Posts

Showing posts from December, 2025

Chapter 5: Electric Vehicle Powertrain Architecture and Configurations

Image
Abstract : EV powertrains convert electrical energy to motion using components like batteries, motors, and inverters, with key architectures being Battery Electric (BEV) for pure electric, Hybrid (HEV/PHEV) combining motor with an engine, and Fuel Cell (FCEV) using hydrogen;  configurations range from simple single-motor setups to complex multi-motor, all-wheel-drive systems , optimizing efficiency and performance.   Core Components Battery Pack :  Stores electrical energy (DC). Power Electronics (Inverter/Controller) :  Converts battery's DC to AC for the motor and controls motor speed/torque. Electric Motor :  Converts electrical energy into mechanical rotation (torque). Transmission :  Single-speed gearbox or reduction drive to wheels. DC-DC Converter :  Steps down high voltage to power vehicle accessories (12V). On-Board Charger :  Converts AC from the grid to DC for battery charging.   Main EV Powertrain Architectures Battery...

Chapter 4: Electric Vehicle Charging Infrastructure and Standards

Image
Abstract : EV charging infrastructure involves  establishing charging stations with standardized plugs (like CCS2 in India) and protocols, supported by government guidelines for placement (e.g., every 25km on highways) and technical specs (BIS IS-17017) for safety and interoperability, covering AC/DC charging, grid integration, and new tech like battery swapping, with focus on smart management and grid impact. Key aspects include ensuring safe grid connections ( LT/HT ), promoting open access, and mandating online booking/payment systems for seamless user experience .   Key Infrastructure Elements Placement:  Mandates for urban areas (3x3 km grid) and highways (every 25 km) for public chargers. Types:  Mix of AC (Level 2) and DC Fast Chargers (Level 3) with CCS2/CHAdeMO (dual-gun) for compatibility. Technology:  Includes solar integration, smart charging, and battery swapping (especially for 2/3-wheelers). Grid Integration:  Requires DISCOMs to ...

Chapter 3: Components of Electric Vehicles

Image
Abstract: Electric vehicles (EVs) primarily use  a  battery pack , an  electric motor , a  power inverter , a  DC-DC converter , an  onboard charger , a  charge port , and a  power electronics controller , which work together to store energy, convert it, and power the wheels, replacing the traditional engine, fuel tank, and exhaust system . Key functions involve the battery storing DC power, the inverter changing it to AC for the motor, and the controller managing flow, while the charger handles external AC input .   Core Components Traction Battery Pack :  The main energy storage, typically lithium-ion, providing DC power. Electric Traction Motor :  Converts electrical energy into mechanical energy to drive the wheels, offering instant torque. Power Electronics Controller  (PEC):  Manages the flow of electrical energy between the battery, motor, and other systems, controlling motor speed and torque. Inverter :...

AI Tools Handbook: Concepts, Applications, and Practical Usage

Image
Here is a clear, comprehensive, and publication-ready book contents structure for a book on AI Tools , designed for students, educators, professionals, and practitioners . The structure progresses from foundations → categories of tools → hands-on use → ethics → future trends , which fits well with your academic and training-oriented writing style, Dr. Dalgobind Mahto . Book Title (Suggested) “AI Tools Handbook: Concepts, Applications, and Practical Usage” Front Matter Cover Page Copyright Page Dedication Foreword Preface Acknowledgements How to Use This Book Part I: Foundations of Artificial Intelligence Tools Chapter 1: Introduction to AI Tools What Are AI Tools? Evolution of AI Software and Platforms AI Tools vs Traditional Software Role of AI Tools in Digital Transformation Benefits and Limitations of AI Tools Chapter 2: Core Technologies Behind AI Tools Machine Learning Deep Learning Natural Language Processing (NLP) Computer Vision Reinforcement Learning G...

Chapter 2: Types of Electric Vehicles

Image
Abstract: There are four main types of electric vehicles (EVs):  Battery Electric Vehicles (BEVs)  run purely on electricity from large batteries;  Plug-in Hybrid Electric Vehicles (PHEVs)  use both a gas engine and a plug-in battery for electric-only range;  Hybrid Electric Vehicles (HEVs)  combine gas and electric power but can't be plugged in; and  Fuel Cell Electric Vehicles (FCEVs)  use hydrogen to generate electricity, emitting only water vapor . BEVs offer zero emissions, while hybrids and PHEVs provide a transition, and FCEVs offer longer ranges with quick refueling .   1. Battery Electric Vehicles (BEVs) / All-Electric Vehicles Power:  Solely electric motor powered by a large rechargeable battery pack. Charging:  Must be plugged into an external charging station. Emissions:  Zero tailpipe emissions. Examples:  Tesla models, Chevrolet Bolt, Ford Mustang Mach-E.   2. Plug-in Hybrid Electric Vehicles...

Chapter 1: Introduction to Electric Vehicles

Image
Abstract: Electric Vehicles (EVs) are  vehicles using electric motors for propulsion, powered by rechargeable batteries or other energy sources , offering a sustainable alternative to gasoline cars with zero tailpipe emissions, quiet operation, instant torque, lower running costs, and reduced reliance on fossil fuels, encompassing everything from cars and buses to ships and aircraft. Key types include fully electric (BEVs), plug-in hybrids (PHEVs), and hydrogen fuel-cell EVs , with modern tech using lithium-ion batteries for better range and efficiency .   How They Work Power Source : Electricity stored in large battery packs (lithium-ion in most modern EVs). Types of EVs Battery Electric Vehicles (BEVs) : Run solely on battery power (e.g., Tesla Model 3). Key Benefits Environmental : Zero tailpipe emissions improve air quality and reduce carbon footprint. Historical Context EVs existed as early as the 1830s but faded with the rise of gasoline cars. Let's expl...

Chapter-wise Contents Outline for the Book Titled "Greener Roads: The Electric Vehicle Revolution"

Image
Well-structured chapter-wise contents outline for the book titled "Greener Roads: The Electric Vehicle Revolution" : Table of Contents Abstract Foreword Preface Acknowledgments About the Author(s) Contents List of Figures List of Tables Nomenclature  Part I: Foundations of the Electric Vehicle Revolution Chapter 1: Introduction to Electric Vehicles Evolution of transportation What defines an EV? Historical timeline of EV development Need for change: climate, energy, and technology Chapter 2: Types of Electric Vehicles Battery Electric Vehicles (BEVs) Plug-in Hybrid Electric Vehicles (PHEVs) Hybrid Electric Vehicles (HEVs) Fuel Cell Electric Vehicles (FCEVs) Chapter 3: Key Components and Technologies Electric motors and powertrains Battery technologies and chemistries Charging infrastructure Regenerative braking and energy management Part II: The Driving Forces of Change Chapter 4: Environmental Impact and Su...