Activity
  • Model Predictive Control Using of Wireless Measurements

    For Emerson Exchange 2015 I co-authored a workshop on Process Model Identification and MPC Control of the Dividing Wall Column with Wireless Measurements. The workshop presentation was given by Willy Wojsznis, Emerson Process Management and Bailee Roach, a graduate student at The University of Texas at Austin. In this workshop we show how wireless measurements have been applied with MPC for the control of a divided…
  • Process Control Optimization

    At Emerson Exchange 2015 I hosted a meet the expert session on process control optimization. The six panel members have a wide variety of experience in the process industy. In this session the expert panel members explored the challenges that are often encountered when using traditional and advanced control techniques to optimize plant operations. The experts discussed the basic steps that they recommend be followed…
  • Defining an Architectural Framework for the Internet of Things

    The ISA104 committee , Device Integration, normally meets via WebEx each quarter. However, once per year we have a face-to-face meeting in conjunction with the ISA Fall Leaders Meeting . This year ISA104 committee met on October 12 at the Fall Leaders Meeting held in Louisville, KY. As part of the ISA104 meeting we review work we have done over the last year to promote the Field Device Integration (FDI) standard, IEC…
  • KROHNE OPTIFLUX IFC 100 Rev 1 FF Passes DeltaV- Interoperability Test

    In Emerson’s continuing commitment to open and interoperable standards, the KROHNE OPTIFLUX IFC 100 Rev 1 has passed the rigorous and comprehensive testing of the DeltaV Stress Test labs. Using the Device Installation Kits for Emerson Products website at  http://www2.emersonprocess.com/en-US/documentation/deviceinstallkits/Pages/deviceinstallkitsearch.aspx , these fieldbus device files are now available for use.
  • Differences in Model Predictive Control Applications

    One of the new things that we tried at last week’s Emerson Exchange conference in Denver was to have our Emerson Exchange 365 community members submit questions for a Meet the Experts session panel on process control and optimization. The thread, questions and answers are at Virtual Q&A: Process Control >> REPLY to THIS POST w/ QUESTIONS. A video of the session is now available on this thread: Emerson’s Lou Heavner…
  • Answers to Your Process Control and Optimization Questions from the Experts

    Friday is fast approaching, so submit your questions on process control and optimization to the panel of end user and Emerson experts. Visit the Emerson Exchange 365 community, Virtual Q&A: Process Control >> REPLY to THIS POST w/ QUESTIONS. I will be asking your question to the panel and posting the response. The Experts panelists include: Terry Blevins , Principal Technologist and ISA Fellow Willy Wojsznis…
  • SIS CHARMS in DCS and SIS Integrated Solution in DCS Modernization Project

    Emerson’s MC Chow and Janka O’Brien teamed up with an SIS technical expert from a major refiner to tell a story of a control system and SIS modernization project. Their abstract: This session is to discuss DCS replacement projects on two near identical FCC units. One was done in the traditional non-integrated approach for a DCS and SIS, the other was done using an integrated approach with DeltaV and DeltaV SIS CHARMS…
  • Emerson Secure Remote Access Strengthens Security for Customers Remotely Accessing their Control Systems

    Author: Rick Gorskie , Asset Strategy & Management Program Manager While the DeltaV distributed control system (DCS) has long incorporated firewalls and network switches that provide easy-to-configure security and protection features, users have traditionally used simple authentication from remote workstations or possibly “jump” server gateways to remotely access the control system. This may no longer be sufficient…
  • Predictive Analytics on Inferred Measurements

    Emerson’s Mark Nixon teamed with Robert Montgomery and Bailee Roach with the University of Texas and Brian Parsonnet with Seeq on an Emerson Exchange presentation, Utilizing Predictive Analytics for Inferred Measurements. Their abstract: The University of Texas at Austin is currently working on the design and evaluation of Divided Wall Technology (DWC). The application of DWC distillation offers the potential of significant…
  • Securely Accessing Control System and Historical Information Displays

    There are many ways to get operator displays to people outside the boundary of the control system, but security considerations are paramount. In this quick 1:16 video, DeltaV Graphics in Your Browser with Executive Portal , Emerson’s Matt Poplawski describes how the DeltaV Executive Portal provides a remote read-only view into DeltaV operator displays via a web browser. It helps you combine related real-time and…
  • Capturing and Transferring Plant Operator Expertise

    As businesses in the West grapple with the demographic challenge of losing experienced employees to retirement, companies are taking various approaches to capturing and transferring this expertise to their incoming personnel. Emerson’s Mark Nixon pointed me to a great Chemical Processing article, Plants Grapple with Graying Staff . Mark has led many of the advancements in the DeltaV distributed control system technology…
  • DeltaV Backup Application

    Jason Villamil shares a new item in the DeltaV Application Exchange . The DeltaV Backup Application Configuration Tool provides a complete backup solution for most DeltaV customer implementations. DVDCS Backup also has backup support for Emerson Process Management’s AMS Intelligent Device Manager and ValveLink applications. Thanks for sharing Jason!
  • Process Control Using Wireless Sensors and Actuators

