Binary patterns are not just able to represent numerical values. Given a standardized code, they may represent…
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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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Linearity of Measurement Instruments The purpose of calibration is to ensure the input and output of an…
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Valve actuators provide force to move control valve trim. For precise positioning of a control valve, there…
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I remember first learning about the world-wide Internet, and wondering what it actually looked like. The first…
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A fundamental limitation of proportional control has to do with its response to changes in setpoint and…
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Calculus has a reputation for being difficult to learn, and with good reason. The traditional approach to…
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The final step in treating wastewater before releasing it into the natural environment is to kill any harmful…
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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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Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
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When I began teaching full-time in 1998, most of what I thought I understood about good teaching was actually…
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Control strategies such as cascade, ratio, feedforward, and those containing limit and selector functions can…
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Every flow-measuring instrument exploits a physical principle to measure the flow rate of fluid stream.…
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Those familiar with industrial instrumentation will find much within the electric power industry remarkably…
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In addition to Ohm’s Law, we have a set of rules describing how voltages, currents, and resistances…
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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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Capacitance Any two electrical conductors separated by an insulating medium possess the characteristic called…
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“As to methods there may be a million and then some, but principles are few. The man who grasps…
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“Feedforward” is a rather under-used control strategy capable of managing a great many types of…
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(Will be addressed in future versions of this book)
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