Note for Control System Engineering - CSE By Amity Kumar

Topics ( 9 )

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Control Systems 10ES43 CONTROL SYSTEMS (Common to EC/TC/EE/IT/BM/ML) Sub Code: 10ES43 Hrs/ Week: 04 Total Hrs: 52 IA Marks : 25 Exam Hours : 03 Marks : 100 UNIT 1: Modeling of Systems: Introduction to Control Systems, Types of Control Systems, Effect of Feedback Systems, Differential equation of Physical Systems -Mechanical systems, Friction, Translational systems (Mechanical accelerometer, systems excluded), Rotational systems, Gear trains, Electrical systems, Analogous systems. 7 Hrs UNIT 2: Block diagrams and signal flow graphs: Transfer functions, Block diagram algebra, Signal Flow graphs (State variable formulation excluded), 6 Hrs UNIT 3: Time Response of feedback control systems: Standard test signals, Unit step response of First and second order systems, Time response specifications, Time response specifications of second order systems, steady123– state errors and error constants. Introduction to PID Controllers (excluding design) 7 Hrs UNIT 4: Stability analysis: Concepts of stability, Necessary conditions for Stability, Routh- stability criterion, Relative stability analysis; more on the Routh stability criterion. 6 Hrs UNIT 5: Root–Locus Techniques: Introduction, The root locus concepts,Construction of root loci 6 Hrs UNIT 6: Frequency domain analysis: Correlation between time and frequency response, Bode plots, Experimental determination of transfer functions, Assessment of relative stability using Bode Plots. Introduction to lead, lag and lead-lag compensating networks (excluding design). 7 Hrs UNIT 7: Stability in the frequency domain: Introduction to Polar Plots, (Inverse Polar Plots excluded) Mathematical preliminaries, Nyquist Stability criterion, Assessment of relative stability using Nyquist criterion, (Systems with transportation lag excluded). 7 Hrs UNIT 8: Introduction to State variable analysis: Concepts of state, state variable and state models for electrical systems, Solution of state equations. 6 Hrs ECE/SJBIT Page 1

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Control Systems 10ES43 TEXT BOOK : 1. J. Nagarath and M.Gopal, ―Control Systems Engineering‖, New Age International (P) Limited, Publishers, Fourth edition – 2005 REFERENCE BOOKS: 1. “Modern Control Engineering “, K. Ogata, Pearson Education Asia/ PHI, 4th Edition, 2002. 2. “Automatic Control Systems”, Benjamin C. Kuo, John Wiley India Pvt. Ltd., 8th Edition, 2008. 3. “Feedback and Control System”, Joseph J Distefano III et al., Schaum‘s Outlines, TMH, 2nd Edition 2007. ECE/SJBIT Page 2

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Control Systems 10ES43 INDEX SHEET SL.NO TOPIC PAGE No. 5-26 I 1.1 1.2 1.3 1.4 1.5 1.6 UNIT 1:Modeling of Systems Introduction to Control Systems, Types of Control Systems Effect of Feedback Systems Differential equation of Physical Systems -Mechanical systems, Friction Translational systems (Mechanical accelerometer, systems excluded) Rotational systems , Gear trains Electrical systems, Analogous systems II UNIT–2 : Block diagrams and signal flow graphs 2.1 2.2 2.3 Transfer functions Block diagram algebra Signal Flow graphs (State variable formulation excluded) III UNIT – 3 :Time Response of feedback control systems 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Standard test signals Unit step response of first order systems Unit step response of second order systems Time response specifications Time response specifications of second order systems steady23 – state errors and error constants) Introduction to PID Controllers (excluding design) IV UNIT – 4 : Stability analysis 4.1 4.2 4.3 Concepts of stability, Necessary conditions for Stability Routh- stability criterion Relative stability analysis; More on the Routh stability criterion. V UNIT – 5 : Root–Locus Techniques 5.1 5.2 VI 6.1 6.2 6.3 6.4 VII Introduction, The root locus concepts Construction of root loci (problems) 140-175 UNIT – 6 : Frequency domain analysis Correlation between time and frequency response Bode plots Experimental determination of transfer functions Assessment of relative stability using Bode Plots Introduction to lead, lag and lead-lag compensating networks (excluding design) 176-188 UNIT – 7 : Stability in the frequency domain 7.1 Introduction to Polar Plots,(Inverse Polar Plots excluded) 6.5 ECE/SJBIT 27-47 48-90 91-116 117-139 Page 3

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Control Systems 7.2 7.3 7.4 VIII 8.1 8.2 8.3 10ES43 Mathematical preliminaries Nyquist Stability criterion Assessment of relative stability using Nyquist criterion, (Systems with transportation lag excluded) 189-208 UNIT – 8 : Introduction to State variable analysis Concepts of state, state variable Concepts of state models for electrical systems Solution of state equations ECE/SJBIT Page 4