ECE 421

Classical Systems and Control Theory
Spring 2002

Class Time: Tuesday and Thursday, 10:30 - 11:45 a.m., Robinson, 
Room B202, Dr. Beale
Graduate Teaching Assistant: Marek Hejmo
Office Hours: Thursday, 8:30 - 10:30 a.m., Sci. & Tech. I, Room 2G and Thursday, 2:30 - 4:30 p.m., Sci. & Tech. I, Room 2G.

Prerequisites: Grade of C or better in ECE 360/220 or POI
Text: Modern Control Engineering, 4th Edition, K. Ogata, Prentice Hall, 2002, Chapters 1, 3, 5 - 9

Homework Assignments


Design Project




Important Dates

Course Outline


Learn the purposes, advantages and disadvantages, terminology, and configurations of feedback control systems.
Learn ways of classifying, measuring, and analyzing the stability and performance properties of feedback control systems.
Learn various classical frequency domain and time domain techniques for designing compensators in order to improve performance in feedback systems.

Prerequisites by topic:

Knowledge of Fourier and Laplace transforms.
Ability to develop transfer functions for linear electrical circuits.
Knowledge of relationship between system poles and time- domain performance.
Knowledge of the concept of system frequency response.

Course Requirements:

Important Dates:

Test 1 -- Tuesday, February 19 -- Chapters 1, 3, and 5 (Sections 5.1. 5.2, 5.3)
Test 2 -- Tuesday, March 26 -- Chapters 5 (Sections 5.4, 5.7, 5.8, 5.9) and 6
Final Exam -- Thursday, May 9, 10:30 a.m. - 1:15 p.m. -- Comprehensive, with Chapters 7, 8, 9 emphasized
Last day to drop classes without Dean's permission -- February 22.
No classes in the week March 10 - 17 due to SPRING BREAK!!!

Tentative Course Outline:

Chapter 1 -- Introduction, what control systems are, types of control systems, examples of control systems, what feedback is and why it is used - 1 class period.

Chapter 3 -- Block diagrams and their manipulation, signal flow graphs, Mason's gain formula - 3 class periods.

Chapter 5 -- Transient analysis for systems, model and characteristics of first-order systems, model and characteristics of second-order systems, effects of control actions on system performance, stability analysis with the Routh array, steady-state errors in systems - 7 class periods.

Chapter 6 -- Closed-loop poles and their movement, concept of the root locus magnitude and phase criteria, constructing the root locus plot, properties of the root locus - 3 class periods.

Chapter 7 -- Specifications for control systems, designing compensators using the root locus, phase lag and phase lead compensators, lag-lead compensation - 4 class periods.

Chapter 8 -- Frequency response analysis, review of Bode plots, gain and phase margins - 3 class periods.

Chapter 9 -- Specifications for control systems, designing compensators in the frequency domain, phase lag and phase lead compensators, lag-lead compensation - 4 class periods.

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Lastest revision on Wednesday, June 7, 2006 11:43 AM