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Process Control: Modeling, Design, and Simulation by B. Wayne Bequette

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M5.4. Classical Feedback Control (Chapters 5 and 6)

Closed-Loop Performance Requirements

It is desirable to be able to make setpoint changes of ± 0.1 gmol/liter. Also, the manipulated dilution rate should not change by more than 0.4 min-1, and there should be less than 20% overshoot. Here, we assume that the process is represented by the transfer function

Problem 1. Based on the transfer function given, answer the following questions:

  1. For a desired concentration change of 0.1 gmol/liter, what is the expected steady-state manipulated dilution rate change? If the volume is 1 liter, what is the expected steady-state flow-rate change? If the volume ...

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