This document provides information about the course "Introduction to Control Engineering" offered at Madda Walabu University. The course is worth 5 ECTS credits and consists of 2 hours of lectures and 3 hours of tutorials per week. The course aims to help students develop skills in modeling, analyzing, and designing linear dynamic control systems using tools like the Laplace transform, block diagrams, root locus analysis, and frequency response methods. The course outline covers topics such as closed-loop control systems, mathematical modeling, time and frequency domain analysis, stability criteria, and controller design techniques including lead-lag compensation. Student performance will be evaluated through assignments, quizzes, tests, and a final exam.

1. MADDA WALABU UNIVERSITY
COLLEGE OF ENGINEERING
DEP’T OF ELELCTRICAL AND COMPUTER ENGINEERING
Course Title and Code: Introduction to Control Engineering (ECEG 3192)
ECTS: 5 CP Credits: 3 hrs. Prerequisite(s): ECEG 2112
Instructor’s Name: Lencho Duguma Program: Undergraduate
Department: ECE Enrollment: Extension (wakana)
Contact Hours (per week): 2Lec+3Tut+5H.S
Course Description
Transfer function and graphical representation of linear systems, time domain analysis, frequency
domain analysis, root-locus, and controller design
Course Objectives
At the end of the course students will be able to:
 Add to their knowledge-base in the fundamentals of electrical Engineering modeling and
design.
 Develop basic skills of utilizing mathematical tools needed to analyze and design classical
linear dynamic control systems.
 Get real-world experience in control systems problems, design, and implementation.
Course Outline
1. Introduction of Control Systems
1.1. Introduction
1.2. Closed-Loop Control Versus open-Loop Control
1.3. Design control system
2. The Laplace Transform
2.1. Introduction
2.2. Laplace Transformation Theorems
2.3. Inverse Laplace Transformation
2.4. Solving Linear, Time –invariant, Differential Equation
3. Mathematical Modeling of Dynamic System
3.1. Introduction
3.2. Transfer Function and Impulse-Response Function
3.3. Block Diagrams of Mechanical, Electrical, Liquid –level and thermal Systems
3.4. Signal Flow graph
4. Time –Domain Analysis:
4.1. Introduction
4.2. First- Order System

2. 4.3. Second Order System
4.4. Transient –Response Analysis
4.5. Effects of Integral and Derivatives Control Actions on system performance
4.6. Steady state errors
4.7. Higher-Order systems
4.8. Routh’s Stability criterion
5. Root –Locus Analysis
5.1. Introduction
5.2. Root-Locus Plots
5.3. General Rules for Constructing Root Loci
5.4. Roots Locus Analysis of Control system
5.5. Root –Contour plots
6. Frequency Response:
6.1. Introduction
6.2. Bode Diagrams, Polar plots
6.3. Nyquist Stability Criterion
6.4. Stability Analysis
6.5. Relative stability
6.6. Closed –Loop Frequency Response
6.7. Nichols chart
7. Design of Controllers
7.1. Root locus method
7.1.1.Phase-lead compensation
7.1.2.Phase-lag compensation
7.1.3.Lead-lag compensation
7.2. Frequency response method
7.2.1.Phase-lead compensation
7.2.2.Phase-lag compensation
7.2.3.Lead-lag compensation
Teaching & Learning Methods: Lecture supported by assignment and laboratory exercises
Assessment
 Assignment 1&2 (20%) Chapter Quizzes (5%);
 Tests (25%); Final Examination (50%)
Attendance Requirements: minimum 85% lecture attendance and 100%.during lab.
Reference
1. Katsuhiko Ogata: Modern Control engineering (4th Edition), Prentice Hall; 4 edition (2001).
2. Norman S. Nise: Control Systems Engineering, John Wiley & Sons; 4th Edition Aug 19, 2003.
3. Azzo and Houpis: Feedback Control system analysis and synthesis, 2002.
4. Nagrath and Gopal: Control System Engineering, 2001.
5. R.Rao: Process Control Engineering: A Textbook for Chemical, Mechanical and Electrical Engineers