a) Determine an expression for C in terms of R and U for the situation when both set point change and load change occur simultaneously.b) Construct the routh array for the control system shown in Fig.1. İs the system stable for Kc=1.c) The set point of the control system shown in Fig.1 is given a unit-step change. The load has not changed from its steady-state value (U=0). Determine the offset.d) Determine the offset for the case of a unit-load change. The set point has not changed from its steady-state value (R=0). 1R.Kc7²s² + 23ts +1Where,5 = 11T = 0.85 minTms + 1Im = 0.1 minKe =1Figure 1. Block diagram of the control systema- Determine an expression for C in terms of R and U for the situation when both set point change andload change occur simultaneously.b- Construct the Routh array for the control system shown in Fig. 1. Is the system stable for K=1.c- The set point of the control system shown in Fig.1 is given a unit-step change. The load has notchanged from its steady-state value (U=0). Determine the offset.d- Determine the offset for the case of a unit-load change. The set point has not changed from itssteady-state value (R=0).

(a) For the given system : For Regulator mode of control U(s) varies but R(S) remains constant…

Answered: Determine an expression for C in terms…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

a) Determine an expression for C in terms of R and U for the situation when both set point change and load change occur simultaneously.

b) Construct the routh array for the control system shown in Fig.1. İs the system stable for K_c=1.

c) The set point of the control system shown in Fig.1 is given a unit-step change. The load has not changed from its steady-state value (U=0). Determine the offset.

d) Determine the offset for the case of a unit-load change. The set point has not changed from its steady-state value (R=0).

1
R.
Kc
7²s² + 23ts +1
Where,
5 = 1
1
T = 0.85 min
Tms + 1
Im = 0.1 min
Ke =1
Figure 1. Block diagram of the control system
a- Determine an expression for C in terms of R and U for the situation when both set point change and
load change occur simultaneously.
b- Construct the Routh array for the control system shown in Fig. 1. Is the system stable for K=1.
c- The set point of the control system shown in Fig.1 is given a unit-step change. The load has not
changed from its steady-state value (U=0). Determine the offset.
d- Determine the offset for the case of a unit-load change. The set point has not changed from its
steady-state value (R=0).

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