Process Controls
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6 Terms
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Control variable
the process variable being sensed and maintained at a desired condition (set point)
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Manipulated variable
the process variable that we change to influence the CV
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Actuator
the physical device that changes the MV
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Sensor
the physical device that measures the CV
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Disturbance
a non-steady state and unpredictable mass or energy flow that influences the CV
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5 major subsystems
controllers, actuators, processes, sensors, and communication networks
Note 
Flashcards (120)