Tag Archives | manufacturing


PI and Fuzzy Logic Controllers for Shunt Active Power Filter

Abstract: This paper presents a shunt Active Power Filter (APF) for power quality improvements in terms of harmonics and reactive power compensation in the distribution network. The compensation process is based only on source current extraction that reduces the number of sensors as well as its complexity. A Proportional Integral (PI) or Fuzzy Logic Controller (FLC) […]

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Managing Infrequent Operational Procedures Is Critical to Safe Process Manufacturing

For all the sophisticated automation in process manufacturing environments, there is one area where operators still take manual control in many facilities: procedures for infrequent operations. When it is time to start up a unit, make a grade change, adjust to a new feedstock, or make any number of specific adjustments to the process—operators often […]

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Ain’t No Stopping Us Now

We just finished our Fall Leaders Meeting (FLM) and it was so invigorating spending time with our dedicated volunteer leadership teams.  There was record attendance, many new faces, and an outstanding Honors & Awards Gala event.  The Leaders Meeting Planning Committee developed a strong program that offered many opportunities to hone our ISA and work-related […]

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Learn, Advance and Succeed with ISA Training in November and December

ISA’s Technician Training Boot Camp comes to Philadelphia, Penn. in November. The week of intensive hands-on training covers all the fundamentals plus the ultimate in smart technology. Learn the knowledge required by a control systems technician with five years’ experience in performing maintenance, calibration and troubleshooting tasks typical of a plant floor experiment. Review existing […]

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How to Achieve Optimal Web Tension Control

Tension controls are crucially important, both for the runnability of the machine and for the overall quality of the product. However, this control is quite often executed imperfectly or even incorrectly because of poor design or engineering. Many times the selected components themselves are good, but they are still incorrect for the specific application, or […]

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Decentralized Supervisory Based Switching Control for Uncertain Multivariable Plants

Abstract: In this paper, the design of decentralized switching control for uncertain multivariable plants is considered. In the proposed strategy, the uncertainty region is divided into smaller regions with a nominal model and specific control structure. The underlying design is based on the quantitative feedback theory (QFT). It is assumed that a MIMO-QFT controller exists for […]

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Pre-Processing Data Coming From a Laser-EMAT System for Non-Destructive Testing of Steel Slabs

Abstract: Non-destructive test systems are increasingly applied in the industrial context for their strong potentialities in improving and standardizing quality control. Especially in the intermediate manufacturing stages, early detection of defects on semi-finished products allow their direction towards later production processes according to their quality, with consequent considerable savings in time, energy, materials and work. However, […]

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The Leadership Challenge: Priming the Pump

Last month I talked about the challenge of filling our volunteer leadership pipeline.  This is a multi-faceted challenge that includes the search, identification, and mentoring of potential new leaders.  Once we get volunteers to come forward, we need to figure out ways to help them become successful in their leadership roles.  This includes training on […]

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