C Program to calculate the performance metrics of an Induction Motor

19EE2011 Automotive Electronics L T P C

3 0 0 3

Course Objectives

1. To gain knowledge about the influence of electronics inautomobile 2. To study the operation of various automotivesystems 3. To analyze the performance of the vehicle with digital controlsystem

Course Outcomes

At the end of this course, students will demonstrate the ability to 1. Analyze various parameters that influence the vehicle performance 2. Recognize the importance of digital control system in automobiles 3. Understand the operation of sensors and actuators 4. Develop systems for starting engine and battery charging 5. Formulate control strategies with automotive systems for reducing exhaustemission 6. Relate the various control strategies for performance improvement

Module 1: Basics of Electronic Engine Control (8 Hours)

Introduction to SI and CI engines – Motivation for Electronic Engine Control - Exhaust Emissions Fuel Economy - Concept of an Electronic Engine Control System - Definition of Engine Performance Terms - Exhaust Catalytic Converters - Analysis of Intake Manifold Pressure - Idle Speed Control –Electronic Ignition.

Module 2: Automotive Control System Sensors and Actuators (8 Hours)

Introduction, Basic sensor arrangement -Variables to be measured - Airflow Rate Sensor, Pressure Measurements, Engine Crankshaft Angular Position Sensor - Throttle Angle Sensor, Temperature Sensors, Typical Coolant Sensor, Sensors for Feedback Control, Knock Sensors, Automotive Engine Control Actuators, Electric Motor Actuators, Throttle Actuator, Solenoids, Stepper Motor-based Actuator Electronics, Vacuum-Operated Actuator.

Module 3: Automotive Instrumentation (8 Hours)

Modern Automotive Instrumentation – Input and Output Signal Conversion – Multiplexing – Sampling – Computer Based Instrumentation System – Fuel Quantity Measurement - Coolant Temperature Measurement - Oil Pressure Measurement – Vehicle Speed Measurement – Display Devices – LED –LCD – Trip Information Computer – Automotive Diagnostics

Module4: Starting / Cranking and Electric Systems (7 Hours)

Requirement of starting system, Basic component of starting system, Starter motors and Circuits, Starter motor types, Starting and motor characteristics, diagnosing starting system faults, Advanced starting system technology, charging system, Insulated & earth return systems. Electric fuel pump, Positive & negative earth systems, Development of spark in SI engines.

Module 5: Electronic Fuel Injection, Ignition Systems and Digital Engine Control System (8 Hours)

Introduction, Feedback carburetor systems (FBC), Fuel injection systems, Throttle body injection and multi-port or point fuel injection, Electronic Ignition, Advantages, Types of solid-state ignition systems and their principle of operation, Electronic spark timing control. Digital Engine Control Features, Control Modes for Fuel Control, Discrete Time Idle Speed Control, Electronic Ignition Control, Integrated Engine Control System, Engine Crank (Start), Engine Warm-Up, Open-Loop Control, Closed-Loop Control, Hard Acceleration, Deceleration and Idle.

Module 6: Vehicle Safety and Motion Control Systems ( 6 Hours)

Active and Passive safety system, Air Bag, Seat Belt, Representative Cruise Control System, Digital Cruise Control, Advanced Cruise Control, Antilock Braking System, Electronic Suspension System, Electronic Steering Control, Four-Wheel Steering, Traction Control System.

Text Books

1. William B. Ribbens, “Understanding Automotive Electronics”, Butterworth, Heinemann Woburn, 7thEdition, 2012.

Reference Books

1. Robert Bosch “Bosch Automotive Electrics and Automotive Electronics”, Springer Vieweg, 5thEdition, 2013. 2. Tom Denton, “Automobile Mechanical and Electrical Systems” Taylor & Francis Ltd,