John Gerry, ExperTune

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Control Systems March 1, 1998

How to Control Processes with Large Deadtimes

Processes with large deadtimes present a special challenge for a controller—any controller. The controller must wait until the deadtime has passed before it gets any feedback from the process.The best thing to do for controlling this type of process is to try to reduce the dead time. Simply moving a probe closer to the valve may do it.

By John Gerry, ExperTune
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