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ISA Is Much More Than a Membership Organization

It’s fitting, I believe, that this column is being posted in November—the month that ISA and the Automation Federation have designated as Automation Appreciation Month. Automation Appreciation Month provides ISA with an opportunity to thank its members for their strong support, active involvement, and leadership contributions. In addition, the month celebrates the value and significance […]

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AutoQuiz: What is the “OR” Gate Equivalency in an Electronic Circuit?

Today’s automation industry quiz question comes from ISA’s course, Electrical Controls for the Control Systems Technician (TI23). This course focuses on electrical controls that are frequently overlooked in a formal training program. It is geared toward any level technician who wants a thorough review of electrical process concepts to reinforce their knowledge of basic electricity […]

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Design Automation Systems with a Focus on Diagnostics and Situational Awareness

My first post regarding good automation system design concepts approached the issue of robust design from the field level, looking at field devices and wiring practices. This time we move up the automation food chain to look at the control platform, which is made up of controllers, input/output (I/O) modules, and the networking means that […]

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AutoQuiz: How Do You Calculate Absolute PSI?

Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for information about the CCST program. This question is from the Level I […]

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Fuzzy Model Based Adaptive PID Controller Design for Nonlinear and Uncertain Processes

Abstract: We develop a novel adaptive tuning method for classical proportional–integral–derivative (PID) controller to control nonlinear processes to adjust PID gains, a problem which is very difficult to overcome in the classical PID controllers. By incorporating classical PID control, which is well-known in industry, to the control of nonlinear processes, we introduce a method which can […]

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Is There Enough Focus on Cybersecurity for Municipal Infrastructure?

The volumes of information written about cybersecurity can be mind-boggling. The subject has important implications for everyone, especially for those of us involved with industrial control systems and software-based automation of water, sewer and electric systems. Legacy control systems have always been vulnerable because they weren’t designed with cyber attacks in mind. They were designed […]

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AutoQuiz: What Ladder Logic Symbol Represents a Logically True Condition for a Discrete PLC Input?

Today’s automation industry quiz question comes from ISA’s new course, PLC Fundamentals for the Technical Professional. The next class starts Nov. 9. This course focuses on the role the programmable logic controller plays in the design of a control system and how proper selection, installation and maintenance can reduce operating costs and improve performance. It provides […]

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