IE 406 – DIGITAL CONTROL
Teaching scheme Examination Scheme
Lectures: 3 hrs/week Mid- Sem Test– 30 marks,
Assignments and Quizzes- 20 marks,
End Sem Exam - 50 marks
OBJECTIVES:
After completion of this course students should:
1. Able to design a discrete control for a continuous system.
2. Able to analyze and simulate SISO system.
Unit 1:
Configuration of basic digital control system, discrete transfer function, discrete model sampled data systems using z- transform, transfer function model, signal analysis and dynamic response, zero-order hold equivalent, introduction to first-order-hold equivalent, transformation between ‘s’, ‘z’, ‘w’ plane, Stability analysis and Jury’s stability criterion. [07 hrs]
Unit 2:
Design using transform techniques: Root locus and frequency domain analysis compensator design. [08 hrs]
Unit 3:
Control system analysis using state variable method, vector and matrices, state variable representation, conversion of state variable to transfer function and vice versa, conversion of transfer function to canonical state variable models, realization using companion-I and II, Jordan canonical form, solution of state equations. [08 hrs]
Unit 4:
Design using state-space methods: controllability and observability, control law design, pole placement, pole placement design using computer aided control system design (CACSD), observer design. [07 hrs]
Unit 5:
Stability improvement by state feedback, digital controller for deadbeat performance.
[06 hrs]
Unit 6:
Case study: Design of different digital control system design with CACSD.
[06 hrs]
Text Books
- K. Ogata; Discrete Control Systems
- M. Gopal; Digital Control Engineering
Reference Books
- Digital Control Systems vol. I & II - Isermann, Narosa publications
- Digital Control System- B. C. Kuo
- Designing Linear and Non linear Control Systems with MATLAB-K. Ogata PHI . MATLAB curriculum series.