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You are using proportional control (G꜀=K꜀)for a pro-cess with Gᵥ=4/(2s+1) and Gₚ=0.6/(50s+1) (time constants in s).You have a choice of two measurements, both of which exhibit first-order dynamic behavior,Gₘ₁=2/(s+1) or Gm₂=2/(0.4s+1).Can G꜀ be made unstable for either process?Which measurement is preferred for the best stability and per-formance properties? Why?

You are using proportional control (G꜀=K꜀)for a pro-cess with Gᵥ=4/(2s+1) and Gₚ=0.6/(50s+1) (time constants in s).You have a choice of two measurements, both of which exhibit first-order dynamic behavior,Gₘ₁=2/(s+1) or Gm₂=2/(0.4s+1).Can G꜀ be made unstable for either process?Which measurement is preferred for the best stability and per-formance properties? Why?

Introduction to Chemical Engineering Thermodynamics
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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You are using proportional control (G꜀=K꜀)for a pro-cess with Gᵥ=4/(2s+1) and Gₚ=0.6/(50s+1) (time constants in s).You have a choice of two measurements, both of which exhibit first-order dynamic behavior,Gₘ₁=2/(s+1) or Gm₂=2/(0.4s+1).Can G꜀ be made unstable for either process?Which measurement is preferred for the best stability and per-formance properties? Why?

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