System Modeling and Control

Teacher

Dr. Amit Kumar Sahoo

Category

Core Courses

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Course Name : System Modeling and Control

 

Code(Credit) : CUTM1053 (3-1-0) 4

 

Course Objectives

  • To teach how to convert a physical systems consist of mechanical and electrical system into a mathematical model.
  • Analysis of a live system in time domain and frequency domain and  application of controllers to get the desired response leon bet online.

Course Outcomes

COs Course outcomes Mapping COs with POs (High-3, Medium-2, Low-1)
CO1 Able to gain Knowledge on action of controller and its application to control a
system
PO1 ( 3),
CO2 Able to analyze the system and controller PO2(3), PO5(2)
CO3 Acquire skill of designing automatic control system and controller for a particular
application.
PO3(3)

Course Syllabus

Module I: Introduction (6 Hours)
Theory
Introduction to Control Systems: Basic Concepts of Control Systems, Open loop and closed loop systems; Servomechanisms, Laplace transform and Transfer functions using Laplace transform, Concept of Pole and Zero.

Practice: Hardware/MATLAB
1. Study of Temperature control system using open loop and closed loop control circuit.
2. Using MATLAB, find the poles, zeros, gain and draw the pole-zero plot of the transfer function.

 

Module II: System Dynamics (10 Hours)
Theory
Mathematical Models of Physical Systems: Differential Equations of Physical Systems, Mechanical Translational Systems, Rotational systems, Electrical Systems, Analogy between Mechanical and electrical quantities, Derivation of Transfer functions, Block Diagram Algebra, Signal Flow Graphs and Mason’s Gain Formula.

Practice: MATLAB
3. Using MATLAB, find the transfer function from given block diagram.

 

Module III: Time Response Analysis (8 Hours)
Theory
Time Response Analysis: Type Test Signals, Time response of first order systems to unit step and unit ramp inputs, Time Response of Second order systems to unit step input, Time Response specifications, Steady State Errors and Static Error Constants of different types of systems.

Practice: MATLAB/DYMOLA
4. Standard Test Signals
5. Time response of first order systems to unit step and unit ramp inputs
6. Time Response of Second order systems to unit step input
7. Using MATLAB, determine the steady state error of the given system.

 

Module IV: Stability in Time Domain (4 Hours)
Theory
Stability in Time Domain: Stability and Algebraic Criteria, concept of stability, Necessary conditions of stability, Hurwitz stability criterion, Routh stability criterion and Application of the Routh stability criterion to linear feedback system.

 

Module V: Root Locus Technique (5 Hours)
Theory
Root Locus Technique: Root locus concepts, Rules of Construction of Root locus and Determination of Roots from Root locus for a specified open loop gain.

Practice: MATLAB
8. Construct the root locus for 2nd & 3rd order system and analyze its stability (Gain)

 

Module VI: Frequency Response Analysis (6 Hours)
Theory
Frequency Response Analysis: Frequency domain specifications, correlation between Time and Frequency Response with respect to second order system, Bode plot, Determination of Gain Margin and Phase Margin from Bode plot.

Practice: MATLAB
9. Construct the bode plot for 2nd and 3rd order system and analyze its stability (PM & GM)

 

Module VII: Controllers (4 Hours)
Theory
Controllers: Concept of Proportional, Derivative and Integral Control actions, P, PD, PI and PID controllers.

Practice: MATLAB/DYMOLA
10. Design of P,PD, PI and PID Controller for 2ndor 3rdorder system

 

Text Books:
1. Saeed S. Hasan, “Automatic Control Systems,”Kataria Publication, 9th Edition-2017.

Reference Books:
1. Nagrath J. and Gopal M., “Control Systems Engineering,” New Age International Publishers, 6th Edition-2017.

Session Plan

Session 1

Introduction to Control System: Basic Concepts of Control Systems

PPT:  Introduction to Control System

Video: https://www.youtube.com/watch?v=f32SDx3C6sA

Introduction to Control System: Basic Concepts of Control Systems

PPT:  Introduction to Control System

Video: https://www.youtube.com/watch?v=f32SDx3C6sA

Session 2

Open loop and closed loop systems, Servomechanisms

module1_session2

Video: https://www.youtube.com/watch?v=FurC2unHeXI

Session 4

Transfer functions, Concept of Pole and Zero

PPT: Transfer Function

https://www.youtube.com/watch?v=20UH_CJJbvE

Session 5

Practice: Study of Temperature control system (using Hardware)

https://www.youtube.com/watch?v=bZNKURutM3g

Session 6

Practice: Find the poles, zeros, gain and draw the pole-zero plot of the transfer function (using MATLAB)

https://www.youtube.com/watch?v=3pvntT0Sdr8

Session 7

Mathematical Models of Physical Systems & Differential equations

PPT: Mathematical Models of Physical Systems

https://www.youtube.com/watch?v=r8vfbfjJAmU&list=PLBlnK6fEyqRjJX8dN7-tHsDePtmTsRkYE

Session 8

Mechanical Systems: Translational Systems, Rotational systems

session8

https://www.youtube.com/watch?v=glUrzUxbepE

Session 9

Electrical Systems: Resistance,Inductance,Capacitance,R-L-C Series & Parallel circuit

