Projects
Assignments
Overview
This specialized course provides a comprehensive understanding of inverters and AC motor control techniques used in electric vehicles (EVs). Participants will explore various inverter topologies, learn the principles of AC motor operation, and apply advanced control algorithms like Field-Oriented Control (FOC) and sensorless control. With a focus on practical applications, participants will gain hands-on experience in designing and simulating motor control systems for optimal EV performance.
Objectives
By the end of this course, leaner will be able to:
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Understand the principles of inverter operation and their applications in EVs.
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Analyze and compare various inverter topologies and their characteristics.
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Identify different types of AC motors used in EVs and understand their operation.
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Implement advanced motor control algorithms such as FOC and sensorless control.
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Design and simulate motor control systems using software tools.
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Evaluate motor performance and optimize system efficiency.
Prerequisites
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Control System Fundamentals
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Automotive Systems Knowledge
Course Outline
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Role of inverters in electric vehicles.
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Overview of power semiconductor devices: IGBTs, MOSFETs, SiC devices.
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Basic inverter topologies: single-phase and three-phase inverters.
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Introduction to Pulse Width Modulation (PWM) techniques.
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Hands-on Simulation: Analyze PWM waveforms and simulate basic inverter circuits.
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Advanced inverter topologies:
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Multilevel inverters: NPC, Cascaded H-Bridge
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Matrix converters
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Z-source inverters
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Modulation techniques:
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Space Vector PWM (SVPWM)
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Sinusoidal PWM (SPWM)
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Design considerations: Efficiency, Power Density, and Thermal Management.
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Practical Exercises: Compare inverter topologies for various EV applications.
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Operation principles of Induction Motors.
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Permanent Magnet Synchronous Motors (PMSM): Types and Applications.
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Introduction to Synchronous Reluctance Motors (SynRM).
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Evaluation of Motor Performance Characteristics.
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Hands-on Exercise: Analyze motor performance curves.
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Understanding the principles of FOC for AC motors.
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Coordinate transformations: Clarke and Park Transforms.
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Current Control Loops using PI Controllers.
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Space Vector Modulation (SVM) for efficient control.
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Introduction to Sensorless FOC for rotor position and speed estimation.
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Hands-on Simulation: Implement FOC algorithms for PMSM and induction motors.
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Overview of BLDC Motor Construction and Operation.
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Commutation Techniques for BLDC Motors.
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Implementing Speed and Torque Control for BLDC motors.
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Practical Exercises: Develop and test BLDC motor control algorithms.
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Sensor Selection and Control Loop Tuning.
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Stability Analysis in Motor Control Systems.
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Simulation using software tools like MATLAB/Simulink or PLECS.
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Introduction to Hardware-in-the-Loop (HIL) for system testing.
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Hands-on Project: Design and simulate a complete motor control system for an EV.
