Dictionary of Electrical Engineering

Commonly used terms in the Electrical industry.

dead band
(1) the portion of the operating range of a control device or transducer over which there is no change in output.
(2) referring to an automatic controller behavior, a range of values of the controlled variable in which no corrective action occurs. This type of controller behavior is responsible for the time lag, called dead zone lag, which can cause instability of the controlled system if other conditions are present.

See dead zone
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