1660317456431 Ct2110feat3fig1

Digital twins: What are they and what can they do?

Jan. 13, 2022
What makes a digital twin different from a mathematical model, and what sorts of jobs they can do?

“When I use a word, it means whatever I want it to mean.”

So began Louise Wright and Stuart Davidson in their recent article, “How to tell the difference between a model and a digital twin.”[1] Indeed, the words spoken by Lewis Carroll’s Humpty Dumpty in Alice’s Adventures through the Looking Glass might well be applied to any number of marketing campaigns discussing this latest, most fashionable moniker for a virtual representation of an actual phenomena. “Digital twin is currently a term applied in a wide variety of ways,” Wright and Davison continued, their message being that clarity of meaning is essential. Excessive marketing hype and one-upmanship name-dropping distorts a term, which leads to disillusionment about the concept, which leads to underutilization of a good thing.

This article is the first in a three-part series seeking to clarify what a digital twin means in the chemical process industries (CPI), how models and twins are used, and some techniques that can convert a model to a twin.

Read more on ControlGlobal.com.

Sponsored Recommendations

Power Distribution Resource Guide

When it comes to selecting the right power supply, there are many key factors and best practices to consider.

Safe Speed and Positioning with Autonomous Mobile Robots

Here are some tips for ensuring safe speed and positioning for AMRs using integrated safety technology – many of these tips also apply to automated guided vehicles (AGVs).

Faster, Accurate and Reliable Motion Control With Advanced Inductive Technology

This white paper describes new technology offering improved position measurement capabilities in reliability, speed, accuracy and more.

The Value of Dual Rated AC/DC Disconnect Switches

Why is it necessary for me to have a disconnect switch installed in my application?