(a) Using the process, sensor, and valve transfer functions in Exercise 11.21, find the ultimate controller gain...
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(b) Next fit a FOPTD model to G and tune a PI controller for a set-point change. What is the gain margin for the controller?
Function From Exercise 11.21,
Transcribed Image Text:
2e-1.5s G,(6) = (60s + 1)(5s + 1) 0.5e-0.3s G,(s) = 3s +1 Зе-0.25 G„(8): 2s + 1 G_(s) = K.
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Related Book For
Process Dynamics and Control
ISBN: 978-1119385561
4th edition
Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellichamp, Francis J. Doyle
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