Results for "james beall"

PID Algorithm ISA Technical Reference

PID Algorithm ISA Technical Reference

At AIChE Spring21+17th GCPS, James Beall presented, An Activity Report on the Newly Formed ISA 5.9 Subcommittee on the PID Algorithm, to address the lack of no standards or technical references related to the Proportional, Integral, Derivative (PID) control algorithm.

Improving Polymer Reactor Control Performance

Improving Polymer Reactor Control Performance

Emerson’s James Beall presented Novel Techniques to Improve Polymer Reactor Tuning at AIChE virtual conference based on a project he worked on. Reactor control is complex with many interactions between control loops. The way to tackle this challenge is to start by identifying the process dynamics and create a realistic process simulation to identify improvements in the control strategy to address the complexities.

Improving Control Valve Response Specifications

Improving Control Valve Response Specifications

Control valve response is a critical factor in successful control strategies and process variability. In a ControlGlobal.com article, Responsible control valve response, Emerson’s Greg McMillan and James Beall discussed the efforts underway to include valve responsiveness into the ISA 75.25 Control Valve Dynamic Testing standard.

How Does PID Loop Dynamic Reset Limit Work?

How Does PID Loop Dynamic Reset Limit Work?

In the DeltaV discussion forum in the Emerson Exchange 365 community, there is a post, Question about Dynamic reset limit and “Use PV for bkcal” options. What caught my eye was a response by Emerson’s James Beall describing dynamic reset limiting and specifically how it is performed in the DeltaV distributed control system controller.

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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.