Determine the appropriate pid controller settings

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Question - 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 Ps 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 KIP = 0.75 psi/mA, respectively. Determine the appropriate PID controller settings using the following approaches:

a) Direct Synthesis approach (select a reasonable value of c)

b) ZN- Process curve method.

Reference no: EM132919848

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