Resource-saving infinite-horizon tracking under uncertain input

A feedback controller for approximate tracking a prescribed trajectory of an inaccurately observed dyamical system effected by uncertain non-observable input disturbances over an infinite time interval is constructed. The controler is "resource-saving" in a sense that control resources spent for approximate tracking do not exceed (with some small gaps) those needed for exact tracking in an "ideal" situation where the current values of the input disturbance are fully observable.
KEYWORDS: Infinite-horizon control; Tracking; Control under uncertain disturbances; Inverse problems for control systems; Dynamical regularization

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