EE-561
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'''Lecture 5'''. Solution of difference equations by Z-transform method; transfer functions; integrator approximation in transform domain; continuous-to-discrete approximations for controller synthesis by emulation; block diagram representations using delays, summers and gain | '''Lecture 5'''. Solution of difference equations by Z-transform method; transfer functions; integrator approximation in transform domain; continuous-to-discrete approximations for controller synthesis by emulation; block diagram representations using delays, summers and gain | ||
| + | '''Recitation / Seminar.''' Feedback control scheduling of crane control systems. [[Media:lums-css-seminars-fall2013-sept6.pdf|Announcement]] | ||
| align ="left" | FranklinD Ch 3 | | align ="left" | FranklinD Ch 3 | ||
[[Media:EE561-fall2013-HW1.pdf|Home work #1]] | [[Media:EE561-fall2013-HW1.pdf|Home work #1]] | ||
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Revision as of 10:39, 4 September 2013
| EE-561: Digital Control Systems |
|---|
Instructors
Dr. Abubakr Muhammad, Assistant Professor of Electrical Engineering
Email: abubakr [at] lums.edu.pk
Office: Room 9-351A, 3rd Floor, SSE Bldg
Course Details
Year: 2013-14
Semester: Fall
Category: Undergrad
Credits: 3
Elective course for electrical engineering majors
Course Website: http://cyphynets.lums.edu.pk/index.php/EE-561
Course Description
Design and digital implementation of multiple-input, multiple-output (MIMO) linear feedback control systems for specified dynamic response; z-transform and sampling; exposure to embedded control systems; state-space based models; introduction to advanced concepts of multi-variable control. Design and implementation project on real-time digital control.
Objectives
- To build on students’ undergraduate exposure to feedback control and teach advanced design techniques
- To impart knowledge of practical issues related to the implementation of feedback controllers using digital processors.
- To introduce advanced techniques of linear multivariable control system design.
- To expose students to aspects of embedded control systems as practiced in robotics, automotive, aerospace, process industries.
- To prepare students for advanced courses in mathematical control theory and practical control engineering.
Learning Outcomes
- Identify state, measurement and control in a given problem.
- Design controllers for linear models of systems using MATLAB and SIMULINK.
- Select and program real-time digital controllers on platforms similar to PC, microcontroller, DSP.
- Predict performance for complex multivariable control tasks.
Pre-requisites
EE-361. Feedback Control Systems
Text book
The course will be taught from the following textbooks.
- FranklinF. Feedback control of dynamic systems by Franklin, Powell and Emami-Naeni (5th edition), Pearson, 2006.
- FranklinD. Digital control of dynamic systems by Franklin, Powell and Workman (3rd edition), Addison Wesley, 2000.
Other important references include
- Computer controlled systems by Karl Astrom and Bjorn Witternmark, Prentice Hall, 1997.
Grading Scheme
Homeworks+Quiz : 15%
Project: 20%
Midterm: 30%
Final : 35%
Policies and Guidelines
- Quizzes will be announced. There will be no makeup quiz.
- Homework will be due at the beginning of the class on the due date. Late homework will not be accepted.
- You are allowed to collaborate on homework. However, copying solutions is absolutely not permitted. Offenders will be reported for disciplinary action as per university rules.
- Any appeals on grading of homeworks, quiz or midterm scores must be resolved within one week of the return of graded material.
- Attendance is in lectures and tutorials strongly recommended but not mandatory. However, you are responsible for catching the announcements made in the class.
- Many of the homeworks will include MATLAB based computer exercise. Some proficiency in programming numerical algorithms is essential for both the homework and project.
Course Delivery Method
Lectures. Mon, Wed: 11:00pm-12:15pm. 10-302. SSE Bldg
Recitations. Fri. 11:00-11:50am. SC1.
Schedule
| WEEK | TOPICS | REFERENCES |
|---|---|---|
| Week 1. Aug 19 | Lecture 1. Introduction to concepts of control, feedback, feedforward, uncertainty and robustness;
Recitation. Review of SISO continuous-time signals and systems; | FranklinF Ch1; |
| Week 2. Aug 26 | Lecture 2. Review of SISO feedback control; rational LTI systems; geometry of 2nd order poles; error expression in closed loop and open loop systems; sensitivity function; control design objectives;
Lecture 3. Summary of control design; compensators and PID controllers; introduction to sampled data systems; Naive approaches towards emulation; Euler's forward approximation; a pseudo-algorithm for controller implementation; | FranklinD 2, FranklinF 4.4 |
| Week 3. Sept 2 | Lecture 4. Digital control by emulation; Euler's forward and backward approximation; trapezoidal rule; approximation of a continuous time compensator; zero order hold (ZOH) and delays; general difference equations; introduction to the Z-transform;
Lecture 5. Solution of difference equations by Z-transform method; transfer functions; integrator approximation in transform domain; continuous-to-discrete approximations for controller synthesis by emulation; block diagram representations using delays, summers and gain Recitation / Seminar. Feedback control scheduling of crane control systems. Announcement | FranklinD Ch 3 |
