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)

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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