= Setpoint (control system)
{wiki=Setpoint_(control_system)}
In control systems, a **setpoint** is a desired or target value that a system aims to maintain or achieve through its control actions. It serves as a reference point against which the current state of the system is compared. The difference between the setpoint and the current process variable (the actual value being measured) is called the **error**. Control systems use this error to adjust inputs to the system to minimize the difference and bring the process variable closer to the setpoint.
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