Syllabus
Course Information
Objectives: The course aims to provide the student with essential knowledge in control required for design and application of of the most common electric motor drives.
Context: Basic drive configurations, load characteristics, dynamic model of DC motors, cascade control structure, toque, speed and position control of DC motors, V/F control of induction motors, space vectors, dynamic modeling of asynchronous motors, reference frame transformations, torque and flux decoupling, indirect and direct vector control, direct torque control (DTC), PM synchronous motors, control of salient and non-salient PMS motors, sensorless control.
Relation to other courses: The course is offered to all students following an MSc Program in Electric Power Engineering at Sharif University of Technology. It is among compulsory courses for those who choose "Power electronics and electric machines" as their professional discipline and is elective for students with "Power systems" as their discipline.
Pre-requisites: The pre-requisite for the course is EE25213, Industrial electronics.
Assumed knowledge: It is assumed that the students are familiar with electrical machines fundamentals and linear systems control.
Following courses: This is one of the specialization courses for students following the "Power electronics and electrical machines".
Topics Covered
- Principles of Motion Control
Basic mechanics
Mechanical power transmissions
Steady-state characteristics of loads and motors
- DC Motor drives
Steady-state characteristics of DC motors
Power converters for DC motors and their dynamical model
Dynamic Model of DC- Machines
Torque Control of DC-machine in base speed range
Torque Control of DC-machine in field weakening range
Speed control
Speed control with flexible coupling
Position control
- Induction Machine (IM) drives
Steady state model of induction machine
V/F control
Space Vector Modulation
Dynamic Model of Induction Machine (IM)
Field oriented control of Induction Machine
Flux observers
Direct Torque Control (DTC)
- Permanent Magnet Synchronous Motor (PMSM) drives
Trapezoidal emf synchronous motors (BLDC)
Sinusoidal emf synchronous motors (PMAC)
Dynamic Model of non-salient and salient pole PMSM
Torque Control of non-salient pole PMSM in base speed range
Torque Control of non-salient pole PMSM in flux weakening range
Torque Control of salient pole PMSM in base speed range
- Speed sensorless control
Introduction to sensorless control, principals and methods
Sensorless control of IM using fundamental harmonic model methods
Speed estimation of IM
Speed estimation of PMSM by high frequency signal injection