Tag Archives | process control

AutoQuiz-What-Type-of-Contract-Places-Primary-Risk-with-Supplier

AutoQuiz: What Type of Contract Places Primary Risk with a Supplier?

Today’s automation industry quiz question comes from the ISA Certified Automation Professional certification program. ISA CAP certification provides a non-biased, third-party, objective assessment and confirmation of an automation professional’s skills. The CAP exam is focused on direction, definition, design, development/application, deployment, documentation, and support of systems, software, and equipment used in control systems, manufacturing information […]

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Modified-Smith-Predictor-Based-Cascade-Control

Modified Smith Predictor-Based Cascade Control of Unstable Time Delay Processes

  Abstract: An improved cascade control structure with a modified Smith predictor is proposed for controlling open-loop unstable time delay processes. The proposed structure has three controllers of which one is meant for servo response and the other two are for regulatory responses. An analytical design method is derived for the two disturbance rejection controllers by […]

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Optimize-Process-Operations-with-Wireless-Measurements

How to Overcome Challenges of PID Control and Analyzer Applications via Wireless Measurements

Wireless measurements offer significant life-cycle cost savings by eliminating the installation, troubleshooting, and modification of wiring systems for new and relocated measurements. Some of the less recognized benefits are the eradication of EMI spikes from pump and agitator variable speed drives, the optimization of sensor location, and the demonstration of process control improvements. However, loss […]

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AutoQuiz-What-Flowmeter-Does-Not-Use-an-Obstruction

AutoQuiz: What Flowmeter Does Not Use an Obstruction?

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 comes from the Level I […]

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How-to-Calibrate-Analytical-Instruments

Webinar Recording: How to Calibrate Analytical Instruments

This is the first of a series about maintaining analytical instrumentation. Insight into common applications and issues of analytical instrumentation as well best practices to calibrate will be explained. The webinar will provide examples of how you document “one-sided” calibrations, such as pH/ORP and gas sensors/analyzers. This approach can apply to other instrumentation as well, […]

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AutoQuiz-Best-Strategy-for-Finding-Efficient-Operating-Points-with-Complex-Shifting-Process-Conditions

AutoQuiz: Best Strategy for Finding Efficient Operating Points with Complex Shifting Process Conditions

Today’s automation industry quiz question comes from the ISA Certified Automation Professional certification program. ISA CAP certification provides a non-biased, third-party, objective assessment and confirmation of an automation professional’s skills. The CAP exam is focused on direction, definition, design, development/application, deployment, documentation, and support of systems, software, and equipment used in control systems, manufacturing information […]

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Simulation-Stability-Analysis-Neural-Network-Based-Control

Simulation and Stability Analysis of Neural Network Based Control Scheme for Switched Linear Systems

Abstract: This paper proposes a new adaptive neural network based control scheme for switched linear systems with parametric uncertainty and external disturbance. A key feature of this scheme is that the prior information of the possible upper bound of the uncertainty is not required. A feedforward neural network is employed to learn this upper bound. The […]

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AutoQuiz-What-Is-the-Application-for-an-Impulse-Line-in-Fluid-Flow

AutoQuiz: What Is the Application for an Impulse Line in Fluid Flow?

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 comes from the Level I […]

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