AE6505 : Control Engineering Important Questions, Part A, Part B, Solved Question Papers, Question Bank Download Link

University:  Anna University

Department: Aeronautical Engineering

Semester: 05

Year: 03

Regulation: R2013

Subject Code: AE6505

Subject Name: Control Engineering

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AE6505: Control Engineering Important Questions, Part A, Part B, Solved Question Papers, Question Bank Download Link

1.Compareelectrical systems with mechanical systems (analogous). (16)

2.Compare open loop and closed loop systems. (16)

3.With a block diagram explain the concept of flight control systems. (16)

4.Write the differential equations governing the Mechanical system shownin fig
.anddeterminethe transfer function. (16)

5.Determine the transfer fund|on Y2(S)/F(S) of the system shown in fig.

6.Obtainthe closed loop transfer function C(S)/RCS) of the system whose block diagram
isshownin fig. (16)

7.For the system represented by the block diagram shown in fig. Determine
CI/Bland C2/Rl.(16)

8.Obtain the closed loop transfer funcNon C(S)/RCS) of the system whose block
diagram isshownin fig. (16)

9.Find the overall gain of the system whose signal Dow graph is shown in fig.
(16)

10.raw a signal flow graph and evaluate the closed loop transfer function of a
system whoseblockis shownirlfig,

11.(a)Derive the expressions and draw the response of first order system for unit
step input. (8)

(b)Draw the response of second order system for critically damped case and when
input is unitstep.(8)

12.Derive the expressions for Rise time, Peak time, and Peak overshoot. (16)

13.A potential control system with velocity feedback is shown in fig. What is the
Response of thesystemfor unit step input?

14.For a unity feedback control system the open loop transfer fund|on
G(S)= 10(S+2)/ {S2 (S+1)}. Find (a) position, velocity and acceleration error
constants.
(b)The steady state error when the input is RCS) where RCS) =3/S -2/S2 +1/353

15.The open loop transfer function of a servo system with unity feedback system is
G(S)= 10/ S (0.IS+1).Evaluate the static error constants of the system. Obtain the
steady stateerrorof the system when subjected to an input given by the polynomialr(t) = aO +alt
+a2 /2 t2 .

16.Plot the Bode diagram for the following transfer function and obtain the gain
and phase crossoverfrequencies. G(S) = 10/ S(1+0.4S) (1+0.IS) (16)

17.The open loop transfer function of a unity feedback system is
G(S)= 1/ S(1+S)(1+2S) Sketch the Bode plot and determine the Gain margin and Phase
margin. (16)

18.Sketch the Bode plot and hence find Gain cross over frequency, Phase cross over
frequency,Gainmargin and Phase margin(S) = 0.75(1+0.2S)/ S (1+0.5S) (1+0.IS) (16)

19.Sketch the Bode plot and hence find Gain cross over frequency, Phase cross over
frequency,Gainmargin and Phase margin. G(S) = 10(S+3)/ S(S+2) (S2+4S+100)(16)

20.Sketch the Bode plot for the following transfer function .and And Gain cross
over frequency,Phasecross over frequency, Gain margin and Phase margin

21.Compareanalog control system with digital control syRems. (16)

22.Explain sampling theorem brieNy and sample & hold operation. (16)

23.Explain stability analysis of sampled control system and Jury’s stability. (16)

24.Explain Digital controllers with a Hen block diagram . (16

2S.Explain with a neat diagram digitalPfJfD controllers.

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