Case History 179: Some unusual measurement and control problems September 2021, Michael Brown Control Engineering The example given in this article illustrates some mistakes made by the system integrators and control engineers at a metals extraction plant that used a well-known make of PLC and scada for its controls.
Tag-specific requirements in RFID systems for track and trace September 2021, Turck Banner, Industrial Wireless The BL ident complete RFID system from Turck Banner offers solutions in the HF or UHF range with interfaces for use in a plant or switch cabinet.
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.
