A step change from 15 to 31 psi in actual pressure results in the measured response from
Question:
A step change from 15 to 31 psi in actual pressure results in the measured response from a pressure-indicating element shown in Figure.
(a) Assuming second-order dynamics calculate all important parameters and write an approximate transfer function in the form, where R? is the instrument output deviation (mm), P? is the actual pressure deviation (psi).
(b) Write an equivalent differential equation model in terms of actual (not deviation) variables.
Transcribed Image Text:
K R'(s) P') 2 + 2rs + 1 12.7 11.2 R (mm) 2.3 ৪ Time (s)
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a b Gain 112mm8mm 31psi 15psi Oversho...View the full answer
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Related Book For
Process Dynamics And Control
ISBN: 978-0471000778
2nd Edition
Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellich
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