EE362-Ch0.pdf - Feedback and Control Systems

Feedback Control Systems
Assoc. Prof. Enver Tatlicioglu
Department of Electrical & Electronics Engineering
Izmir Institute of Technology
Chapter 0
Assoc. Prof. Enver Tatlicioglu (EEE@IYTE) EE362 Feedback Control Systems Chapter 0 1 / 16

Course contents
Course code and name: EE362 Feedback Control Systems
Time and Place:
– Tuesday from 8.45 to 10.30 at 202
– Thursday from 8.45 to 10.30 at 202
Instructor: Enver Tatlicioglu, Associate Professor
Office Hours: Friday afternoon or by appointment.
Course Webpage:
http://web.iyte.edu.tr/˜envertatlicioglu/17B-EE362.html

Course contents
Mathematical modeling: Transfer functions, state equations, block
diagrams.
System response; performance specifications.
Stability of feedback systems: Routh Hurwitz criterion, Nyquist
stability criterion, gain margin and phase margin.
Design of dynamic compensators.
Analysis and design techniques using root–locus.
(optional) Experiments with ball and beam and ball on plate
test–beds.
(optional) State space techniques: Controllability, observability, pole
placement and estimator design.
(optional) Discrete–time control systems.

Course outline – Topics with text sections
1 Feedback control – (1.1 – 1.4)
2 System modeling in the time domain – (2.1 – 2.6)
3 Dynamic response – (3.1 – 3.5)
4 Basic properties of feedback – (4.1 – 4.3)
5 Stability analysis – (4.4)
6 Root–locus analysis – (5.1 – 5.5)
7 Root–locus design – (5.6)
8 Frequency–response analysis – (6.1 – 6.6)
9 Frequency–response design – (6.7, 6.9)
10 State–space models – (7.1 – 7.4)

Feedback control systems
Course foundations:
? Differential Equations,
? Circuit Analysis 1 and 2,
? Signals and Systems.
Previous exposure to the following will be required/helpful:
? LTI systems and their properties,
? Differential equations,
? Laplace transforms,
? Matlab/Simulink.
Course focuses on analysis of continuous–time dynamic systems and
design of feedback controllers.
Developing analysis skills is of primary importance.
Introduction of specialized applications is secondary.

Specific goals of the course
To model systems and to obtain transfer function.
To identify the differences between open–loop and closed–loop
control systems.
To acquire knowledge about the fundamental characteristics of
control systems.
To acquire knowledge about the analysis techniques of control
systems.
To analyse stability of control systems.
To analyse steady state error of control systems.
To design simple controllers.
To design controllers and observers for state space systems.

Book
Text: Feedback Control of Dynamic Systems by G. F. Franklin, J. D.
Powell, A. E Naeini.
Suggested supplementary material: Feedback and Control for
Everyone by Pedro Albertos, Iven Mareels.
While all the slides are not from the book, the course is organized to
follow the book.
Some of the homework problems and exam questions come from the
book.
You will need to read additional information beyond the class notes.

How should I use the class materials?
Download lecture slides on a topic.
Print the slides at 2 (or 3 or 4) per page.
Read the slides before the lecture.
Listen to the lecture and take notes on the printed pages.
After the lecture, go through the slides and your notes.
Work on the examples using the provided solutions.
Work on the examples without using solutions.
Work on the homework problems.
Questions in class are strongly encouraged. It is extremely difficult to
teach a course without some sort of real time feedback.

Grading
Final scores will be calculated according to the following weighted
overall performance:
Homeworks, quizzes, experiments 10%
2 tests 25% each
Final exam 40%
Final letter grades will be assigned based on the following scale:
90 100 AA
85 89 BA
80 84 BB
75 79 CB
70 74 CC
65 69 DC
60 64 DD
50 59 FD
0 49 FF

About homeworks and tests
Homework will not be accepted late. If you have a valid reason for
failing to meet deadlines, you should see me in advance.
Collaboration on homework is allowed, since one of the main
objectives of homework is to get you talking and thinking about the
material. Copying someone else’s homework is just plain unethical.
First midterm exam: April 11th, 2017 (8th week), 8.45–10.30
Second midterm exam: May 9th, 2017 (12th week), 8.45–10.30
Final Exam: June 6th, 2017, 8.45–10.30
Tests are closed book and closed notes.
You are not allowed to use any calculator on the tests.
You are not allowed to use cell phones or other electronic equipment
during the tests.
Make sure your writing is neat, readable, and proceeds logically to the
solution – if I cannot read it or make sense of it, you will NOT get
the points.

Contacting the instructor
Bilal Orkan Olcay’s office hours are Monday afternoon or by
appointment (room # 105 at laboratory building).
Send an email to bilalolcay@iyte.edu.tr with any questions related to
the course.
My office hours are Friday afternoon or by appointment (room #
203).
Send an email to enver@iyte.edu.tr or envertatlicioglu@iyte.edu.tr with
any questions related to the course. My response to your emails may
be delayed if I receive them during weekend or after 5PM during
weekdays.
It is generally not efficient to answer technical questions by email.
Office hours are provided to give a more interactive discussion.

Is this class hard?
Yes. You can learn it, but ...
Work on it as we go! You cannot catch up if you wait until the test!!!
If you get behind it may be hard to catch up.
Practice is the key to this class.
Work the problems!

Academic integrity
We are expecting you to behave professionally.
No cheating!

Final thought
This material is interesting and can help you in your career.
Give the class your best effort.

Feedback control systems
I won’t feel happy if a student
visits me after the Final exam, mentions that his/her GPA is 1.79 (or 1.99),
and asks for a grade bump;
or sends me email for the same purpose;
or sends me his/her parents for the same purpose.

Notation
iff = if and only if
+ve = positive
-ve = negative

EE362-Ch0.pdf - Feedback and Control Systems

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