ECE210
Control Systems Engineering
Version No.:
1.00
Prerequisite:
MAT105 Differential And Difference Equations, ECE102 Fundamentals of Electrical Engineering
L T P C 3 0 0 3
Objectives: • To present a clear exposition of the classical methods of control engineering, physical system modeling, and basic principles of frequency and time domain design techniques. • To teach the practical control system design with realistic system specifications. • To provide knowledge of state variable models and fundamental notions of state feedback design. Expected Outcome: 1. Calculate the transfer function from the block diagram 2. Determine the stability of linear systems 3. Design PID controllers from design specifications 4. Apply frequency domain methods to determine stability 5. Formulate state-space models Unit I Systems and their representations Basic elements in control systems – open loop & closed loop – Transfer functions of mechanical, electrical, thermal and analogous systems. Block diagram reduction – and signal flow graphs. Control System Components: DC Servo motor – AC Servo Motor- Synchro – Stepper motor. Unit II Time Response Analysis Time response – Time domain specifications – Types of test inputs – I and II order system response – Steady state error, error constants, generalized error coefficient – Introduction to P, PI, PID controllers – Stability – Concept and definition, Characteristic equation – Location of poles – Routh Hurwitz criterion – Root locus techniques: construction. Unit III Frequency Response Analysis and Design Bode plots – Polar plot – Nyquist stability criterion – Correlation between frequency domain and time domain specifications – stability analysis using frequency response methods. Unit IV Compensator and Controller Design Realization of basic compensators, cascade compensation in time domain and frequency domain, feedback compensation – Design of lag, lead, lag-lead series compensator (using Bode plot) – Design of P, PI and PID controllers in frequency domain. Unit V State-Space Analysis State equation – Solutions – Realization – Controllability – Observability – State space to transfer function conversion – Pole placement. Textbooks 1. Norman S. Nise, “Control System Engg”, John Wiley & Sons, 4th Edition, 2004.
Proceedings of the 29th Academic Council [26.4.2013]
334
Reference Books: 1. Smarajit Ghosh, “Control System (Theory and Applications)”, Pearson Education, 2005. 2. Graham C. Goodwin, Stefan F.Graebe, Mario E. Sagado, “Control System Design”, Phi, 2003. 3. M. Gopal, “Digital Control and State Variable Methods”, Tata McGraw Hill, 2003. 4. Rao V Dukkipatti, “Control Systems”, Narosa Publications, 2005. 5. I.J. Nagarth and M. Gopal, “Control Systems Engineering”, New Age International, 3rd Edition, 2004. 6. M. Gopal, “Control Systems-Principles and Design”, Tata McGraw Hill-3rd Edition. 2002. 7. K. Ogata, “Modern Control Engineering”, Pearson Edition-4th Edition, 2005. Mode of Evaluation:
CAT- I & II, Quizzes, Assignments/ other tests, Term End Examination.
Proceedings of the 29th Academic Council [26.4.2013]
335
