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DeltaV
Discussions related to the DeltaV system
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  • Blog Post: Addressing Loop Interaction

    Terry Blevins
    In some cases, the manipulated parameter of one control loop can impact the controlled parameter of another control loop as illustrated below. To allow both loops to operate in automatic mode, loop interaction is most often addressed by simply detuning one of the control loops by reducing the proportional...
    on 1 Apr 2013

  • Blog Post: Sharing Process Control Expertise with Next-Gen Automation Professionals

    Jim Cahill
    One of the very active U.S. universities in the field of engineering and automation is Oklahoma State University. Their OSU Automation Society was founded several years ago and its purpose is to spread awareness and promote automation and control systems ...read more
    on 7 Mar 2013

  • Blog Post: Making Advanced Process Control Approachable

    Jim Cahill
    A recent ControlGlobal.com article, Advanced Process Control Ain’t Easy, concluded: The optimal solution is elusive, but perhaps the most promising path is to start with the simplest APC possible, one that delivers an acceptable percentage of theoretical ...read more
    on 11 Dec 2012

  • Blog Post: Foundation Book Promotional Kit

    Terry Blevins
    The single loop and multi-loop control techniques most often used in automating continuous and batch processes are addressed in the book Control Loop Foundation – Batch and Continuous Processes. Similarly, the advanced control techniques that are most often utilized in the process industry are addressed...
    on 10 Dec 2012

  • Blog Post: Meet The Expert Session – Advanced Control Foundation

    Terry Blevins
    As I mentioned in an earlier blog, Willy Wojsznis and I hosted a Meet the Expert session at Emerson Exchange 2012 that covers key points contained in the book Advanced Control Foundation – Tools, Techniques, and Applications. Below is a picture from this session. I received permission from the Emerson...
    on 12 Nov 2012

  • Blog Post: Advanced Control Foundation at Emerson Exchange 2012

    Terry Blevins
    The International Society of Automation (ISA) always has a booth at Emerson Exchange to display books published by ISA and make these books available for purchased. The book that Mark Nixon, Willy Wojsznis, I co-authored this year, Advanced Control Foundation – Tools, Techniques, and Applications was...
    on 5 Nov 2012

  • Blog Post: Master the Mystery and Marvels of DeltaV Model Predictive Control

    Jim Cahill
    Emerson’s James Beall presented Master the Mystery and Marvels of DeltaV MPC at the 2012 Emerson Exchange. His abstract: Have you found the perfect application for Model Predictive Control (MPC) but don’t know how to get started? Or perhaps ...read more
    on 15 Oct 2012

  • Blog Post: Control Loop Foundation Class – Nov 5-9

    Terry Blevins
    I worked closely with Emerson’s education department to establish the class Control Loop Foundation (9025). This 4 ½ day class is intended primarily for people who are new to the process industry and process control. Approximately 30% of the class is dedicated to workshops in which the students get hands...
    on 17 Sep 2012

  • Blog Post: Advanced Control Foundation – Book’s Web Site

    Terry Blevins
    A workshop is provided at the end of each chapter of Advanced Control Foundation – Tools, Techniques, and Applications that explores the technology. One of the unique features of the book is that the reader may view the workshop solution by going to the web site (http://www.advancedcontrolfoundation...
    on 10 Sep 2012

  • Blog Post: Advanced Control Foundation – ISA Web Site

    Terry Blevins
    Last week Mark Nixon, Willy Wojsznis and I completed the final type set review of Advanced Control Foundation – Tools, Techniques, and Applications. It is always a good feeling to reach this point when writing a book. As I mentioned in an earlier blog, Advanced Control Foundation – Tools, Techniques...
    on 3 Sep 2012

  • Blog Post: Emerson Exchange – Meet the Expert Session

    Terry Blevins
    This year Emerson Exchange will be held October 8-12, 2012 – Hilton Anaheim in Anaheim, California.  A number of meet the expert sessions are scheduled for the last day of the conference, Friday, October 12th . Willy Worjsznis and I will host one meet the expert session in which we will give an...
    on 13 Aug 2012

  • Blog Post: Advanced Control Foundation – Coming Soon

    Terry Blevins
    Many of the advanced control products available in the DeltaV control system can be traced to an advanced control research and development program established within Emerson Process Management in the early 1990s. The ISA book Advanced Control Unleashed – Plant Performance Management for Optimum Benefit...
    on 6 Aug 2012

  • Blog Post: Automated Advanced Control Integration Tool

    Jim Cahill
    In the process optimization category of this blog, we’ve described many examples of advanced process controls and how they help to improve plant performance. One of the leading providers of multivariable APC over the years has been Aspentech and ...read more
    on 26 Apr 2012

  • Blog Post: Teaching the 9025 Class – Costa Rica

    Terry Blevins
    The week of January 8th, 2012 I traveled to our office in Costa Rica to teach the 9025 class. This class was created last year by Emerson’s education department to provide training on the basics of process control and instrumentation. The lecture material and student workshops included in the class are...
    on 6 Feb 2012

  • Blog Post: Technical Exhibit at Emerson Exchange – Advanced Control

    Terry Blevins
    The number of registered participants at Emerson Exchange, 2011 exceeded 2,900 people. In technical sessions, over 300 papers were presented on a wide variety of topics. At Emerson Exchange the DeltaV future architecture team often presents papers on field trail results associated with prototypes of...
    on 26 Dec 2011

  • Blog Post: Maximizing the Return on Your Control Investment – Part 2

    Terry Blevins
    As addressed in my December 12th blog posting, James Beall and I presented Part 1 of this presentation on Friday morning at Emerson Exchange, 2011 in a “meet the expert” workshop. Part 2 was not presentation at Emerson Exchange because of time limitation. In this continuation of the presentation we address...
    on 19 Dec 2011

  • Blog Post: MPC, Fuzzy or PID?

    Greg McMillan
    In the ISA Automation Week Mentor Program I am providing guidance for extremely talented individuals from Argentina, Brazil, Malaysia, Mexico, Saudi Arabia, and the USA. We will be sharing a question and the answers each week. If you would like to provide ...read more
    on 28 Nov 2011

  • Blog Post: ISA Best Seller Award – Control Loop Foundation

    Terry Blevins and Greg McMillan
    In early September, Mark Nixon and I were notified by ISA that we were recipients of the “Raymond D. Molloy Award” presented by the ISA Publications Department. Our book, Control Loop Foundation—Batch and Continuous Processes, sold the most units of any ...read more
    on 31 Oct 2011

  • Blog Post: Control Loop Foundation – Class (9025)

    Terry Blevins and Greg McMillan
    As I noted in a previous blog, Emerson’s education department has established a class (9025) based on the book Control Loop Foundation – Batch and Continuous Processes that I co-authored with Mark Nixon. This is a 4 ½ day class in which most of the key ...read more
    on 24 Oct 2011

  • Blog Post: Commissioning Control Systems – Process Delay

    Terry Blevins and Greg McMillan
    Single-loop and multi-loop control may be used to address a wide variety of control requirements. However, if a process is characterized by extremely long process delays or by a high degree of process interaction, then other control techniques may be ...read more
    on 29 Aug 2011

  • Blog Post: Commissioning Control Systems – Process Interaction

    Terry Blevins and Greg McMillan
    In many applications, the process equipment is characterized as having multiple manipulated inputs. This type of equipment configuration is often referred to as a multiple input/multiple output process. The process control consists of multiple PID blocks ...read more
    on 15 Aug 2011

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