| 摘要 |
PROBLEM TO BE SOLVED: To provide a dynamic system capable of estimating performance parameters whose number is larger than number of sensors, with considering variation with time.SOLUTION: An estimation device includes a predetermined number of sensors for detecting predetermined observation values from a gas-turbine engine, and a Kalman filter for estimating a state of the gas-turbine engine using a dynamic model of the gas-turbine engine on the basis of the observed values detected by the sensors. The gas-turbine engine includes an element describing temporal performance variation with a performance parameter, and the Kalman filter is also capable of estimating performance parameters whose number is larger than the predetermined number by introducing a first-order delay element instead of the element. |
