Download GTU BE/B.Tech 2019 Winter 4th Sem New 2141708 Control System Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER- IV (New) EXAMINATION - WINTER 2019

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Subject Code: 2141708 Date: 10/12/2019

Subject Name: Control System

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

1. Introduce stability of the systems. (03)
2. Give details about type and order of the system. (04)

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3. Explain mathematical modeling of armature controlled DC servomotors. (07)

Q.2

1. Explain importance of Eigen values. (03)
2. Write benefits of closed loop system over open loop system. (04)
3. Mention difference between transfer function approach and state space approach. (07)

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OR

1. With suitable example explain modeling in state space. (07)

Q.3

1. Discuss about frequency response analysis using polar plot. (03)
2. Determine the stability using Routh Criterion. (04)
   

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   s⁴+5s³ +20s² +50s+40=0
3. Draw second order unit step response and explain associated specification terms. (07)

OR

1. Give difference between transient and steady state response with suitable example. (03)
2. Define following terms: (04)
   1. Rise time

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   2. Settling time
   3. Distributed parameter system
   4. Time variant control system
3. Find the transfer function and develop F—V analogy for system shown in figure. Write necessary equations. (07)

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