SYS 401 – Linear Systems (Winter 2015)


Class Website:

Instructor: Dr. Nikolaos Bekiaris-Liberis, D5.101, +30 28210-37289,

Recommended Book: Dorf and Bishop, Modern Control Systems (any of the last few editions), and the corresponding translated ones from Rovithakis & Kofidis and Poimenidis & Dimitriadis.

Prerequisites: MATH 101, ΜATH 102, ΜATH 201 .

Lecture and problem session time/place:  Thursday/Friday, 9:00-11:00/9:00-12:00, 145P42.

Holidays: None.

First Lecture: Thursday, October 1st.

Last Lecture: Friday, December 18th

Midterm exam: Thursday, November 12.

Final exam: Friday, January 15

Lab assistant: Μanolis Doudounakis, E5.103, 28210-37382,

Lab assistant's office hours: Wednesday 11:00--13:00

Instructor's office hours:  Wednesday 13:00-15:00

Grading: Midterm exam 25%. Final exam 55%. Lab 20%. Homework 15%.

Topics: Dynamical modeling with ordinary differential equations. Linearization. Transfer function. State space. Time response. Analysis and design of feedback systems. Time and frequency specifications. PID controller. Stability. Routh-Hurwitz criterion. Root locus. Frequency response. Bode and Nyquist diagrams. Design in the frequency domain. Controllability and observability. Design in the time domain. Smith predictor. Discrete-time systems. Matlab for systems.

Matlab tutorial here


Homework 1 Solutions
Homework 2 Solutions


Midterm 2015 Solutions


Final 2016

Exam policy: Open notes.