Voices: McMillan & Weiner

How to Get the Most Out of Your PID by Better Tuning

Tuning Tune-up. McMilland and Weiner Ask Sigifredo: What Are the Approximate Percentages of the Various Sources of Problems in the Loops You Have Worked With?

By Greg McMillan, Stan Weiner

*Stan:* We finish up our series with Sigifredo Nino, the founder and owner of Summa Control Solutions, with a discussion of how to get the most out of your PID by better tuning. A PID will only do as well as the PID tuning will allow. A loop with a poorly tuned PID will perform as badly in terms of minimizing errors from load disturbances as a loop with a larger dead time.

Read more

More from this voice


The Future is Now

Process Control Is Open to Innovation!


Show Me the Money - Part 2

Showing the Monetary Benefits of Projects as Much as the Technical Achievements


Show Me the Money – Part 1

The Best Way to Keep Your Job, Save our Profession, and Do Wonderful Things Is to Quantify the Benefits of Process Control Improvements. Money Talks


Going, Going, Gone - Part 3

If the Industry Wants Access to Its Consultants, It Should Insure Their Prospective Retirees Have No Outside Interests


Going, Going, Gone — Part 2

What Can Be Done to Save and Promote Process Control Expertise?


Going, Going, Gone–Part 1

When Greg and Stan Retired, There Was No Attempt from the Industry to Save Their Expertise. Over 100 of the Best Minds in Process Modeling and Control Retired, and the Indusrty Made No Attempt to Retain a Snippet of Their Knowledge


Downturn Turndown

Are People Going to Be Put to Work Improving the Rangeability of the Plant or Let Go to Save Short-Term Costs?


Sensible Sensor Speed-Part 2

Greg McMillan and Stan Weiner Continue Their Conversation on Sensor Speeds


Sensible Sensor Speed–Part 1

Greg McMillan and Stan Weiner Talk Sensor Speeds


The Secret Life of pH Electrodes - Part 3

Bringing Back Experts to Wind Up Our Discussion of One of the Grand Old Tools of Process Control- the pH Electrode


The Secret Life of pH Electrodes – Part 2

Greg McMillan and Stan Weiner Continue Celebrating the 100th Anniversary of the Glass pH Electrode


The Secret Life of pH Electrodes–Part 1

Celebrating the 100th Anniversary of the Glass pH Electrode


It’s 12 a.m. Do You Know What Your PID’s Doing?

The Proportional-Integral-Derivative (PID)


APC and Wireless Rabbits


Secure Answers for a Risky Business

Why Is There Such an Increased Focus on Security?


Deltas Rule

Deltas Rule in the Equation for the Digital Implementation of the PID Algorithm



Is There a Metaphysical Aspect to “Oneness?”


Disturbing Remarks

The Memories of Loops Gone Bad and Processes Gone Wild


Feeding on Feedforward

This Month’s Topic—Feedforward Control


Loops are Not Just for Continuous Processes

Greg McMillan and Stan Weiner bring their wits and more than 66 years of process control experience to bear on your questions, comments, and problems. Write to them at controltalk@putman.net.