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Control valves and process variability
DOI:10.1016/S0019-0578(00)00002-1.png)
Abstract
En 中文
A theoretical analysis is developed to explain some experimental results for a flow loop from the literature. Process variability is shown to be dependent on the disturbance or noise parameters, the closed loop time constant, the loop dead time and the control valve dead band. The results can be extended to other process variables. (C) 2000 Elsevier Science Ltd. All rights reserved.
Keywords:
control valve
process variability
noise
dead time
dead band
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