Adaptation Implies Internal Model
نویسنده
چکیده
This note provides a simple result showing, under suitable technical assumptions, that if a system Σ adapts to a class of external signals U , then Σ must necessarily contain a subsystem which is capable of generating all the signals in U . It is not assumed that regulation is robust, nor is there a prior requirement for the system to be partitioned into separate plant and controller components.
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