EE353: Discrete Time Control Systems

To provide understanding of the use of signals and systems, digital signal processing and control systems so that students will be able to design and implement discrete time control systems.

NO. OF CREDITS: 3
COMPULSORY/OPTIONAL: COMPULSORY
PREREQUISITES: EE325, EE352, EE358

MAIN TOPICS AND INTENDED LEARNING OUTCOMES

TOPICS

Introduction to Discrete Time Control Systems

Stability of Discrete Time Control Systems

Continuous time approximations of controllers

Discretization of analog controllers

Discretization of Control Systems

Direct digital controller design

State-space design methods

State observers

Practical Issues (Controller Implementation and Computational Delay, Controller Representation and Numerical Round-off, AD and DA Quantization)

Student will be able to,

ILO1: Define Computer Controlled Systems (CCS) using difference equations and analyze performance and stability.

ILO2: Approximate continuous time systems using Forward Euler, Backward Euler and Tustin’s method and calculate required sampling period.

ILO3: Design digital controllers to meet time and frequency domain specifications using P, PI, PD and PID, state feedback, pole placement and pole-zero cancellation methods and implement.

ILO4: Examine controllability, reachability, observability and detectability and design and implement State Observers.

ILO5:Evaluate the impact of noise and design and implement Kalman filters for noisy systems.

NO	RECOMMENDED TEXT
1	Katsuhiko Ogata, Discrete-Time Control Systems (2nd Edition)
2	Karl J Åström, Björn Wittenmark, Computer-Controlled Systems: Theory and Design, (Third Edition)

TIME ALLOCATION	HOURS
Lectures	30
Tutorials	8
Assignments/Mini Project	5
Laboratories	9

ASSESMENT	PERCENTAGE
Assignment	10
Laboratory Work	20
MID Semester Evaluation	20
END Semester Exam	50