Articles

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  • Lambda Tuning: Use It or Lose It?

    Helpful If Readers Could Get Better Information Than What's Listed in The Last "Control Update" Under: "Cascade Control Recommendation Tips" in Greg McMillan's "Control Talk" Blog

    Sigifredo Nino
    05/02/2014
  • Tuning Interacting Controllers

    Is the Famous Ziegler-Nichols (ZN) Open-Loop Tuning/Closed-Loop Tuning Parameter Calculation for Interacting or Non-Interacting PID?

    Bela Liptak
    05/14/2012
  • Integration

    Read Dan Hebert's Article "Integration Operations to Enterprise" and other online resources on Software Management and Integration Systems

    03/05/2009
  • Ready for Control in the Field?

    When The Loop’s Valve Positioner Loses Power, the Loop Will Experience an Upset No Matter Where the PID Is Solved

    07/01/2008
  • 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.

    04/04/2008
  • Networking the Loop

    Networked Ethernet, DeviceNet and Distributed Nodes Let Loop Controllers Speak

    03/04/2008
  • Faking It Isn’t All Bad

    Simulate or model your loop tuning, operator training, advanced process control or optimization for savings, safety and skill-building.

    10/02/2007
  • A Return to Single-Loop-Integrity

    Control in the field is becoming mainstream once again – just as the ISA SP50 fieldbus committee predicted it would be. CONTROL's regular contributor Dave Harrold looks at the integrity of the control loop.

    Dave Harrold
    03/19/2007
  • Tuning rule bonanza

    Control Talk columnists McMillan and Weiner say in order to get good performance, you need to measure and track the process, the controls, and the equipment under actual real-time operating conditions.

    11/07/2006
  • User-friendly advanced control

    Senior Tech Editor Dan Hebert, PE, looks at the latest advances in simulation and modeling technologies for improved loop control, including new software packages and embedded APC systems.

    10/26/2006
  • Jacket temp: Thermocouple multiplexers

    In this installment of Ask the Experts, Bela Liptak and his cadre of automation experts suggest to a reader how to tune a reactor temperature control loop for nearly all exothermic chemical reactors.

    10/14/2006
  • Online training videos explode the myths of plant performance

    "The 6 Myths of Process Performance" identifies the right things to focus on for improved process performance. The myths represent outdated methods of plant performance improvement. Each myth is debunked in a short 5-minute video.

    08/15/2006
  • Intoxicating answers

    Control Talk columnists McMillan and Weiner describe the period of time between when you first take a drink and when you first recognize the effect and bypass the next round for coffee as dead time.

    08/10/2006
  • The FAT is the problem

    End users need to revisit their expectations of the Factory Acceptance Test (FAT) and accept that not every loop needs to be tested in order to implement a successful fieldbus project.

    07/14/2006
  • Tuning cascade loops

    Tuning a cascade loop is simple, as long as the concepts of the cascade loop are understood. In this installment of "How Do I . . ." we take a look at a common cascade loop application.

    12/12/2005
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