EEE8154 : Control of Electric Drives
- Offered for Year: 2023/24
- Module Leader(s): Dr Shafiq Odhano
- Owning School: Engineering
- Teaching Location: Newcastle City Campus
Semesters
| Semester 1 Credit Value: | 20 |
| ECTS Credits: | 10.0 |
Aims
The module introduces students to these aspects of electric drive systems: structure, configuration, motor and load types, high performance control, and industrial applications. It aims to enhance the students’ understanding of electric drive systems and to show the relationship between the theoretical and practical aspects of the subject.
Outline Of Syllabus
Basic drive configurations and load characteristics; two and four quadrant drives; dynamic braking and regeneration; constant torque and field weakening strategies; examples for high bandwidth torque requirement
DC Drives: dc motor modelling; state space models; use of H-bridge for variable supply voltage; current ripple; electrical and mechanical system transfer functions; armature current and rotor speed control; cascade control structures; digital control basics; position measuring devices; step-by-step tuning method for proportional-integral controllers for drives; additive disturbance rejection and steady-state error
AC Drives: configurations of three-phase power electronic converter; induction motor drive basics and open-loop V/F control; space vector theory; three-phase to two-phase transformation; PM machine dynamic equations; torque control of brushless dc motor; reference frame transformation; vector control of permanent magnet synchronous motor; dynamic model of induction motor; rotor flux-oriented vector control of induction motor drives; decoupled flux and torque control; torque control at high dynamics; indirect and direct rotor flux-oriented vector control of induction machines; voltage space vector generation through a three-phase power electronic converter; mathematical basis for space vector modulation; centre-aligned PWM modulation strategy; phase duty cycle calculations
Advanced control concepts and computer simulation: dc motor simulation; unipolar and bipolar H-Bridge modulation for DC drives; digital current and speed control of a dc motor drive; three-phase power electronic converter with RL load; space vectors, phase and reference-frame transformations; modelling and control of a permanent magnet synchronous motor drive
Case study: Study of a 24V digitally controlled drive system – electronics design and control software issues
Teaching Methods
Teaching Activities
| Category | Activity | Number | Length | Student Hours | Comment |
|---|---|---|---|---|---|
| Guided Independent Study | Assessment preparation and completion | 1 | 3:00 | 3:00 | Final Exam in Assessment Period |
| Structured Guided Learning | Lecture materials | 32 | 0:40 | 21:20 | Non-synchronous pre-recorded videos of 20-mins (each), replacing some lecture material – 20 minutes |
| Guided Independent Study | Assessment preparation and completion | 1 | 26:00 | 26:00 | Revision for final exam |
| Guided Independent Study | Assessment preparation and completion | 3 | 2:00 | 6:00 | 1x2hr per week formatively assessed online NUMBAS tutorial from second week onwards |
| Scheduled Learning And Teaching Activities | Lecture | 8 | 2:00 | 16:00 | 2x2hr lectures per week over 4 weeks |
| Guided Independent Study | Assessment preparation and completion | 1 | 10:00 | 10:00 | Revision for online NUMBAS tutorial |
| Guided Independent Study | Skills practice | 4 | 4:30 | 18:00 | Reading activity to supplement knowledge of material taught in each week |
| Scheduled Learning And Teaching Activities | Workshops | 8 | 1:30 | 12:00 | 2x1.5hr Matlab exercises per week over four weeks in computer labs or synchronous online if public h |
| Scheduled Learning And Teaching Activities | Drop-in/surgery | 4 | 1:00 | 4:00 | One online synchronous tutorial and Q&A session on chatroom/discussion board per week – synchronous |
| Guided Independent Study | Independent study | 1 | 83:40 | 83:40 | Reviewing lecture notes; practising with computer simulation models; general reading |
| Total | 200:00 |
Teaching Rationale And Relationship
Lectures, synchronous and non-synchronous online sessions provide core material and guidance for further reading. Computer based learning exercises reinforce the lecture content and provide an opportunity for students to develop industry related simulation and modelling skills. Alternatives will be offered to students unable to be present-in-person due to the prevailing Covid-19 circumstances. Students should consult their individual timetable for up-to-date delivery information
Assessment Methods
The format of resits will be determined by the Board of Examiners
Exams
| Description | Length | Semester | When Set | Percentage | Comment |
|---|---|---|---|---|---|
| Written Examination | 120 | 1 | A | 75 | Closed-book exam during the assessment period |
Other Assessment
| Description | Semester | When Set | Percentage | Comment |
|---|---|---|---|---|
| Written exercise | 1 | M | 25 | Coursework - Design and simulation project – Simulation of the control of a dc motor and PMSM drives. Task to be set in week 1 – report submission in week 4 |
Formative Assessments
| Description | Semester | When Set | Comment |
|---|---|---|---|
| Aural Examination | 1 | M | NUMBAS mid-term assessment |
Assessment Rationale And Relationship
The assessment provides an opportunity for the student to demonstrate their understanding of the course material. The problem-solving aspects of the assessment enable the student to demonstrate their ability to apply this understanding and their analysis and synthesis skills to novel situations.
Reading Lists
Timetable
- Timetable Website: www.ncl.ac.uk/timetable/
- EEE8154's Timetable