Overview

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This course features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. This course provides a comprehensive deep dive into the electric vehicle powertrain performance design, focusing on various key aspects that influence EV efficiency and functionality. From understanding the foundational components like inverters and high voltage battery packs to mastering the intricacies of vehicle dynamics, learners will gain valuable insights into the working mechanisms of electric vehicles. Throughout the course, you'll explore powertrain architectures, electric machine calculations, battery performance, and simulation models to ensure a complete grasp of EV powertrain design. Real-world challenges are introduced as you analyze vehicle parameters, calculate forces and torque, and evaluate efficiency and energy consumption. The course progresses logically, with a balance of theory, practical calculations, and hands-on simulation. Designed for those eager to enhance their expertise in electric vehicle systems, this course also introduces tools like Scilab and Xcos, enabling learners to simulate and analyze EV systems in real-time. It equips learners with the tools and knowledge required to develop efficient, high-performance electric vehicles. By the end of the course, you will be able to perform complex electric vehicle system simulations, calculate critical parameters for powertrain performance, and apply principles of vehicle dynamics and battery technology to optimize electric vehicle design.

Syllabus

Introduction

In this module, we will provide an introduction to the course, outlining its structure and objectives. We'll also discuss the required tools and software for the course and introduce Scilab and Xcos as resources for simulation and modeling activities.

Electric Vehicle System and Components

In this module, we will explore the components of electric vehicle systems, including the powertrain, drivetrain, and electrical system. We will also cover various powertrain architectures, energy flow, and the essential technologies such as electric machines, inverters, and high voltage battery packs.

Vehicle Parameters Calculation

In this module, we will demonstrate how to calculate key vehicle parameters, such as mass, center of gravity, and wheel radius, for accurate vehicle modeling. We will also consolidate the data into structured input tables for use in simulations.

Main Physics Concepts

In this module, we will cover fundamental physics concepts, including force, torque, power, efficiency, and energy loss. We will also explore the importance of gear ratios and their influence on vehicle performance.

Longitudinal Vehicle Dynamics

In this module, we will delve into the key forces influencing longitudinal vehicle dynamics, including slope, drag, and rolling resistance. We will also compute wheel power and torque, considering dynamic loading and other factors.

Electric Machine Calculation

In this module, we will focus on calculating the required power, torque, and speed for the electric machine in an electric vehicle. We will also select appropriate machine parameters and build an efficiency model to assess performance.

Vehicle Average Energy Consumption

In this module, we will examine the energy consumption of electric vehicles, including calculations for battery usage, auxiliary systems, and wheel energy consumption. We'll also analyze the simulation results to draw insights about vehicle efficiency.

High Voltage Battery Pack Calculation

In this module, we will focus on modeling high voltage battery packs, calculating key parameters for individual cells and the entire pack. We will also explore battery architecture and estimate charging times and state of charge during vehicle operation.

Electric Vehicle Simulation Model

In this module, we will introduce the electric vehicle simulation model, incorporating various subsystems such as the driver model, electric machine, and transmission. We will also explore how to simulate vehicle range and automate simulations using Scilab scripts.

Simulation and Data Analysis

In this module, we will analyze simulation data for various vehicle performance metrics, including acceleration, speed, and slope climbing. We will also assess efficiency and performance under different driving conditions.

Conclusions

In this module, we will verify that all design requirements have been met and introduce online tools for real-time simulations. We will conclude the course by summarizing the key concepts learned and their practical applications in electric vehicle design.