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Srinivasan Engineering College, Perambalur
Department Of Electronics and communication Engineering
Even Semester –
DATE: 18.12.
Course Handout
L T P C
3 0 0 3 Course No : EC 2255 Course Title : Control systems
Course Instructor : R.Rajesh
Instructor-in-charge : K.Vijaya kanth
COURSE OBJECTIVES
By studying the subject students will be able
, to understand open and closed loop control systems
, to understand time and frequency domain parameters/specifications and to get exposure to
stability analysis
, to get exposure to digital control systems
COURSE OUTCOME
Upon successful completion of this course, a student will be able to
, Analyze the fundamental concepts of Control systems and mathematical modeling
of the system
, Compare the concept of time response and frequency response of the system.
, Analyze the stability of the system
, Analyze the Transient & Steady State Performance of a system.
, Analyze whether the system is stable or not using various methods like Routh
Hurwitz criterion, Root Locus, Bode plot, Nyquist plot.
, Analysis of any type of control system with respect to system stability in time
domain as well as frequency domain.
, Design and analyze the systems in industrial control systems.
Text book(s) [TB]
[1] J Nagrath and M.Gopal,”Control systems Engineering”, New AGE International
Publishers, Fifth Edition, ,
[2] Gopal.M,”Control systems principles and design”, Tata Mc Graw Hill publication, second
edition,
Reference book(s) [RB]
[1] A.Nagoor Kani,”Control Systems Engineering”, RBA publications, First Edition,
FORMAT NO: FM02 /Issue: 01/Revision: 00
COURSE PLAN / SCHEDULE
S.No Topics to be covered Learning objectives Ref. to Text No. of
Book/Ref. lectures
book
UNIT-I-Control system Modeling
1 Basic elements of control Exposure to the principles PAGE NOS 2
systems, open and closed loop of control systems RB
systems 1.1 to1.5 2 Differential equations, Familiarizing control PAGE NOS 3
Transfer function, modeling of systems with inter RB
electrical systems, mechanical comparisons 1.5 to 1.49
translational and trans
rotational systems, analogies
3 Block diagram reduction Understanding the PAGE NOS 3
technique control system RB
simplification techniques 1.50 to 1.70
4 Signal flow graph technique Understanding the PAGE NOS 3
control system RB
simplification techniques 1.73 to 1.91
UNIT-II- Time response Analysis
5 Impulse and step response To understand time PAGE NOS 2
analysis-Time response of first response characteristics RB
order systems 2.1 to 2.9 6 Time response of second order To understand time PAGE NOS 3
systems response characteristics RB
2.9 to 2.32 7 Steady state errors Exposure to errors , error PAGE NOS 2
coefficients and the role RB
of type and order of 2.33 to 2.48
systems
8 P,PI, PD and PID Exposure to controllers , PAGE NOS 3
Compensators, Analysis using compensation techniques RB
MATLAB and MATLAB based 2.49 to 2.73
problem solving methods
UNIT-III - Frequency response Analysis
9 Frequency response Exposure to frequency PAGE NOS 2
domain specifications RB
3.1 to 3.8 10 Bode Plot, Polar plot and Exposure to frequency PAGE NOS 5
Nyquist plot and frequency response analysis-various RB
domain specification from approaches 3.9 to 3.65,
plots 4.26 to 4.54 11 Constant M and N circles PAGE NOS 1
Exposure to various RB
stability analysis 3.65 to 3.70
techniques, and 12 Nichol’s chart PAGE NOS 2
compensators RB
3.70 to 3.82 13 Series parallel and series-PAGE NOS 3
parallel compensators, lead RB
and lag compensators, analysis 5.1 to 5.94
using MATLAB
FORMAT NO: FM02 /Issue: 01/Revision: 00
UNIT-IV- Stability Analysis
14 Stability -concepts To understand the PAGE NOS 1
problems in stability and RB
conditions to be met out 4.1 to 4.8
for achieving stability.
15 Routh- Hurwitz criteria PAGE NOS 4
RB
To understand the various 4.8 to 4.26,
stability analysis
techniques 16 Root locus concept, dominant PAGE NOS 4
poles, application of root locus RB
diagram 4.60 to 4.100 17 Nyquist stability criterion-PAGE NOS 4
relative stability, Analysis RB4.26 to 4.54
using MATLAB
UNIT-V – State Variable analysis and Digital control system 18 State space representation of PAGE NOS 2
Continuous systems, State RB
equations 6.1 to 6.19
Transfer PAGE NOS 2
19 function from State Variable RB
Representation – Solutions of 6.20 to 6.64
the state equations
To get an exposure to
state variable analysis, Concepts of Controllability 2
sampled data control 20 and Observability PAGE NOS
systems and digital RB
control system concepts 6.57 to 6.66
21 State space representation for PAGE NOS 1
Discrete RB
time systems 6.66 to 6.80
22 Sampled Data control systems PAGE NOS 1
– Sampling Theorem RB
7.1 to 7.6
Sample & Hold circuits PAGE NOS 1 23 Open loop & Closed loop RB
sampled data systems 7.43 to 7.59
FORMAT NO: FM02 /Issue: 01/Revision: 00
EVALUATION SCHEME – INTERNAL ASSESSMENT
EC Evaluation Duration Weightage Date & Time Venue No. Components
Monday-Friday 1 Slip Tests 40 min 20% &
8.30am to 9.15am
27-01- To 01-02- 2 Cycle Test 1 1.30hr &
8.30am to 10.00am
17-02- To 24-02- 3 Cycle Test 2 1.30hr & 30%
8.30am to 10.00am
10-03- To 15-03- To be 4 Cycle Test 3 1.30hr & announced later 8.30am to 10.00am
05-04- To 11-04- 5 Model Exam 3hr 30% &
1.00pm to 4.00pm
Attendance
6 Continuous 20%
Percentage
LINKS:
Question Bank : .com
University Question Paper : .com
B.Karthiga Vijayakanth Rajesh
HOD Instructor-In-Charge Instructor
FORMAT NO: FM02 /Issue: 01/Revision: 00