GATE ECE 2017 Paper 2 — page 16

Questions 46–48 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 16 of 22

A unity feedback control system is characterized by the open-loop transfer function

. The value of

for which the system oscillates at

is ________

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A second-order LTI system is described by the following state equations,

, where

and

are the two state variables and

denotes the input. The output

. The system is

Your answerChoose one option.

undamped (oscillatory)

underdamped

critically damped

overdamped

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A unity feedback control system is characterized by the open-loop transfer function

. The Nyquist path and the corresponding Nyquist plot of

are shown in the figures below.

, then the number of poles of the closed-loop transfer function that lie in the right-half of the

-plane is

Your answerChoose one option.

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2017 · Paper 2