B.E-B.E Aeronautical Engineering Control Engineering(Sathyabama University, Chennai, Tamil Nadu-2010)
Friday, 23 August 2013 02:09Duraimani
(Established under section 3 of UGC Act,1956)
Course & Branch :B.E - AERO
Title of the Paper :Control Engineering Max. Marks :80
Sub. Code :526505/626504 Time : 3 Hours
Date :28/04/2010 Session :AN
PART - A (10 x 2 = 20)
Answer ALL the Questions
1. What do you mean by servomechanism?
2. What are the following points to serve as guide lines to obtain electrical analogous of mechanical systems based on force-current analogy.
3. Give the difference between the open and closed loop system.
4. Define transmittance of signal flow graph.
5. What are the steady state errors?
6. Define step signal.
7. What is frequency response?
8. Define Bandwidth.
9. What iare the advantages of PD controllers?
10. What do you mean by digital controllers?
PART – B (5 x 12 = 60)
Answer All the Questions
11. Derive the Transfer Function of Armature controlled DC motor.
(or)
12. Write the equations of the thermal system and deduce the transfer function of the system.
13. What do you mean by block diagrams in the control systems, and give their rules.
(or)
14. What do you mean by signal flow graph and explain the rules with the Manson’s gain formula.
15. What do you mean by steady state error constants? Explain with unit step signal and unit ramp signal.
(or)
16. What do you mean by order of a system? Deduce the expression for the first order system for unit step input.
17. What are the frequency domain specifications of a system? Explain in detail.
(or)
18. Sketch the bode plot for the following transfer function and determine phase and gain margin (S)=75(1+0.2s)/s(s2+16s+100).
19. Explain briefly about the Digital PID controllers in detail.
(or)
20. Explain briefly about the Digital Controllers in detail.
| Earning: ₹ 3.10/- |
