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Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Fifth Semester B.Tech Degree Regular and Supplementary Examination December 2020

Course Code: AE301
Course Name: CONTROL SYSTEM
Max. Marks: 100 Duration: 3 Hours
Provide one graph sheet and one semi-log sheet
PARTA

Answer any two full questions, each carries 15 marks. Marks

1 a) With the help of a diagram, define closed loop control system. (3)

b) Derive an expression for peak time of a second order system. (4)

c) Develop the differential equations governing the mechanical system shown (8)
below by drawing the free body diagrams and determine the overall transfer

function.

2 a) What are the properties of signal flow graph? State its advantages. (5)
b) Derive an expression for the time response of second order underdamped system. (10)

3 8) Determine the response of unity feedback system whose open loop transfer (7)

function is G(s) = and when input is unit step.

5 (5+5)
0) Find the transfer function of the given system using block diagram reduction (8)

technique.

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