ECE 1673: Linear Control Systems (4 Credits, Spring 2008)

 

Description: Introduction to feedback control systems, mathematical models, second order systems response and identification, system types, steady-state errors, root locus analysis and design, Bode plots, Nyquist theory and frequency domain compensation techniques, and introduction to modern control design. Includes Matlab/Simulink labs.

 

Time: Monday 9-10:50 am and Wednesday 9-11:50 am

 

Instructor:

Dr. Zhi-Hong Mao

(Office) 434 Benedum Hall

(Phone) 412-624-9674

(Email) maozh@engr.pitt.edu

(Office hours) Monday 11 am-1 pm

 

Teaching Assistant:

Mr. Sushant Tare

(Office) 275 Benedum Hall

(Email) smt55@pitt.edu

(Office hours) Wednesday 1 pm-3 pm

 

Text: Charles L. Phillips and Royce D. Harbor, Feedback Control Systems, 4th Edition, Prentice Hall, Upper Saddle River, NJ, 2000

 

Course Evaluation:

Homework: 20%

Lab report: 20%

Quiz I: 15%

Quiz II: 15%

Final exam: 25%

Class participation: 5%

 

Schedule for lectures (notes will be available at http://www.engr.pitt.edu/electrical/faculty-staff/mao/1673/):

 

Date

Topic

Reading

 

1/7 M (Monday)

Lecture 1: Course organization; introduction to control systems

 

Chapter 1 of the text book

1/9 W

(Wednesday)

No class (Dr. Mao’s attending the NSF CMMI Conference)

 

1/14 M

Lecture 2: Mathematical foundation

 

Chapter 2 and Appendex B

1/16 W

Lecture 3: System modeling; block diagrams and signal flow graphs

 

Lecture 4: System responses of first order and second order systems (I)

  

Chapter 2

 

 

Chapter 4

1/21 M

No class (birthday of Dr. Martin Luther King, Jr.)

 

 

1/23 W

Lecture 5: System responses (II); stability

 

Chapter 5

1/28 M

Lecture 6: Disturbances and sensitivity

 

Chapter 5

1/30 W

Lecture 7: System types; steady-state accuracy; transient response

 

Chapters 5 and 6

2/4 M

Lecture 8: More on stability analysis; introduction to root locus

 

Chapters 6 and 7

2/6 W

Lecture 9: Root locus rules

  

Chapter 7

2/11 M

Lecture 10: Root locus examples

 

Chapter 7

2/13 W

Lecture 11: Root-locus design; practice problems for Quiz I

 

Chapter 7

2/18 M

Quiz I

 

 

2/20 W

Lecture 12: Phase-lead compensator and phase-lag compensator; PID control

 

Chapter 7

2/25 M

Lecture 13: More on root-locus design; frequency response analysis; Bode diagrams

 

Chapter 8

2/27 W

Lecture 14: Bode diagram examples

 

Chapter 8

3/3 M

Lecture 15: Nyquist criterion

 

Chapter 8

3/5 W

Lecture 16: Examples of Nyquist diagram

 

Chapter 8

3/10 M

No class (spring break)

 

3/12 W

No class (spring break)

 

 

3/17 M

Lecture 17: More examples of Nyquist diagram; relative stability (lectured by Sushant Tare)

 

Chapter 8

3/19 W

Lecture 18: Recitation

 

Chapter 9

3/24 M

Lecture 19: Practice problems for Quiz II; frequency response design (I): control design specifications

 

 

3/26 W

Quiz II

 

 

3/31 M

Lecture 20: Frequency response design (II): cascade compensation, gain compensation, and phase-lag compensation (I); concepts in modern control (I): centralized and decentralized control

 

Chapter 9

4/2 W

Lecture 21: Frequency response design (III): phase-lag compensation (II); concepts in modern control (II): hybrid control

 

Chapter 9

4/7 M

Lecture 22: Frequency response design (IV): phase-lead compensation; concepts in modern control (III): nonlinear control

 

Chapter 9

4/9 W

Lecture 23: Frequency response design (V): lag-lead compensation and PID control; concepts in modern control (IV) state-variable modeling, observability, and controllability

 

Chapter 9

4/14 M

Lecture 24: Course review

 

 

4/16 W

Lecture 25: Practice problems for the final

 

 

4/21 M

Final exam (12 pm-1:50 pm)

 

 

  

Schedule for labs:

 

            Topic

Due date

 

Lab 1: Simulation of continuous casting

 

1/23 W

Lab 2: Simulation and analysis of system stability

 

2/13 W

Lab 3: PID tuning

 

           Supplemental note: PID control

 

3/19 W

Lab 4: Phase shift oscillator

 

4/16 W

 

Homework Solutions:

 

Homework 1

Homework 2

Homework 3

Homework 4

Homework 5

Homework 6

Homework 7

Homework 8