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Ask the Automation Pros
This long-running series of discussions, curated by 2010 ISA Life Achievement Award recipient Greg McMillan, gathers responses from ISA subject-matter experts on technical topics important to industrial automation professionals, academics and students.
169 Results Found
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FeatureWhen and How to Use Derivative Action in a PID Controller
The least frequently used mode in a PID controller, derivative is more useful when dead time is not pure dead time but is a series of small time constants. -
FeatureHow to Manage Pipeline Valve Positioner and PID Tuning
In general use the highest valve positioner gain that does not cause oscillation. For pipeline flow and pressure control, oscillations are not filtered. -
FeatureWebinar Recording: How to Use Key PID Controller Features
Learn how to use key PID features that can greatly expand what you can achieve. Includes innovative application examples for feedforward and rate limiting.