EE2253 Control Systems May June 2014 Question Paper

Question Paper Code ; 51437 
Fourth Semester 
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 
Instrümentation 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. 
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 frequencf. 
6.What is a sconstant 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. 

Full Name :Arumugam.P
College Name :SNS College of technology
Department :EEE
Semester :04
Subject Code :EE2253
Subject Name :Control Systems
Study Material Description :aaru edition 2014 QP

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    EE2253 Control Systems May June 2014 Question Paper