    Over the last 10 years I have worked with a number of technologists from the process industry on various aspects of control using wireless field devices. Much of this work is summarized in the book Wireless Control Foundation – Continuous and Discrete Control for the Process Industry . Recently Mark Nixon (Emerson) and Willy Wojsznis (Emerson), Professors Deji Chen (Tongji University) and Song Han (University of Connecticut…
  • Wireless Event-Based Control

    As wireless communications technology continues to mature, applications have expanded from monitor only to monitor and control. In an earlier post, Event-Based Control in a Wireless World, I mentioned that presentations given by Emerson’s Terry Blevins and Willy Wojsznis and co-authored by Mark Nixon. Here are the recorded presentations: Model Predictive Control With Event Driven Operation (20:10) – Willy Wojsznis…
  • Controlling with Wireless Devices and MPC

    Wireless standards for instrumentation go back to September 2007 when the HART Communications Foundation (now FieldComm Group ) announced the official release of the HART 7 specification. This specification included the WirelessHART protocol . As we have chronicled in many posts in the Wireless category here on the blog, this technology has opened up many new opportunities for process manufacturers and producers to…
  • Model Predictive Control With Event Driven Operation

    Willy Wojsznis, Mark Nixon and I co-author the paper Model Predictive Control With Event Driven Operation for the “ 1st European Experts’ Workshop On Emerging Trends In Event Based Systems ” . In this paper we address how wireless measurements have been successfully used in the application of MPC in the control of a Divided Wall Column (DWC) at the UT, JJ Pickle research center. The paper presentation Willy Wojsznis…
  • Increasing Project Efficiencies in Control System Modernizations

    As members of the “baby boom” generation retire and remove their deep experience from process manufacturers and producers, sometimes the remaining staff knows little of the inner workings of the control systems. Many of these distributed control systems and PLCs that have been in service for decades have become “ black boxes ” in which the current staff is fearful to touch. There is a need to modernize these systems…
  • Event Based Control Applied to Wireless Throttling Valves

    Willy Wojsznis, Mark Nixon and I co-author the paper Event Based Control Applied to Wireless Throttling Valves for the “ 1st European Experts’ Workshop On Emerging Trends In Event Based Systems ”. In this paper we address the performance achieved in a flow lab using an industrial size prototype wireless throttling valve in closed loop control of a liquid flow process. The paper presentation I gave in the workshop…
  • Industrial Advances in Wireless and Event Driven Control

    Last month Willy Wojsznis and I attended the “ 1st European Experts’ Workshop On Emerging Trends In Event Based Systems ”. This workshop was held on the campus of AGH University of Science and Technology, Krakow, Poland. For this workshop, Willy and I co-authored two papers with Mark Nixon that addressed how event triggered execution is used in wireless control. In my next two blogs I will provide more information…
  • Honeywell_ST700FF_Rev4 – DeltaV Interoperability Test

    In Emerson’s continuing commitment to open and interoperable standards, the Honeywell ST700FF Rev4 has passed the rigorous and comprehensive testing of the DeltaV Stress Test labs. Using the Device Installation Kits for Emerson Products website at  http://www2.emersonprocess.com/en-US/documentation/deviceinstallkits/Pages/deviceinstallkitsearch.aspx , these fieldbus device files are now available for use.
  • New DeltaV Virtual Studio Product Data Sheet

    DeltaV Virtual Studio makes it easy to create and maintain virtual DeltaV systems for development, testing, training and on-line production. Learn more in our DeltaV Virtual Studio product data sheet . (1.12MB PDF)
  • Invited Talk – FDI, EDDL, and the FieldComm Group

    Marty Zielinski, Chair of the FieldComm Group’s Strategic Technology Committee, was the invited speaker for the ISA104 Teleconference Meeting held on March 16th, 2015. In his talk Marty discussed the relationship of the Field Device Integration (FDI) standard, IEC 62769, the EDDL international standard IEC 61804 and the FieldComm group. He noted that as of July, 2015 the FieldComm Group will assume maintenance and support…
  • Improving Operator Performance via Human Factors Research

    Safe operations are a top priority for process manufacturers and producers. One major area affecting process and personnel safety is the capabilities and performance of plant operators. The Center for Operator Performance (COP) consortium brings together: …a diverse group of industry, vendor, and academia representatives addressing human capabilities and limitations with research, collaboration, and human factors engineering…
  • Narrated Wireless and Event-Based Control Advancements Presentations

    Yesterday, we highlighted presentations on wireless and event-based control technology advancements by Emerson’s Terry Blevins , Willy Wojsznis and Mark Nixon . Terry and Willy presented these advancements at the First International Conference on Event-Based Control, Communication, and Signal Processing in Krakow, Poland. Here are narrated YouTube videos of the three presentation: Industrial Advances in Wireless…
  • Event-Based Control in a Wireless World

    The First International Conference on Event-Based Control, Communication, and Signal Processing was held June 17-19, 2015 in Krakow, Poland and took place on the campus of AGH University of Science and Technology . Some of the world leaders in Event-Based Control attended and talked in the conference. From the US, Professor Cassandras, Boston University , Professor Tsividis, University of Minnesota , Professor Antsaklis…