What is Open-Loop Control?

Definition

A control method where output is based solely on the input command without any feedback from the actual output. Open-loop control is simpler but less accurate than closed-loop, used in V/F drive mode for basic fan and pump applications.

Related Terms

Closed-Loop Control

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

V/F Control

Voltage-to-Frequency control — the simplest motor speed control method maintaini...

Sensorless Control

A drive control method that estimates motor speed and position without requiring...

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