Calculus. Few areas of mathematics are as powerfully useful in describing and analyzing the physical…
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AC induction motors are based on the principle of a rotating magnetic field produced by a set of stationary…
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Valves can experience a number of problems, most of them either preventable or repairable. These problems can…
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An exciting development in industrial instrumentation is the WirelessHART radio communication standard,…
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Cyber-security seems to have its own vocabulary, ranging from unwieldy technical acronyms to slang terms…
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Modern DC and AC motor drives provide features useful when using electric motors as final control elements.…
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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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A different strategy for controlling the flow of fluid is to insert a rotary element into the flow path.…
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Several different technologies exist for the conversion of fluid pressure into an electrical signal response.…
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Recall that an exothermic chemical reaction is one that releases a net sum of energy, as opposed to an…
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In order for any PID controller to be practical, it must be able to do more than just implement the PID…
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Tube, like pipe, is a hollow structure designed to provide an enclosed pathway for fluids to flow. In the case…
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Area refers to the size of two-dimensional surface. Volume refers to the size of a three-dimensional space. To…
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A very common form of on/off valve used for pneumatic and hydraulic systems alike is the solenoid valve. A…
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Perhaps the most important rule of controller tuning is to know the process before attempting to adjust the…
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Although it seems each model of PLC has its own idiosyncratic standard for programming, there does exist an…
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Disconnect Switches Disconnects are switches designed to isolate sections of a power system in case of damage…
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Hydrogen ion activity in aqueous (water-solvent) solutions is a very important parameter for a wide variety of…
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Temperature measurement devices may be classified into two broad types: contact and non-contact. Contact-type…
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Negative feedback systems, in general, tend to cause confusion for those first learning their fundamental…
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