Loop Control

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Loop Control

Use first-principles techniques to get FOPDT coefficient values

Compared with empirical methods, a first-principles approach can save time and money, plus boost process understanding
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Loop Control

The concealed PID revealed, part 5

This Control Talk column appeared in the February 2022 print edition of Control. To read more Control Talk columns click here or read the Control Talk blog here. Greg: In Part...
Loop Control

The concealed PID revealed, part 4

Understand PID subtleties to improve and optimize loop and process performance
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Loop Control

The concealed PID revealed, part 3

How two-degree-of-freedom controllers both optimize setpoint response and minimize the effect of load disturbances
Valves

Reader feedback: December 2021

A reader writes in to comment on one of Greg McMillan's recent articles, and he responds.
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PLCs & PACs

Variations in the PID algorithm

Care is needed, as the same vocabulary may imply different mathematics
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Industrial Computers

Product roundup: Controllers and computers share the road

Innovative accessories and connections everywhere enable control anywhere
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Loop Control

Ask the experts: Addressable loops and schizoid thermocouples

Our experts address the limits of addressable F&G loops and how to troubleshoot misbehaving thermocouples
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Distributed Control

When to use controller output signal characterization

If process gain changes with controller output, here’s how to linearize loop response and tame troublesome tuning
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Loop Control

Simulation enhances career and system performance

Profession and process control go hand-in-hand, benefiting from the deeper understanding and outside-the-box thinking gained through simulation
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Calibration

Gulf States Instruments expands business with automation solutions

GSI, AutomationDirect develop a series of systems to improve safety and production, while saving them time and money