I/P < - Electrical signal Pneumatic signal AC --Set point x2 = 1 w2 x1 wi Xm AT V
I/P < - Electrical signal Pneumatic signal AC --Set point x2 = 1 w2 x1 wi Xm AT V
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
Related questions
Question
Consider the schematic diagram of a controlled blending process shown in Fig. The control objective is to control the mass fraction of the exit stream,x, by adjusting inlet flowrate,w₂, using a feedback controller. The mass fractions ofa key chemical component in the inlet streams,x₁ and x₂,are constant, and mass flow rate w₁ is a disturbance variable.The liquid volumeV is constant. The composition sen-sor/transmitter (AT) and the current-to-pressure transducer(I/P) are both direct-acting devices.What is theminimumamount of information you wouldneed in order to decide whether the feedback controller, AC,should be reverse-acting or direct-acting?
![I/P <
- Electrical signal
Pneumatic signal
AC --Set point
x2 = 1
w2
x1
wi
Xm
AT
V](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4da41d3e-941d-44b3-9c44-94219737cff5%2F6455ecd9-029e-43e5-acec-e7837cde3ad3%2Ftxcxxf5.png&w=3840&q=75)
Transcribed Image Text:I/P <
- Electrical signal
Pneumatic signal
AC --Set point
x2 = 1
w2
x1
wi
Xm
AT
V
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