Anna University Coimbatore 2008 B.E Electrical and Electronics Engineering Control system QB unit 1 - exam paper

SUBJECT : CONTROL SYSTEMS SUB – CODE: EE 2253

UNIT – 1

Part A

1. What is Control System?
2. What is linear time invariant system?
3. provide the main classification of control systems?
4. What is open loop system? provide example.
5. What is closed loop system? provide example.
6. What do you mean by feedback in control systems?
7. elaborate the 2 kinds of feedback?
8. provide the advantages of negative feedback.
9. provide the advantages of closed loop system.
10. Defne transfer function.
11. elaborate the advantages of transfer function modeling of systems?
12. List out the components of a feedback control system.
13. What is an fault detector?
14. What is a synchro? elaborate its trade names?
15. Mention the applications of a synchro.
16. What do you mean by a servomechanism?
17. elaborate the steps to find mathematical model of a system?
18. What is thermal resistance?
19. elaborate analogous systems?
20. Compare open loop and closed loop systems.
21. Write down the force-voltage analogies of mechanical components in Electrical components.
22. Write down the force-current analogies of mechanical components in Electrical components.
23. elaborate the Electrical analogues of force and rotational damping in torque – voltage analogy?
24. What do you mean by block diagram representation?
25. provide the advantages of block diagram reduction.
26. Write any 2 rules for block diagram reduction.
27. Write Mason's gain formula?
28. elaborate the basic elements used for modeling mechanical translational system.
29. elaborate the basic elements used for modeling mechanical rotational system?
30. Name 2 kinds of electrical analogues for mechanical system.
31. What is a signal flow graph?
32. What is transmittance?

Earning:   Approval pending.