00060.00040.98880.9888
190.03310.01440.16340.0956
200.03880.02930.29030.2361
210.06010.04730.20870.1523
220.00040.00030.42320.3063
230.00640.00420.98880.9888
240.03720.02490.06610.0281
250.03610.02980.43380.2521
260.05010.03630.33760.2185
270.06870.03650.13160.0748
280.01930.01140.98880.9888
290.05510.03180.09440.0606
300.05430.03940.10210.0661