Control is used in a variety of contexts to express "mastery&qu ot; or "proficienc y": e.g. "Music students attending a master class are expected to have full control of basic skills such as rhythm and pitch" and more generally an ability to purposefully direct (including suppression of) change.Managemen t and finance · Science and technology · Popular culture

Control theory is an interdisciplinar y branch of engineering and mathematics, that deals with the behavior of dynamical systems. The desired output of a system is called the reference. When one or more output variables of a system need to follow a certain reference over time, a controller manipulates the inputs to a system to obtain the desired effect on the output of the system.Overview · History · People in systems and ... · Classical control theory

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