ISA-Interchange-Insights-Maximizing-Biopharmaceutical-Product-Quality-Rev0

Simple Strategies for Maximizing Biopharmaceutical Product Quality

Bioreactor batches can take days or weeks to complete. Each batch may be worth millions of dollars. Preventing bad batches and achieving repeatable high quality product is critical. The use of key PID features, tuning objectives and feedforward control can meet the stringent requirements for biopharmaceutical production. Interaction between DO and pH control can be […]

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Stochastic Behavior Analysis of Complex Repairable Industrial Systems Utilizing Uncertain Data

Abstract: The purpose of this paper is to present a novel technique for analyzing the behavior of an industrial system stochastically by utilizing vague, imprecise, and uncertain data. In the present study two important tools namely Lambda-Tau methodology and particle swarm optimization are combinedly used to present a novel technique named as particle swarm optimization […]

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AutoQuiz20150522

AutoQuiz: How Many Routing Ports are on Pneumatic Solenoid Valves?

Today’s automation industry quiz question comes from ISA’s new course, Control Valve Mechanics and Operations from Analog to Digital. The class, which is offered June 22-26, takes a deep dive into the control valve’s mechanical composition, actuation and positioning accessories, including a detailed study of digital valve controllers. The class is hands-on and lab intensive, and is […]

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Standards Benefit the Automation Industry

The automation industry has been slow to embrace interoperability standards; this is changing with a new wave of technologies that provides a great deal of value. ISA has been a leader in creating valuable standards, such as ISA-88 and ISA-95, that have been adopted worldwide and are even more effective with new interoperability standards. Standards […]

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ISA Education and Technical Training in June

June features a comprehensive program of education and training opportunities, including on-site training, webinars and exam preparation courses. You also have a special opportunity to register for one or more of the five consecutive weeks of ISA’s most popular automation engineering, safety and security courses in Houston, Tex. ISA’s Houston Section is sponsoring Technical Training […]

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AutoQuiz20150515

AutoQuiz: In Liquid Flow, What is the Collapse or Implosion of Bubbles Called?

Today’s automation industry quiz question comes from ISA’s new course, Control Valve Mechanics and Operations from Analog to Digital. The class, which is offered June 22-26, takes a deep dive into the control valve’s mechanical composition, actuation and positioning accessories, including a detailed study of digital valve controllers. The class is hands-on and lab intensive, and is […]

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ISA-Interchange-Insights-Optimizing-Ethanol-Plants-Rev0

Simple Strategies for Optimizing Ethanol Plants

Corn is the highest cost factor in ethanol production. The addition of three PID controllers in an ethanol plant can improve yield and the ability to match front end production to back end purification. These controllers can make the most out of online and off-line analyzers providing recognition and reduction of the sources of variability. […]

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Optimal Control in Microgrid Using Multi-Agent Reinforcement Learning

Abstract: This paper presents an improved reinforcement learning method to minimize electricity costs on the premise of satisfying the power balance and generation limit of units in a microgrid with grid-connected mode. Firstly, the microgrid control requirements are analyzed and the objective function of optimal control for microgrid is proposed. Then, a state variable ‘‘Average […]

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AutoQuiz20150507-1

AutoQuiz: Which Type of Flowmeter Measures Flow By Measuring Volume Directly?

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. For information about the CCST program, click this link. Which Type of Flowmeter Measures Flow by […]

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