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ISA Recognizes 2014 ISA Honors and Awards Recipients

The 52nd Annual ISA Honors & Awards Gala was held on November 10 at the Arvest Bank Theatre at The Midland, Kansas City, Mo. The Honors and Awards program provides an opportunity for ISA to recognize outstanding individuals, corporations, and sections and divisions for the contributions they have made to the Society and/or the automation […]

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When “Just Fine” Isn’t Good Enough: HMI Design and Development

    “Please don’t talk to me about technologies that can improve my plant’s performance. I can’t stand the idea of disrupting my current situation with anything new, even if it’s better.” “So, how is the plant running these days?” “Just fine.” Unfortunately, this imagined dialogue isn’t all that imaginary. Despite the great progress we’ve […]

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The Gift – ISA 2014 Fall Leaders Meeting

It seems like just yesterday that we were all very much engaged in the ISA 2014 Fall Leaders Meeting. In case you missed it, this year’s event was held in Kansas City, Missouri at the Marriott downtown. And I personally felt like I was in the midst of what author Gary Harpst calls the Six […]

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Inferential Measurement of Cell and Crystal Growth Rate and Reaction Rate

Simple online inferential measurements of cell growth rate, crystal growth rate, and chemical reaction rate are possible using conventional online measurements of flow and temperature. These inferential measurements enable the monitoring and control of process efficiency and capacity. For continuous operations, the indication of product formation rate can be used for maximizing yield at an […]

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The Art of Level Instrument Selection

In the January/February 2013 issue of InTech, Donald Gillum wrote an excellent article titled Level Measurement: Determining Interface Position Between Two Media. In that article, Gillum discussed the various types of level instrumentation used by industry today and described how they work and some of the advantages and disadvantages of each. This article is a follow-up […]

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Becoming an Automation Professional: Network, Educate, Innovate

I moved with my family to America from Russia in the early 2000s. Upon entering college in 2003, I had a fairly good idea of what I wanted from my education. After taking classes at Louisiana State University and the University of Southern Mississippi (USM), I graduated with a bachelor’s degree in computer engineering technology […]

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Adaptive Backstepping Sliding Mode Control of Flexible Ball Screw Drives

Abstract: This paper presents a method to model and design servo controllers for flexible ball screw drives with dynamic variations. A mathematical model describing the structural flexibility of the ball screw drive containing time-varying uncertainties and disturbances with unknown bounds is proposed. A mode-compensating adaptive backstepping sliding mode controller is designed to suppress the vibration. […]

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December Technical Training and Exam Preparation from ISA

December features ISA’s last Technician Training Boot Camp for 2014. The course focuses on the knowledge required by a control systems technician with five years experience in performing maintenance, calibration and troubleshooting tasks typical of a plant floor environment. Other educational opportunities include CCST and CMRT exam preparation courses plus ISA’s class on  Safety Instrumented […]

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A Behind-the-Scenes Look at a Calibration Process Change

    After you have made the decision to get out of your calibration rut, the next step is to outline a system implementation process. Remember that implementing a fully integrated, automated calibration solution is a process. It simply won’t happen overnight, and needs to be done in steps. Before talking about the steps, let’s […]

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