What is Control Loop?

Definition

A complete signal path from a sensor through the controller and back to the actuator that maintains a process variable at setpoint. Control loops can be open or closed and may use P, PI, or PID algorithms.

Related Terms

PID Control

Proportional-Integral-Derivative control — a feedback algorithm that continuousl...

Feedback Loop

A control path where the output signal is measured and compared with the desired...

Closed-Loop Control

A control system that uses feedback from sensors to compare actual output with t...

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