Question

A heat exchanger has the following transfer function model: \begin{equation} G_\nu(s) = \frac{3e^{-4s}}{15s+1}, \quad G_\theta(s) = \frac{2e^{-7s}}{10s+1} \end{equation}with $G_\nu = G_m = G_t = 1$. (a) Design a feedforward controller based on a steady-state analysis. (b) Design a feedforward controller based on a dynamic analysis. (c) Design a PI feedback controller based on the ITAE method for PI disturbance case. (d) Simulate the closed-loop response to a unit step change in the disturbance variable using feedforward control only and the controllers of parts (a) and (b). Does the dynamic controller of part (b) provide a significant improvement? (e) Repeat part (d) for the feedforward-feedback control scheme and the controllers of parts (a) and (c), as well as (b) and (c). (f) Which control configuration provides the best control?

          A heat exchanger has the following transfer function model:
\begin{equation*} G_\nu(s) = \frac{3e^{-4s}}{15s+1}, \quad G_\theta(s) = \frac{2e^{-7s}}{10s+1} \end{equation*}with $G_\nu = G_m = G_t = 1$.
(a) Design a feedforward controller based on a steady-state analysis.
(b) Design a feedforward controller based on a dynamic analysis.
(c) Design a PI feedback controller based on the ITAE method for PI disturbance case.
(d) Simulate the closed-loop response to a unit step change in the disturbance variable using feedforward control only and the controllers of parts (a) and (b). Does the dynamic controller of part (b) provide a significant improvement?
(e) Repeat part (d) for the feedforward-feedback control scheme and the controllers of parts (a) and (c), as well as (b) and (c).
(f) Which control configuration provides the best control?

A heat exchanger has the following transfer function model:

Gν(s) = (3e^-4s)/(15s+1), Gθ(s) = (2e^-7s)/(10s+1)
with Gν = Gm = Gt = 1.
(a) Design a feedforward controller based on a steady-state analysis.
(b) Design a feedforward controller based on a dynamic analysis.
(c) Design a PI feedback controller based on the ITAE method for PI disturbance case.
(d) Simulate the closed-loop response to a unit step change in the disturbance variable using feedforward control only and the controllers of parts (a) and (b). Does the dynamic controller of part (b) provide a significant improvement?
(e) Repeat part (d) for the feedforward-feedback control scheme and the controllers of parts (a) and (c), as well as (b) and (c).
(f) Which control configuration provides the best control?

Added by Victor J.

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