Electrical Systems Resistance,Inductance,Capacitance,R-L-C Series & Parallel circuit

https://www.youtube.com/watch?v=01hhrkDa6ZE

Session 10

Analogy between Mechanical & Electrical Quantities: Force-Voltage analogy,Force-Current analogy

session 10

https://www.youtube.com/watch?v=RUwQkXroaig

Session 11

Derivation of Transfer Functions(TF): Definition,Advantages,Disadvantages,Procedure,Terminology

session 11

https://www.youtube.com/watch?v=WrVk_lT60dk

Session 12

Block Diagram Algebra: Definition,Block diagram reduction techniques

PPT: Block Diagram

https://www.youtube.com/watch?v=t_k7oRICmWo

Session 13

Signal Flow Graph(SFG): Definition,Properties,Terminology,Methods to obtain SFG

PPT: Signal Flow Graph

https://www.youtube.com/watch?v=vr4Hc0SNghQ

Session 14

Application of Mason's Gain Formula

session 14

https://www.youtube.com/watch?v=8LhzZW7g5HQ

Session 15

Practice: Find the transfer function from given block diagram (using MATLAB)

https://www.youtube.com/watch?v=viVu50wYESY

Session 16

Time Response Analysis: Basic Concepts,Standard Test Signals(Step,Ramp,Parabolic,Impulse)

PPT: Time Response Analysis

Video: https://www.youtube.com/watch?v=5B597TNBmrs

Session 17

Time Response of First order systems to unit step & unit ramp inputs: Derivation of Error and Output

session 17

https://www.youtube.com/watch?v=AnB6VR-g6PI

Session 18

Time Response of Second order system to unit step input : Derivation of output for Under damped,Over damped ,Critically damped cases

session18

https://www.youtube.com/watch?v=6wzGCM_EJgU

Session 19

Time Response specifications: Delay time,Rise time,Peak time,Maximum overshoot,Settling time

PPT: Time Response Specification

https://www.youtube.com/watch?v=09KiUkzR2nA

Session 20

Steady State Errors and Static Error Constants: Derivation,Static Error Constants of different types of systems

PPT: Steady State Error

https://www.youtube.com/watch?v=_p6w7oztrwQ

Session 21

Practice: Time response of first order systems to unit step and unit ramp inputs (using MATLAB/DYMOLA)

https://www.youtube.com/watch?v=vhwwro2Pg8Y

Session 22

Practice: Time Response of Second order systems to unit step input  (using MATLAB/DYMOLA)

https://www.youtube.com/watch?v=RfjQeS7sOWk

Session 23

Practice: Determine the steady state error of the given system (using MATLAB)

https://www.youtube.com/watch?v=smYnPJLwQjI

Session 24

Stability and Algebraic Criteria: Definitions,Concept,condition,Hurwitz Stability Criterion

PPT: Stability in Time Domain

https://www.youtube.com/watch?v=cyannwIgg1E

Session 25

Stability and Algebraic Criteria : Routh Array,two-Special Cases

session25

https://www.youtube.com/watch?v=yg1ZJccfoQE

Session 26

Application of the Routh's stability criterion to linear feedback system

session 26

https://www.youtube.com/watch?v=nzZ19jKm-jk&list=PLBlnK6fEyqRgyaWjvSyL5A3ozNcg8_ziw

Session 27

Root Locus Techniques: Definition,Conditions

https://www.youtube.com/watch?v=4cMHfTsPz3M&list=PLgwJf8NK-2e78NzXFirvPmyRzH_JE53tW

Session 28

Steps to draw Root Locus

session28

https://www.youtube.com/watch?v=iR1A4vnops0

Session 29

Construction of Root Locus

session29

https://www.youtube.com/watch?v=4cMHfTsPz3M&list=PLgwJf8NK-2e78NzXFirvPmyRzH_JE53tW

Session 30

Determination of roots From Root Locus For a specified open loop gain

session30

https://www.youtube.com/watch?v=SxmS7C2ppbA

Session 31

Practice: Construct the root locus for 2nd & 3rd order system and analyze its stability (Gain) (using MATLAB)

https://www.youtube.com/watch?v=6-TDhsCUIZA

Session 32

Frequency Response Analysis: Definition,Frequency domain specifications

https://www.youtube.com/watch?v=Rvyus824Gfs

Session 33

Derivation of Resonant peak and Bandwidth

session33

https://www.youtube.com/watch?v=tA22gi0DrVg

 

Session 34

correlation between Time and Frequency Response with respect to second order system

https://www.youtube.com/watch?v=KKHsh-KohJE

Session 35 & 36

Session 37

Determination of G.M & P.M

session 37

https://www.youtube.com/watch?v=b3mqnNPmeE8

Session 38

Practice: Construct the bode plot for 2nd and 3rd order system and analyze its stability (PM & GM) (using MATLAB)

https://www.youtube.com/watch?v=6Zl_B4AcmRM

Session 39

Controllers: Concept of Proportional, Derivative and Integral Control actions

Session 40

Session 41 & 42

Practice: Design of P,PD, PI and PID Controller for 2nd or 3rd order system (using MATLAB/DYMOLA)

https://www.youtube.com/watch?v=O0MORdtWG6M

Case Studies

Case Studies

Our Main Teachers

Dr. Amit Kumar Sahoo

Associate Professor in EEE
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          Amit Kumar Sahoo has completed his PhD in 2021 from Birla Institute of Technology, Mesra, India. In 2010, he has completed his Master’s degree in Electrical & Electronics Engineering from National Institute of Technology, Rourkela, India with Power System and Control specialization. He is presently working as an Associate Professor […]