Classical control theory: Difference between revisions

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'''Classical control theory''' is taa branch of [[control theory]] that deals with the behavior of [[dynamical system]]s with inputs, and how their behavior is modified by [[feedback]], using the [[Laplace transform]] as a basic tool tottto model such systems.t

The usual objective of control theory is to control a system, often called the ''[[Plant (control theory)|plant]]'', so its output follows a desired control signal, called the ''[[reference]]'', which may be a fixed or changing value. To do this a ''[[Controller (control theory)|controller]]'' is designed, which monitors the output and compares it with the reference. The difference between actual and desired output, called the ''error'' signal, is applied as [[feedback]] to the input of the system, to bring the actual output closer to the reference.