Much has been written about the benefits of robust PID control. Increased productivity, decreased equipment…
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In this section I will show screenshots from a process loop simulation program illustrating the effectiveness…
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The simplest form of 4-20 mA current loop is the type used to represent the output of a process controller,…
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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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It is possible to convey electrical power and communicate analog information over the same two wires using 4…
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There are multiple motives for compromising the security of an industrial control system, some of which…
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Abdelaziz, Ahmed (June 2014) Identified numerous typographical errors throughout the book, mostly repeated…
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A proximity switch is one detecting the proximity (closeness) of some object. By definition, these switches…
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Thermodynamics is the study of heat, temperature, and their related effects in physical systems. As a subject,…
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The purpose of a control valve actuator is to provide the motive force to operate a valve mechanism. Both…
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A machine in the broad sense of the word is any device designed to translate some form of energy into useful…
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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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A fluid is any substance having the ability to flow: to freely change shape and move under the influence of a…
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Classical mechanics (often called Newtonian mechanics in honor of Isaac Newton) deal with forces and motions…
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When control valves operate between fully open and fully shut, they serve much the same purpose in process…
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Data-processing modules within FF systems are known as function blocks. Sometimes these blocks serve merely to…
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The Law of Mass Conservation states that matter can neither be created nor destroyed. The Law of Energy…
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Volumes could be written about poor diagnostic technique. The following mistakes are not intended to comprise…
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It is often useful to express the amplitude of an alternating quantity such as voltage or current in terms…
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A very common method for directly controlling low flow rates of fluids is to use a device known as a metering…
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First, let us review some of the properties of differentials and derivatives, referencing the expression and…
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To better understand the design and operation of self-balancing pneumatic mechanisms, it is helpful to examine…
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One of the most common, and most useful, pressure measuring instruments in industry is the differential…
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Shown here is a partial listing of principles applied in the subject matter of this chapter, given for the…
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