Background The following figure shows a heat-exchanger process whose purpose is to maintain the temperature of a liquid

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Background The Following Figure Shows A Heat Exchanger Process Whose Purpose Is To Maintain The Temperature Of A Liquid 1 (101.54 KiB) Viewed 45 times

Background The following figure shows a heat-exchanger process whose purpose is to maintain the temperature of a liquid at a prescribed temperature. The temperature is measured using a sensor and a transmitter, TT22, that sends the measurement to a corresponding controller, TC 22, that compares the actual temperature with a desired temperature set point SP. The controller automatically opens or closes a valve to allow or prevent the flow of steam to change the temperature in the tank. SP Steam Process fluid TO) T) Condensate return (a) Prelab 1. Can you sketch the block diagram of the negative feedback system? (Hint: The input starts with a comparison of two signals to produce an error signal. You have a heat exchanger (plant) Gp(s) transfer function, a valve (controller) transfer function G,(s), and a sensor transfer function) G(S). 2. Assuming a gain compensator with transfer function Gc(s) = K and with other transfer 0.02 functions Gs-(s) = 125+1, G,(s) =; a. Find the value of K that will result in a dominant pole with = 0.7. Obtain the corresponding Ts. b. Design a PD controller to obtain the same damping factor as a. but with a settling time 20% smaller. = 45+1° Gr(s) = 70 50s +1 Experiment 1 1. Verify the prelab theoretical results via a Matlab simulation. 2