An-opto-isolator-based-linearization-technique-of-a-typical-thyristor-driven-pump

Opto-Isolator Based Linearization Solution for a Thyristor-Driven Pump

Abstract: A thyristor driven pump is operated by varying the DC input signal in the firing circuit of thyristor drive. This operation suffers from difficulties due to the nonlinear relation between thyristor output and DC input. In the present paper, an opto-isolator based linearization technique of a typical thyristor driven pump has been proposed.   The […]

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Minimizing Electrical Interference in a Control Panel

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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ISA Members Develop Key Standards That Advance the Industrial Automation Industry

In my discussions with users, they express the desire for automation and control systems with useful, consistent features and interfaces that satisfy real-world needs. Automation professionals have the opportunity to influence and improve automation industry directions when they are active members of ISA, participating in the development of high-quality, unbiased automation information, standards, and technical […]

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Why Do Automation Professionals Join ISA?

Now that we have discussed our five strategic goals (Content, Data, Cool Delivery, Cybersecurity, and Advocacy) and our additional focus areas for 2016 (Alignment, Leadership , Globalization and Voice of the Customer), our front line volunteer leaders and collective members are all thinking the same thing:  What’s in it for me (WIFM)?  Depending on the […]

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Improved Correlation Analysis and Visualization of Industrial Alarm Data

Abstract: The problem of multivariate alarm analysis and rationalization is complex and important in the area of smart alarm management due to the interrelationships between variables. The technique of capturing and visualizing the correlation information, especially from historical alarm data directly, is beneficial for further analysis. In this paper, the Gaussian kernel method is applied to […]

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Loss of Power in a Flow Control Mechanism

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 III […]

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ISA Training and Education Programs for July and August

During four consecutive weeks in July, ISA will be offering a series of basic-to-advanced, hands-on and highly-intensive industrial data communications and cybersecurity training courses. Be prepared to act not react, with ISA’s new System Wide Awareness Training (S.W.A.T.) Camp, intensive training for protecting control systems from cyberattack. In August, look to the Mile High City […]

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Rated Torque and Variable Frequency Drives

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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New Industrial Standards for Robotic Safety

The past few years have been marked by significant changes in industrial safety standards in the U.S. Safety managers, plant managers, and others who are not carefully monitoring these developments may not be keeping pace with the latest codes and regulations. According to the Occupational Safety and Health Administration (OSHA), “machine guarding” that pertains to […]

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