Chapter 3 Data Driven Identification for Closed Loop System
3.1 Introduction
Nowadays many systems operate under feedback control situations, due to the required safety of operation or to unstable behavior of the plant, as occurs in many industrial processes such as paper production, glass production, separation process like crystallization, etc. As feedback in an open loop structure does not exist, the plant output affects the input less. In a closed loop system, a feedback controller is added to return the collected output to the excited input. Then one error signal between the excited input and feedback output can be imposed on the plant to generate one correction action, which makes the output converge to a given value. The essences of ...
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