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A process stream is heated using a shell and tube heat exchanger. The exit temperature is controlled by adjusting the

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A process stream is heated using a shell and tube heat exchanger. The exit temperature is controlled by adjusting the steam control valve shown in figure. During an open-loop experimental test, the steam pressure P was suddenly changed from 18 to 20 psig and the temperature data shown below were obtained. At the nominal conditions, the control valve and current-to-pressure transducers have gains of Kv 0.9 psi/psi and K/p 0.75psi/mA, respectively.imageDetermine appropriate PID controller settings using the following approaches:(a) Internal Model Control (select a reasonable value of ?c)(b) ITAE (set point)(c) ITAE (disturbance)image

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LC LT P, Reboiler Steam Condensate T.

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Process Dynamics And Control

Process Dynamics And Control

ISBN: 978-0471000778

2nd Edition

Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellich

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Question Posted: July 29, 2011 16:11:25
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