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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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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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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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August Training and Education Courses Offered by ISA

ISA automation training and education programs for August feature course offerings in calibration, cybersecurity, industrial networking, tuning control loops and instrumentation in hazardous environments plus webinars and online education. The featured program for the month is the Automation Engineering Survival Training course, which is designed specifically for system integrators and focuses on concepts important to […]

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How Can You Achieve a Total Paperless Calibration System?

Not long ago, instrument calibration activities were accomplished using paper worksheets. When calibration management software was used it was primarily as an asset information repository and event scheduler. Worksheets were typically created and approved by management or quality personnel who presumably understood current industry standards. They would initially design a form which included pre-determined math […]

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PID Controller Auto-Tuning Based On Process Step Response and Damping Optimum Criterion

Abstract: This paper presents a novel method of PID controller tuning suitable for higher-order aperiodic processes and aimed at step response-based auto-tuning applications. The PID controller tuning is based on the identification of so-called n-th order lag (PTn) process model and application of damping optimum criterion, thus facilitating straightforward algebraic rules for the adjustment of both […]

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