Control Systems-Lag, Lead and Lag-Lead Compensation [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 4 of 4

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Question 1

Appeared in Year: 2017

Question MCQ▾

Which of the following can be the pole-zero configuration of a phase-lag controller (lag compensator) ?

Choices

Choice (4)Response

a.

The Pole-Zero Configuration of a Phase-Lag Controller

b.

This Image Lag Compensator

c.

The Following Can be the Pole-Zero

d.

The Pole-Zero Configuration

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Question 2

Appeared in Year: 2015

Question MCQ▾

The transfer function of a first order controller is given as where K, a and b are positive real numbers. The condition for this controller to act as a phase lead compensator is

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 3

Appeared in Year: 2017

Question MCQ▾

Which of the following statement is incorrect?

Choices

Choice (4)Response

a.

Lead compensator is used to reduce the settling time

b.

Lag compensator always stabilizes an unstable system

c.

Lead compensator may increase the order of a system

d.

Lag compensator is used to reduce the steady state error.

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Question 4

Appeared in Year: 2015

Question Numeric Answer▾

A lead compensator network includes a parallel combination of R and C in the feed-forward path. If the transfer function of the compensator is , the value of RC is …

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