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integral action - Control Components Glossary

Term : integral action

What is 'integral action'? What does 'integral action' mean?

Definition

The integral is the area bounded by the size of the deviation and the time over which the deviation occurred. The integral action changes the manipulated variable in proportion to the integral of the deviation. Generally, the integral action is used together with the proportional action to correct the offset caused by the proportional action.

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