Tag Archives | manufacturing

Pre-processing-of-data-coming-from-a-laser-EMAT-system-for-non-destructive-testing-of-steel-slabs

Pre-Processing of 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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Technical Training from ISA for October and November

ISA’s Technician Training Boot Camp comes to Houston, Tex. in October. 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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Implementation of a Soft PLC System Based on WorldFIP Fieldbus

Abstract: Communication efficiency is lowered and real-time performance is not good enough in discrete control based on traditional WorldFIP field intelligent nodes in case that the scale of control in field is large. A soft PLC system based on WorldFIP fieldbus was designed and implemented. Link Activity Scheduler (LAS) was integrated into the system and […]

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How Industrial Engineers Use Social Media

I have been tracking how the industrial automation community uses social media since the “early days” — back in the mid-2000s. Some companies took a “wait-and-see” approach, understandably concerned about the business prospects for social media after highly touted platforms such as MySpace, Second Life and Google Buzz fizzled. Last year, digital marketing expert and […]

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Tracy-Widom Approach to F-16 Aircraft Sensor-Actuator Fault Detection

Abstract: The fault detection approach based on the Tracy-Widom distribution is presented and applied to the aircraft flight control system. An operative method of testing the innovation covariance of the Kalman filter is proposed. The maximal eigenvalue of the random Wishart matrix is used as the monitoring statistic, and the testing problem is reduced to determine […]

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ISA Technical Education and Training for September and October

In September, drill down on process control with ISA’s Process Automation Boot Camp. Designed for non-maintenance personnel with little or no background in process measurements and control, this hands-on course focuses on the physical measurement technologies, the communication signals, and various applications of instrument equipment to achieve common process measurements and control. An exciting mix […]

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How Does Low Flow Affect Differential Pressure Flowmeter Calibration?

For flowmeter calibration, the phenomenon of “low flow cut-off” is only associated with differential pressure transmitters with square root extraction — if the square root (flow) calculation is done in the control system (DCS/PLC), then this test approach does not apply. The graphic below illustrates the issue. Some may ask why we are testing the […]

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The Decision to Volunteer: The Why, How, and a Personal Call to Action

In their book, The Decision to Volunteer: Why People Give Their Time and How You Can Engage Them, Beth Gazley and Monica Dignam used research on associations to better understand why members volunteer for professional societies such as ISA.  Their research indicated that volunteers contribute their time for both altruistic (other-serving) and instrumental (self-serving) reasons.  […]

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Event-Triggered Control Design of Linear Networked Systems with Quantizations

Abstract: This paper is concerned with the control design problem of event-triggered networked systems with both state and control input quantizations. Firstly, an innovative delay system model is proposed that describes the network conditions, state and control input quantizations, and event-triggering mechanism in a unified framework. Secondly, based on this model, the criteria for the asymptotical […]

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