Security Breach

Urgent Need for Automation Systems Cyberprotection

Widespread global awareness of threats to information systems (IS) has led government and business to focus significant attention and resources on IS cybersecurity. The same cannot be said regarding industrial automation systems, where there is an urgent need to focus on the cyberprotection of critical industrial control systems. The U.S. Department of Homeland Security has […]

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Hybrid Temperature Controllers Offer More Versatility

Many process plant units have temperature loops that must be monitored and controlled. If these units are self-contained to some degree, as with a process skid or a remote unit, they often have just a few discrete and analog I/O points that must be monitored and controlled in addition to temperature. These units also often […]

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Industrial engineers in factory

Optimized Sensor Selection for Control and Fault Tolerance of Electromagnetic Suspension Systems

Abstract:This paper presents a systematic design framework for selecting the sensors in an optimized manner, simultaneously satisfying a set of given complex system control requirements, i.e. optimum and robust performance as well as fault tolerant control for high integrity systems. It is worth noting that optimum sensor selection in control system design is often a […]

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Webinar Recording: Why Do You Have to Calibrate Smart Instrumentation?

    This post has been updated with the webinar recording. Process measurements are critical with respect to product quality and safety. Verifying/calibrating all instruments properly in a timely manner is an important aspect of ensuring that your product is manufactured correctly. I have seen instruments drift because of their natural tendencies and drift that […]

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How NIST Cybersecurity Framework Improves Critical Infrastructure Protection

On 12 February 2013 President Obama issued Executive Order 13636, titled “Improving Critical Infrastructure Cybersecurity.” The executive order instructed the National Institute of Standards and Technology (NIST) to develop a voluntary cybersecurity framework that would provide a “prioritized, flexible, repeatable, performance-based, and cost-effective approach for assisting organizations responsible for critical infrastructure services to manage cybersecurity […]

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Modeling and Control Approach to a Distinctive Quadrotor Helicopter

Abstract: The referenced quadrotor helicopter in this paper has a unique configuration. It is more complex than commonly used quadrotors because of its inaccurate parameters, unideal symmetrical structure and unknown nonlinear dynamics. A novel method was presented to handle its modeling and control problems in this paper, which adopts a MIMO RBF neural nets-based state-dependent ARX […]

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Growing Future Automation Professionals

Dean Kamen, the founder of FIRST (For Inspiration and Recognition of Science and Technology) and CEO of DEKA Research & Development, has created an organization to energize young people to become science and technology heroes. The mission of FIRST is to inspire young people to be science and technology leaders, by engaging them in exciting […]

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Control Room

A Simple Nonlinear PD Controller for Integrating Processes

Abstract: Many industrial processes are found to be integrating in nature, for which widely used Ziegler–Nichols tuned PID controllers usually fail to provide satisfactory performance due to excessive overshoot with large settling time. Although, IMC (Internal Model Control) based PID controllers are capable to reduce the overshoot, but little improvement is found in the load disturbance […]

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vision-tool

ISA Vision 2020: Can you see the duck?

For as long as I can remember, almost every time I have traveled by car to a place, even if I have been there in the past, I check to make sure I have directions. Today that typically means that I enter the destination in my car’s WAAS/GPS (wide area augmentation system/global positioning system). The […]

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