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Example 16.1. Find a relation between relative stability (see below) and the phase margin for the control system of Fig. 16-7. A proportional controller is to be used. This block diagram corresponds to the stirred-tank heater system, for which the block diagram has been given in Fig. 12-17. The particular set of constants is T = Tm = 1 1 1 wC These are to be regarded as fixed, while the proportional gain Ke is to be varied to give a satisfactory phase margin. R- Ke U 1 s+1 1 C s+1

Example 16.1. Find a relation between relative stability (see below) and the phase margin for the control system of Fig. 16-7. A proportional controller is to be used. This block diagram corresponds to the stirred-tank heater system, for which the block diagram has been given in Fig. 12-17. The particular set of constants is T = Tm = 1 1 1 wC These are to be regarded as fixed, while the proportional gain Ke is to be varied to give a satisfactory phase margin. R- Ke U 1 s+1 1 C s+1

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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Example 16.1. Find a relation between relative stability (see below) and the phase margin for the control system of Fig. 16-7. A proportional controller is to be used. This block diagram corresponds to the stirred-tank heater system, for which the block diagram has been given in Fig. 12-17. The particular set of constants is T = Tm = 1 1 1 wC These are to be regarded as fixed, while the proportional gain Ke is to be varied to give a satisfactory phase margin. R- Ke U 1 s+1 1 C s+1
Transcribed Image Text:Example 16.1. Find a relation between relative stability (see below) and the phase margin for the control system of Fig. 16-7. A proportional controller is to be used. This block diagram corresponds to the stirred-tank heater system, for which the block diagram has been given in Fig. 12-17. The particular set of constants is T = Tm = 1 1 1 wC These are to be regarded as fixed, while the proportional gain Ke is to be varied to give a satisfactory phase margin. R- Ke U 1 s+1 1 C s+1
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