Loop Control

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
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
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

Reader feedback: December 2021

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

Variations in the PID algorithm

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

Product roundup: Controllers and computers share the road

Innovative accessories and connections everywhere enable control anywhere
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
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
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

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