Of gorillas and swarms – the manufacturing CIO’s new dilemma July 2021, Absolute Perspectives Back in the heyday of integrated business systems, the manufacturing CIO was faced with a relatively simple choice: which big ERP vendor to select and what database technology to run the system on?
Case History 178: An over-filtered hydrogen flow loop July 2021, Michael Brown Control Engineering A good example that shows how lack of knowledge of the practicalities of control can result in terrible control characteristics.
Loop Signatures 1: Introduction to the Loop Problem Signatures series May 2020, Michael Brown Control Engineering Over the years I have had many requests to write a book giving more detailed explanations of some of the problems I have encountered in my work on practical loop optimisation. I am by nature and inclination ...
Loop Signatures 6: Final control elements – Part 2: characteristics. April 2021, Michael Brown Control Engineering Feedback theory generally assumes that the process has a linear transfer function, which means that equal changes on the input will result in equal changes on the output.
Control Loop: Loop Signatures 5 February 2021, Michael Brown Control Engineering This article outlines some of the practical problems and rules of thumb relating to final control elements, which can affect control in the real world.
Unlimited performance in limited spaces February 2021, KROHNE The new AF-E 400 is the culmination of KROHNE`s 70 years of expertise in electromagnetic flow measurement and was specifically designed for industrial automation applications.
Control loop: Case History 175 Oversized valve disrupts good control January 2021, Michael Brown Control Engineering This article provides good insight into the dangers of using largely oversized valves, and into the importance of understanding practical control, and how your controllers work.
PMV D30 smart digital positioner from V&A January 2021, Valve & Automation While pumps, seals and valves frequently get most of the attention, it is often the actuators and positioning solutions that are running the show.
Case History 174: The importance of setting up your controller properly October 2020, Michael Brown Control Engineering It always amazes me that so few people really understand the workings of their feedback controllers. I have met only a few who really understand the practicalities of control blocks.
Loop Signatures 3: Process Dynamics – process gain September 2020, Leaderware If one wishes to control a process, then it is important to have a reasonable understanding of the process itself and certainly one should also be aware of the external influences that can act on it.
