Determine the range of K for which the following systems are stable

Chapter 6, Problem 6.64

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QUESTION:

Determine the range of K for which the following systems are stable:

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QUESTION:

Determine the range of K for which the following systems are stable:

ANSWER:

Problem 6.64

Determine the range of K for which the following systems are stable:

(a) 

(b)

                                                        Step by Step Solution

Step 1 of 8

(a)

The open loop transfer function is given by,

Replace s with  for Nyquist plot.

The magnitude for  is calculated as,

The phase for  is calculated as,

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