Control Station: LOOP-PRO TUNER

 All too often engineers accept the status quo when tuning PID controllers due to the complexities of real-world process dynamics. Even though tuning control loops is proven to improve…

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What Effect Does Noise Have on Controller Tuning?

Noise – that random variation in your data signals – is seemingly everywhere. Low frequency process and high frequency signal noise are two sources that directly affect control. There’s no avoiding it. Indeed, when tuning PID controllers practitioners simply need to deal with it. As they say: It is what it is!

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Setting the Standard: Top 3 Considerations When Tuning PID Controllers

When the PID controller was first introduced manual tuning was the only game in town. As tuning
software entered the market it consistently failed to address common challenges associated with industrial control. Those lapses provided the rational for a generation of practitioners to continue tuning PID loops by manual methods. Recent innovations now make software the clear and superior option. But benefitting from tuning software requires practitioners to move beyond those historical misconceptions.

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What Value is Hidden in a Plant’s Process Data

While a typical Distributed Control System (DCS) keeps a watchful eye on production and scheduling there are other important details that a DCS simply overlooks. To be clear, a DCS consumes process data in order to measure and regulate the flow of material through a plant. It interprets sensor data and orchestrates adjustments to Final Control Elements in order to maintain Set Points.

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Pros and Cons of Higher Order Models

Modeling is a time-tested approach for decoding a process’ dynamic behavior. By understanding how a process responds to change it’s possible to apply an appropriate and timely counter measure. Two common applications of modeling are 1) PID controller tuning, and 2) process simulation.

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The Power of the FOPDT Model

If you’re a parent, then chances are you’ve encountered this dilemma: It’s the day after your son or daughter’s birthday and you’re now faced with the job of assembling gifts provided by friends and family. You can either ‘wing it’ with the hope of constructing each toy quickly or you can hunker down and follow the manufacturer’s step-by-step instructions. While ignoring the instructions and following your intuition seems like the faster option, most experienced parents know that those instructions represent a speedier solution which ultimately results in a happier child.

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The Pros and Cons of Cascade Control

As shared previously Cascade Control is an advanced application of Single Loop Control. Through the use of a secondary and faster PID control loop, practitioners can improve a given process’ ability to correct for known disturbances. Although it is considered an advanced strategy, Cascade Control is commonly used across the process industries.

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What Options Exist for Tuning Emerson DeltaV Controllers?

Emerson’s DeltaV distributed control system (DCS) dominates much of North America’s process manufacturing market and beyond. For good reason engineers routinely rank it among the top supervisory control platforms globally. And while DeltaV has proven its capabilities as a comprehensive DCS platform other technologies have extended its overall application value in industrial arenas ranging from basic materials and chemicals to power and paper. It’s no surprise that some of those technologies come from innovative third parties.

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