Question: Consider the experimental step response data for the heat exchanger of Exercise 12.5. Determine the PI controller settings using the step response method and two

Consider the experimental step response data for the heat exchanger of Exercise 12.5. Determine the PI controller settings using the step response method and two controller tuning relations:
(a) Direct Synthesis method with τc = τ/3
(b) Ziegler-Nichols settings in Table 12.6. Which controller provides the more conservative controller settings?

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