AM4301 Engine Management Systems Syllabus:

AM4301 Engine Management Systems Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES:

 To impart knowledge on engine management systems viz fuel injection, ignition system.
 To understand various controlling system for emission control and engine operation
 To provide opportunities to discuss the fundamentals of engine control sensors and actuators,
 To identify and analyze electric and electronic related problems
 To distinguish various engine control algorithm used during engine operation.

UNIT I FUNDAMENTALS OF AUTOMOTIVE ELECTRONICS

Components for electronic engine management system, open and closed loop control strategies, PID control, Look up tables, introduction to modern control strategies like Fuzzy logic and adaptive control. Switches, active resistors, Transistors, Current mirrors/amplifiers, Voltage and current references, Comparator, Multiplier. Amplifier, filters, A/D and D/A converters.

UNIT II SENSORS AND ACTUATORS

Inductive, Hall Effect, thermistor, piezo electric, piezo resistive, based sensors. Throttle position, mass air flow, crank shaft position, cam position, engine speed sensor, exhaust oxygen level (two step, linear lambda and wideband), knock, manifold temperature and pressure sensors. Solenoid, relay (four and five pin), stepper motor

UNIT III SI ENGINE MANAGEMENT

Layout and working of SI engine management systems. Group and sequential injection techniques. Advantages of electronic ignition systems. Types of solid-state ignition systems and their principle of operation, Contactless (BREAKERLESS) electronic ignition system, electronic spark timing control.

UNIT IV CI ENGINE MANAGEMENT

Fuel injection system parameters affecting combustion, noise and emissions in CI engines. Electronically controlled Unit Injection system. Common rail fuel injection system. Working of components like fuel injector, fuel pump, rail pressure limiter, flow limiter, EGR valve.

UNIT V DIGITAL ENGINE CONTROL SYSTEM

Cold start and warm up phases, idle speed control, acceleration and full load enrichment, deceleration fuel cutoff. Fuel control maps, open loop and closed loop control – Integrated engine control system, Electromagnetic compatibility – EMI Suppression techniques – Electronic dash board instruments – Onboard diagnosis system.

TOTAL : 45 PERIODS

OUTCOMES:

At the end of the course, the student should able to
 Explain the fundamentals, operation, function of various electronic components, control techniques in an engine management system.
 Explain the fundamentals, operation, function of various sensors and actuators in an engine management system.
 Explain the fundamentals, operation, function of various fuel injection system pertain to a SI Engine.
 Explain the fundamentals, operation, function of various fuel injection system pertain to a CI Engine.
 Explain the control algorithm during various engine operating conditions.

REFERENCES:

1. William B. Ribbens, Understanding Automotive Electronics, Butterworth-Heinemann, Eighth Edition, 2017
2. Tom Denton, Automobile Electrical and Electronic Systems, Taylor & Francis, 5th Ediition, 2018
3. Automobile Electronics by Eric Chowanietz SAE
4. Diesel Engine Management by Robert Bosch, SAE Publications, 3rd Edition, 2004
5. Gasoline Engine Management by Robert Bosch, SAE Publications, 2nd Edition, 2004