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3) A liquid mixture is heated in a perfectly mixed tank with a heating coil using a saturated steam at 120°C. Temperature of the mixture is controlled using a proportional integral controller. Temperature of feed stream and flow rate of steam act as disturbance and manipulated variable, respectively. The open loop transfer functions are 0.5 Gp 1 and Ga 1+s %3D 1+s For proportional-integral controller; 1 Gc = 5(1 + 0.5s The measuring device and control valve have the following transfer functions: Gm=1 G=1 a) Draw the block diagram of closed loop system b) Drive the expression for closed loop response. c) Find the offset for a unit step change in the set point (servo problem) Is there a change in the order of the response? Please state what is the reason for the occurrence or absence of the change.

3) A liquid mixture is heated in a perfectly mixed tank with a heating coil using a saturated steam at 120°C. Temperature of the mixture is controlled using a proportional integral controller. Temperature of feed stream and flow rate of steam act as disturbance and manipulated variable, respectively. The open loop transfer functions are 0.5 Gp 1 and Ga 1+s %3D 1+s For proportional-integral controller; 1 Gc = 5(1 + 0.5s The measuring device and control valve have the following transfer functions: Gm=1 G=1 a) Draw the block diagram of closed loop system b) Drive the expression for closed loop response. c) Find the offset for a unit step change in the set point (servo problem) Is there a change in the order of the response? Please state what is the reason for the occurrence or absence of the change.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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3) A liquid mixture is heated in a perfectly mixed tank with a heating coil using a saturated steam at 120°C. Temperature of the mixture is controlled using a proportional integral controller. Temperature of feed stream and flow rate of steam act as disturbance and manipulated variable, respectively. The open loop transfer functions are 0.5 Gp 1 and Gd 1+s 1+s For proportional-integral controller; 1 Gc = 5(1+ 0.5s The measuring device and control valve have the following transfer functions: Gm=1 G=1 a) Draw the block diagram of closed loop system b) Drive the expression for closed loop response. c) Find the offset for a unit step change in the set point (servo problem) Is there a change in the order of the response? Please state what is the reason for the occurrence or absence of the change. d) How would response will change if Kc=10? Just make a comment, do not make any calculations.
Transcribed Image Text:3) A liquid mixture is heated in a perfectly mixed tank with a heating coil using a saturated steam at 120°C. Temperature of the mixture is controlled using a proportional integral controller. Temperature of feed stream and flow rate of steam act as disturbance and manipulated variable, respectively. The open loop transfer functions are 0.5 Gp 1 and Gd 1+s 1+s For proportional-integral controller; 1 Gc = 5(1+ 0.5s The measuring device and control valve have the following transfer functions: Gm=1 G=1 a) Draw the block diagram of closed loop system b) Drive the expression for closed loop response. c) Find the offset for a unit step change in the set point (servo problem) Is there a change in the order of the response? Please state what is the reason for the occurrence or absence of the change. d) How would response will change if Kc=10? Just make a comment, do not make any calculations.
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