Research Article

Optimal Control for a Linear System Subject to a General ARIMA Disturbance

Table 2

AMSE when the initial bias’ mean and standard deviation vary. is the ARIMA(1, 1, 1) disturbance with and .

ARIMA controller   
1234

−41.176 (.006)1.180 (.007)1.203 (.008)1.244 (.010)1.304 (.013)
−31.106 (.006)1.110 (.006)1.134 (.007)1.176 (.009)1.237 (.011)
−21.055 (.005)1.061 (.005)1.085 (.006)1.128 (.008)1.190 (.010)
−11.025 (.005)1.031 (.005)1.057 (.005)1.101 (.007)1.163 (.009)
01.014 (.005)1.021 (.005)1.048 (.005)1.093 (.006)1.156 (.008)
11.024 (.005)1.032 (.005)1.059 (.005)1.105 (.007)1.169 (.009)
21.053 (.005)1.062 (.005)1.091 (.006)1.137 (.008)1.202 (.010)
31.103 (.006)1.113 (.006)1.142 (.007)1.189 (.009)1.255 (.011)
41.172 (.007)1.183 (.007)1.213 (.008)1.261 (.011)1.328 (.013)

controller   
1234

−41.279 (.007)1.284 (.008)1.311 (.010)1.360 (.012)1.432 (.016)
−31.194 (.006)1.200 (.007)1.228 (.008)1.279 (.010)1.351 (.013)
−21.133 (.006)1.140 (.006)1.170 (.007)1.221 (.009)1.294 (.011)
−11.096 (.005)1.105 (.005)1.135 (.006)1.187 (.008)1.261 (.010)
01.084 (.005)1.093 (.005)1.124 (.006)1.177 (.007)1.253 (.010)
11.095 (.005)1.105 (.005)1.137 (.006)1.192 (.008)1.268 (.010)
21.130 (.006)1.141 (.006)1.174 (.007)1.230 (.009)1.307 (.011)
31.189 (.007)1.201 (.007)1.235 (.008)1.292 (.010)1.370 (.013)
41.272 (.007)1.285 (.008)1.320 (.009)1.378 (.012)1.458 (.016)

The corresponding SEAMSE’s are enclosed in the parentheses. Neither measurement errors nor adjustment errors are considered in the simulations.