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This document contains 4 questions about control systems. Question 1 asks about comparing AC and DC servomotors and finding properties of a transfer function. Question 2 discusses open and closed loop control systems and finding the error for a given input. Question 3 covers different controller types and finding a value from a block diagram. Question 4 lists advantages of signal flow graphs and obtaining a transfer function from a mechanical system diagram.

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48 views1 page

Wer

This document contains 4 questions about control systems. Question 1 asks about comparing AC and DC servomotors and finding properties of a transfer function. Question 2 discusses open and closed loop control systems and finding the error for a given input. Question 3 covers different controller types and finding a value from a block diagram. Question 4 lists advantages of signal flow graphs and obtaining a transfer function from a mechanical system diagram.

Uploaded by

geopray
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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1. a) Compare AC and DC Servomotors.

(2M)
b) The Open Loop Transfer Function of Unity Feedback control system is given by

G(S)= 16 . Find the natural frequency of response, Damping Ratio, Damped Frequency
S(S+4)
and Time constant. (3M)

2. a) Write differences between Open Loop and Closed Loop Control System. (2M)
b) For unity feedback control system the Open Loop Transfer Function G(S)=10(S+2) Find
S2(S+4)
the eSS when the input is r(t)=3-2t+3t2.And also find Kp, Kv and Ka. (3M)
3. a) Explain about different types of Controllers. (2M)
b) For the system represented by the block diagram shown in fig. find C/R. (3M)

4. a) What are the advantages of Signal Flow Graph over Block Diagram Reduction Technique? (2M)
b) Obtain the Transfer Function X1(s) / F(s) for the mechanical system shown in fig.

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