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Design and Control of Electric Machines
Last Updated: 2026-02-05 15:54:32
Abstract
This course covers modeling and control concepts of modern drive systems and provides a deeper understanding of the dynamic operation of electric machines. Different aspects arising in the design of electric drive systems are investigated. The exercises are used to consolidate the concepts discussed.
Objective
The objective of this course is to convey knowledge on control strategies of different types of electric machines and on design principles of variable speed drive systems. A dynamic modeling of the electromechanical system is investigated, enabling the proper design of cascaded speed, torque/current controllers. Further objectives are the identification of machine parameters and a short insight into basic inverter circuits applied in advanced motor drive systems. Exercises are used to consolidate the presented theoretical concepts.
Content
1. Introduction to variable speed motor drive systems consisting of: - Electromechanical system - Power electronic system - Control system - Measurement system 2. Control structures and strategies of DC Machine/Synchronous machine/Asynchronous machine/Brushless DC machine. - Cascaded control - U/f Control - Slip Control - Field-oriented control 3. Dynamic Operation of electric machines - Dynamic modeling of electromechanical system - Controller types and design - Current/torque control - Speed control (Voltage control / Flux weakening) 4. Power electronic inverter circuits in variable speed drive systems - Voltage and current source inverter systems - Basic operation and pulse width modulation 5. Identification of machine parameters 6. Design principles of variable speed motor drives systems
Resources
Lecture Notes
Lecture notes and associated exercises including correct answers
General Information
- Language
- English
- Levels
- BSC , MSC
- Frequency
- Yearly recurring
Examination
- Type
- session examination
- Mode
- written 180 minutes
- Aids
- Non-programmable calculator. A summary of the lecture notes is provided to the students at the written exam. Own summaries, exercises and their solutions are not allowed.
Course Components
| Type | Title | Time & Place | Hours |
|---|---|---|---|
| lecture with exercise | Design and Control of Electric Machines |
|
4 h weekly |
Offered In
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Mechatronics (Focus Coordinator: Prof. Marco Hutter To achieve the 20 credits for Focus Specialization Mechatronics, 151-0640-00L Studies on Mechatronics is compulsory.)
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Electives (This is only a short selection. Other courses from the ETH course catalogue may be chosen. Please consult the "Richtlinien zu Projekten, Praktika, Seminare" (German only), published on our website ( ).)
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Energy and Power Electronics (The core courses and specialization courses below are a selection for students who wish to specialize in the area of "Energy and Power Electronics", see . The individual study plan is subject to the tutor's approval.)
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Specialization Courses (These specialization courses are particularly recommended for the area of "Energy and Power Electronics", but you are free to choose courses from any other field in agreement with your tutor. A minimum of 40 credits must be obtained from specialization courses during the Master's Programme.)
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Major Courses (A total of 42 CP must be achieved form courses during the Master Program. The individual study plan is subject to the tutor's approval.)
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Recommended Subjects (These courses are recommended, but you are free to choose courses from any other special field. Please consult your tutor.)
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