Tagged Content List
  • Blog Post: Foundation Book Promotional Kit

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

    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...
  • Blog Post: Advanced Control Foundation at Emerson Exchange 2012

    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...
  • Blog Post: Emerson Exchange 2012

    If you attended Emerson Exchange 2012 in Anaheim, California, Oct 8-12th then I am sure you will agree this event exceeded all expectations. With over 350 workshops and short course to select from, it was always easy to find a presentation of interests. The exhibit area was open the first three days...
  • Blog Post: Tip #57: Be a Team Player

    Note: The following tip is from the upcoming book by Greg McMillan and Hunter Vegas titled, 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. Tip #57: Be a Team Player By Greg McMillan (Career) When I started my career, I could pretty much execute the entire automation...
  • Blog Post: Addressing Control Applications Using WirelessHART Devices

    At Emerson Exchange, 2012 I will be co-presenting a workshop with Mark Nixon and Marty Zielinski titled Addressing Control Applications Using WirelessHART Devices. In this workshop we will be address the technical basis for the PID modification, known as PIDPlus, that are included in DeltaV v11 to address...
  • Blog Post: Emerson Exchange – Meet the Expert Session

    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...
  • Blog Post: Advanced Control Foundation – Coming Soon

    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...
  • Blog Post: Boot Camp for New Employees

    Courses required for an engineering degree are designed to provide the student with a sound technical foundation for work in industry. However, in most cases these courses do not address the terminology and common practices that an engineer must know to design, implement, checkout and commission a process...
  • Blog Post: Tip #70 – Minimize Dead Time

    Note: The following tip is from the upcoming book by Greg McMillan and Hunter Vegas titled, 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. Tip #70 – Minimize Dead Time By Greg McMillan (Technical) When I was 4 years old and sitting on my Daddy’s knee, he said, “Son,...
  • Blog Post: Field Device Integration (FDI) Standard – IEC62769

    The SC65E WG7 committee met May 28-June1, 2012 in Meisdorf, Germany. In this meeting the committee addressed work that is part of the maintenance cycle for IEC61804 – Function blocks (FB) for process control. Also, much of the meeting discussion focused on work related to the development of IEC 62769...
  • Blog Post: PID Advances in Industrial Control

    I was honored to be one of the three plenary speakers at the IFAC PID’12 conference. My presentation was scheduled on the last day of the conference, Friday, March 30, 2012. The topic of my talk was PID Advances in Industrial Control. In this presentation I address the fact that major advances have been...
  • Blog Post: Event Based PID Control

    An entire session of the IFAC PID’12 conference was dedicated to Event Based PID Control. The introduction of wireless transmitters in the process industry is one of the primary motivations for the research in this area. Willy Wojsznis and I both sat in on this session to see the latest work in this...
  • Blog Post: Future Perspectives of PID Control

    A panel on Future Perspectives of PID Control of was the highlight of the second day of the IFAC PID’12 conference. The panel chairman was Professor Karl Astrom who is widely known throughout the control community for his many contributions in process control. Willy Wojsznis was the speaker on the panel...
  • Blog Post: Intelligent PID Product Design

    Willy Wojsznis is the primary author of a paper on Intelligent PID Product Design that was written for the IFAC PID’12 conference. The paper was scheduled to be presented in the first session of the conference on Wednesday, March 28, 2012. Unfortunately, Willy was delayed in getting to the conference...
  • Blog Post: Control Using Wireless Devices – Conclusions

    Field experience using WirelessHART in control applications may be summarized in the following manner: WirelessHART measurements may be used in closed loop control applications.  Window communications mode minimizes power consumption PIDPlus is a standard feature of DeltaV and works with standard WirelessHART...
  • Blog Post: Control Using Wireless Devices – Field Results Part 2

    The Separations Research Program was established at the J.J. Pickle Research Campus in 1984. This cooperative industry/university program performs fundamental research of interest to chemical, biotechnological, petroleum refining, gas processing, pharmaceutical, and food companies. CO2 removal from stack...
  • Blog Post: Control Using Wireless Devices – Field Results Part 1

    Broadley James manufactures bioreactors and control systems (based on DeltaV) that are used in the life science industry. To explore the use of WirelessHART transmitters in bioreactor control, a portable Hyclone 100 liter disposable bioreactor was instrument with a Rosemount WirelessHART gateway and...
  • Blog Post: Control Using Wireless Devices – Control Performance Part 2

    The reliability of WirelessHART device communication has been well established. Even so, in the event of loss communication, the expected control behavior is of interest. The simulation environment was used to compare the behavior of the PIDPlus for loss of communications to a PID with a wired transmitter...
  • Blog Post: Control Using Wireless Devices – Control Performance Part 1

    When the PIDPlus is used with a wireless transmitter in a control application the performance will be comparable to that achieved using a wired transmitter with a wired transmitter. To demonstrate this, the module shown below was created in DeltaV that allows the control using PIDPlus using s wireless...
  • Blog Post: Control Using Wireless Devices – The Solution Part 2

    In Solution Part 1 we examined that can be made in the PID reset to accommodate slow and/or non-periodic measurement update. To further enhance the response for continuous changes in setpoint the implementation of the PIDPlus may be modified as shown below. This PIDPlus implementation is standard in...
  • Blog Post: Control Using Wireless Devices – The Solution Part 1

    As mentioned my previous block, the communication capability of WirelessHART devices and a modification in the way the PID enable control using wireless devices. The standard communication techniques that are supported by a WirelessHART device are defined in HART 7 specification that has been adopted...
  • Blog Post: TWCCC Meeting Mach 5-6, 2012

    Emerson is one of the industrial sponsors of the Texas -Wisconsin – California Control Consortium (TWCCC). As explained on the TWCCC web site, this consortium carries out joint industrial-academic research in the areas of chemical process modeling, monitoring, control and optimization. The consortium...
  • Blog Post: Control Using Wireless Devices – The Challenge

    There are significant difference in the frequency and manner in which anew measurement value is updated by a wired transmitter vs. a wireless transmitter. Thus, it is natural to question what impact this has whena wireless transmitter is used in closed loop control. Since most wireless transmitters are...
  • Blog Post: IFAC Conference on Advances in PID Control

    The IFAC Conference on Advances in PID Control, PID’12, will be held in Brescia, Italy on March 28-30, 2012. As noted on the conference web site, the aim of this conference is to gather academic and industrial experts in the field in order to present the recent research developments in the design...