“Radio” systems use electromagnetic fields to communicate information over long distances through…
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At the root of successful system diagnosis is a rigorous adherence to scientific reasoning. There exists no…
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A pressure switch is one detecting the presence of fluid pressure. Pressure switches often use diaphragms or…
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Much of our knowledge about atomic structure comes from experimental data relating the interaction between…
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One of the most common, and most useful, pressure measuring instruments in industry is the differential…
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A much simpler alternative to continuous vibration sensors (displacement or acceleration) and monitoring…
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In reliability engineering, it is important to be able to quantity the reliability (or conversely, the…
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Learning from reading printed text is a kind of problem-solving activity it is own right. The problem is how…
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Another category of control strategies involves the use of signal relays or function blocks with the ability…
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Perhaps the most confusing aspect of discrete sensors is the definition of a sensor’s normal status.…
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Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
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Coy, John J. et. al. (December 2012) Sampled graphic illustrations from his NASA Reference Publication…
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Perhaps the most important rule to obey when using pneumatic instruments is to maintain clean and dry…
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A simple control system drawn in block diagram form looks like this: Information from the measuring device…
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The fundamental principle of electromagnetism is that an electric current will create a magnetic field at…
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Many years ago, when I was first learning about electricity, I happened to discover a length of coaxial…
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This animation shows the basic operation of a gas chromatograph, showing the separation of different molecular…
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Pipe is a hollow structure designed to provide an enclosed pathway for fluids to flow, usually manufactured…
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One of the great benefits of digital technology is the ability to communicate vast amounts of information over…
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A laser is a light source emitting waves of light that not only share the exact same frequency (color)…
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There are multiple motives for compromising the security of an industrial control system, some of which…
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