抄録
We discuss the application of an LTR (Loop Transfer Recovery) technique to a discrete-time integral controller design using a disturbance estimator. For our problem, the conventional LTR techniques can not be applied since the extended system consisting of a plant and a disturbance model is not stabilizable. We give an appropriate target and a recovery procedure for the LTR. Taking a state feedback integral controller including a disturbance entimator as a target, we show that an LTR procedure based on the Riccati equation formalism recover the target feedback property provided the plant model is minimum phase. A simple numerical example is presented to illustrate the flexibility of the proposed design.
