Friday, October 28, 2016

EE2253 Control Systems May June 2014 Question Paper

Anna University Chennai
Question Paper Code ; 51437
Fifth Semester in R-2013 / Fourth Semester in R-2008
Electrical and Electronics Engineering
EE 2253/EE 44/EE 1253 A080280033/10133 IC 401 — CONTROL SYSTEMS
(Common to Instrumentation and Control Engineering and Electronics and Instrumentation Engineering)
(Regulation 2008/2010)
(Common to PTEE 2253 — Control Systems for B.E. (Part-Time) Third Semester — Electronics and Instrumentation Engineering Regulation 2009)
Time . Three hours
Maximum : 100 marks
Note : Polar plot to be issued.

Important Note: New Subject Code of the Question Paper in R-2013 is IC6501
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Answer ALL questions.
PART A — (10 x 2 20 marks)
1. List the major advantages and disadvantages.of open-loop control systems.
2. What. are the applications of synchros?
3. What are the standard test signals used in control systems?
4. What is the effect of PD controller on the performance of a system?
5. Define the terms: ' resonant peak, and 'resonant frequency.
6. What is a constant M circle?
7. How are the lochtions of roots of characteristic equation related to stability?
8. State the Nyquist stability criterion.
9. What is the necessity of compensation in feedback control system?
10. Write the transfer function of lag-lead compensator.


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