1.- The open-loop transfer function of a system is: G(S)H(S) = K/(S – 1)(S + 2), where K = 1. Figure 2 shows the general Nyquist plot for this transfer function. Using the Nyquist criterion determine: a) How many poles are on the right half of the plane for the closed-loop function? Is the system stable or unstable? Justify your answer b) What is the gain margin expressed in dB? c) How much the gain K has to be changed expressed in dB in order to obtain a marginally stable system

1.- The open-loop transfer function of a system is: G(S)H(S) = K/(S – 1)(S + 2), where K = 1. Figure 2 shows the general Nyquist plot for this transfer function. Using the Nyquist criterion determine: a) How many poles are on the right half of the plane for the closed-loop function? Is the system stable or unstable? Justify your answer b) What is the gain margin expressed in dB? c) How much the gain K has to be changed expressed in dB in order to obtain a marginally stable system

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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