Course

Elective Streams Electric and Hybrid Vehicles

Unit 1

Introduction to Hybrid Electric Vehicle: Basic concept of hybrid traction, introduction to various hybrid drive- train topologies, power flow control in hybrid drive-train topologies, Energy Flow Analysis: fuel efficiency analysis, Range extender, optimization and hybridness, Battery power and electric motor power, Mild or micro hybrid features, Plug-in hybrid, All-wheel drive hybrid, Fuel economy analysis and comparison for a BEV/HEV Vehicle with a Fixed Gear Ratio, Energy Consumption, Power Output, Efficiency.

Unit 2

Design of HEV Drive train: Power and Mass Computations for Initial Vehicle Sizing, Power Requirements, Acceleration Power, Grade-Climbing Power, Vehicle Mass, Component Sizing, Techniques to enhance hybrid performance, Drive cycle and its detailed analysis, Matching the electric machine and the internal combustion engine (ICE), Sizing the propulsion motor, sizing the power electronics, selecting the energy storage technology, Communications, supporting subsystems, Switch Technology Selection, Drive Train Configuration, Drivetrain Control Technique, Traction Torque Control Approach.

Unit 3

Control System for HEVs & Energy Management: Hybrid ECU and its classification, Fuzzy Logic Based Control System, Elementary of Control Theory, Overview of Control System and Electronic Control Unit (ECU), Control Area Network, Control Variables. Introduction to energy management strategies used in hybrid and electric vehicles, classification of different energy management strategies, comparison of different energy management strategies, implementation issues of energy management strategies.

Course Objectives

1. To comprehend the principles and characteristics of hybrid electric drive-trains
2. To introduce the concept of energy flow and efficiency in hybrid electric vehicles
3. To compare energy management strategies in hybrid and electric vehicles
4. To teach design principles for the development of hybrid electric vehicles

Course Outcomes

CO-PO Mapping

Skills acquired

HEV energy optimization strategies, Range extension, HEV Control system, Drive cycle evaluation, Drive selection

Text Books / References

1. Iqbal Hussein, “Electric and Hybrid Vehicles: Design Fundamentals”, CRC Press, Second , 2021.
2. Mehrdad Ehsani, Yimin Gao, Stefano Longo, Kambiz Ebrahimi, “Modern Electric, Hybrid Electric, and Fuel Cell Vehicles”, CRC Press, Third Ed., 2018.
3. James Larminie, John Lowry, “Electric Vehicle Technology”, Wiley, Second , 2012.
4. Tom Denton, “Electric and Hybrid Vehicles”, Routledge, Third , 2024