IC3451 Syllabus - Automatic Control Systems - 2021 Regulation Anna University

IC3451 Syllabus - Automatic Control Systems - 2021 Regulation Anna University

IC3451

AUTOMATIC CONTROL SYSTEMS

 LTPC

3104

COURSE OBJECTIVES:
• To introduce the control system components and transfer function model with their graphical representation.
• To understand the analysis of system in time domain along with steady state error.
• To introduce frequency response analysis of systems.
• To accord basic knowledge in design of compensators.
• To introduce the state space models.

UNIT I

SYSTEMS COMPONENTS AND THEIR REPRESENTATION (11+1 SKILL)

12

Control System: Terminology and Basic Structure- Feed forward and Feedback control theory- Electrical and Mechanical Transfer Function Models-Block diagram Models-Signal flow graphs models-DC and AC servo Systems-Synchro.

UNIT II

TIME RESPONSE ANALYSIS (11+1 SKILL)

12

Transient response-steady state response-Measure of performance of the standard first order and second order system-Time domain specifications -Effect on an additional zero and an additional pole-Steady state error - Type number-PID control-Effect of PD, PI, PID control systems.


UNIT III

FREQUENCY RESPONSE ANDSYSTEM ANALYSIS (11+1 SKILL)

12

Closed loop frequency Response-Performance specification in frequency domain - Bode Plot – Polar Plot- Design of compensators using Bode plots - Cascade lead compensation - Cascade lag compensation- Cascade lag-lead compensation.

UNIT IV

CONCEPTSOFSTABILITYANALYSIS (11+1 SKILL)

12

Concept of Stability-Bounded – Input Bounded – Output Bounded-Routh Hurwitz stability Criterion- Relative Stability-Root locus concept-Guidelines for sketching root locus - Nyquist stability criterion.

UNIT V

CONTROL SYSTEM ANALYSIS USING STATE VARIABLE METHOD(11+1SKILL)

12

State variable Representation-Conversion of state variable models to transfer Functions- Conversion of transfer functions to state variable Models-Solution of state Equations-Concepts of Controllability and Observability -Equivalence between transfer function and state variable representations.

TOTAL60 PERIODS

COURSE OUTCOMES:: Upon completion of the course, students will be able to
CO1 To represent and develop systems in different forms using the knowledge gained (L5).
CO2 To analyses the system in time and frequency domain (L4).
CO3 To discuss the effect of PID controller in closed loop systems (L2).
CO4 To construct compensator for the linear systems in frequency domain.(L5)
CO5 To analyses the stability of physical systems(L4). CO6 To acquire and analyses knowledge in State variable model for MIMO systems(L4)

TEXT BOOKS:
1. Nagarath, I.J. and Gopal, M., “Control Systems Engineering”, New Age International Publishers,2017.
2. Benjamin C. Kuo, “Automatic Control Systems”, Wiley, 2014

REFERENCES:
1. Katsuhiko Ogata, “Modern Control Engineering”, Pearson, 2015.
2. Richard C. Dorf and Bishop, R.H., “Modern Control Systems”, Pearson Education,2009.
3. John J.D., Azzo Constantine, H. and HoupisSttuart, N Sheldon, “Linear Control System Analysis and Design with MATLAB”, CRC Taylor & Francis Reprint 2009.
4. RamesC.Panda and T. Thyagarajan, “An Introduction to Process Modelling Identification and Control of Engineers”, Narosa Publishing House, 2017.
5. M. Gopal, “Control System: Principle and design”, McGraw Hill Education, 2012. 6. NPTEL Video Lecture Notes on “Control Engineering “by Prof. S. D. Agashe, IIT Bombay.

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