Tag Archives | Instrumentation

cutting-industrial-headcount-workforce-issues

Unintended Consequences of Cutting Technical Headcount

In the automation community, we routinely hear that reducing head count is one of the better ways to cut operational costs in a manufacturing plant. From some perspectives, this assertion makes sense, especially if management is looking for short-term cost reductions to bolster the plant’s net operating profits, meet their performance goals, and receive their […]

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An Efficient Decentralized Iterative Learning Tracker

Abstract: In this paper, an efficient decentralized iterative learning tracker is proposed to improve the dynamic performance of the unknown controllable and observable sampled-data interconnected large-scale state-delay system, which consists of NN multi-input multi-output (MIMO) subsystems, with the closed-loop decoupling property. The off-line observer/Kalman filter identification (OKID) method is used to obtain the decentralized linear models […]

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Flow Measurement and Instrumentation: Critical Components for Sustainable Processes

Consumers, industry, and society in general benefit from a commitment to sustainability. This concept is not purely about conservation or “being green.” Sustainability is not about using less, but about using the right or necessary amount—reducing waste in the process. The value of sustainability as a business opportunity is balanced between altruistic ideas related to […]

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ISA is Changing

ISA recently made some big news in automation training. One of ISA’s most important and popular courses—Fundamentals of Industrial Process Measurement & Control (FG05M)—is now available in a modular format. Instead of purchasing the entire course at once, you choose only the topic or “module” of online training content that meets your specific needs, budget, […]

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Bilateral Control of Master-Slave Manipulators with Constant Time Delay

  Abstract: This paper presents a novel teleoperation controller for a nonlinear master-slave robotic system with constant time delay in communication channel. The proposed controller enables the teleoperation system to compensate human and environmental disturbances, while achieving master and slave position coordination in both free motion and contact situation. The current work basically extends the passivity […]

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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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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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