Question: For a multistage bioseparation process described by the transfer function, Calculate the response to a step input change of magnitude, 1.5. (a) Obtain an approximate

For a multistage bioseparation process described by the transfer function,

Calculate the response to a step input change of magnitude, 1.5.

(a) Obtain an approximate first- order-plus-delay model using the fraction incomplete response method.

(b) Find an approximate second-order model using a method of Section 7.2.

(c) Calculate the responses of both approximate models using the same step input as for the third-order model. Plot all three responses on the same graph. What can you conclude concerning the approximations?

G(s) (55 + 1)(3s + 1)(s + 1)

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