ECE 421

Classical Systems and Control Theory
Spring 2005

You can download a .pdf version of the course syllabus.

Class Time: Tuesday and Thursday, 3:00 - 4:15 p.m., Innovation Hall, Room 204, Dr. Beale
Graduate Teaching Assistant: Sandeep Jakkidi
         Office Hours: Friday, 12:30 - 4:30 p.m., Sci. & Tech. II, Room 265, 703-993-4109
Prerequisites: Grade of C or better in ECE 220 or POI
Text: Modern Control Systems , 10th Edition, R.C. Dorf and R.H. Bishop, Prentice Hall, 2005, Chapters 1, 2, 4 - 10

Objectives:

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 22 -- Chapters 1, 2, and 4
Test 2 -- Tuesday, April 5 -- Chapters 5, 6, and 7
Final Exam --Tuesday, May 17, 1:30 -- 4:15 p.m. -- Comprehensive, with Chapter 10 emphasized
Last day to drop classes without Dean's permission -- Friday, February 25.
No classes the week of March 13 - 20, due to Spring Break!!!

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 2 -- Block diagrams and their manipulation, signal flow graphs, Mason's gain formula -- 4 class periods.

Chapter 4 -- Advantages of feedback systems, reduction of sensitivity to parameter changes, reduction in the effects of disturbances -- 2 class periods.

Chapter 5 -- Transient analysis for systems, model and characteristics of second-order systems, steady-state errors in systems -- 4 class periods.

Chapter 6 -- Stability of linear systems, stability analysis from the Routh array -- 2 class periods.

Chapter 7 -- 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.

Chapters 8 & 9 -- Frequency response analysis, review of Bode plots, gain and phase margins -- 3 class periods.

Chapter 10 -- Specifications for control systems, designing compensators with root locus and in the frequency domain, phase lag and phase lead compensators, lag-lead compensation -- 7 class periods.

Course Calendar:

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Lastest revision on Wednesday, June 7, 2006 11:45 AM