English: Block diagram of a simple negative feedbackcontrol system. The box P represents the Plant, the system to be controlled. Its output y(t) is continuously compared to a reference signalr(t) representing the desired output. The difference between the two, called the error signale(t) is used by a Controller device (C) to generate a control signal u(t) to change the behavior of the plant.
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original upload to en.wikiprdia.org on 00:56, 17. Jan 2003
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Simple feedback control loop block diagram Created in Dia by en:User:Ap original upload to en.wikiprdia.org on 00:56, 17. Jan 2003 {{GFDL}} Category:Mechanical engineering