MT8801 Automotive Electronics Notes

MT8801 Automotive Electronics Notes
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UNIT I INTRODUCTION

Evolution of electronics in automobiles
emission laws
introduction to Euro I, Euro II, Euro III, Euro IV, Euro V standards
Equivalent Bharat Standards.
Charging systems: Working and design of charging circuit diagram
Alternators
Requirements of starting system
Starter motors and starter circuits.

UNIT II IGNITION AND INJECTION SYSTEMS

Ignition systems: Ignition fundamentals
Electronic ignition systems
Programmed Ignition
Distribution less ignition
Direct ignition
Spark Plugs.
Electronic fuel Control: Basics of combustion
Engine fuelling and exhaust emissions
Electronic control of carburetion
Petrol fuel injection
Diesel fuel injection.

UNIT III SENSOR AND ACTUATORS IN AUTOMOTIVES

Working principle and characteristics of Airflow rate,
Engine crankshaft angular position,
Hall effect,
Throttle angle,
temperature, exhaust gas oxygen sensors
study of fuel injector,
exhaust gas recirculation actuators,
stepper motor actuator,
vacuum operated actuator.

UNIT IV ENGINE CONTROL SYSTEMS

Control modes for fuel control-engine control subsystems
ignition control methodologies
different ECU’s used in the engine management
block diagram of the engine management system.
In vehicle networks: CAN standard,
format of CAN standard
diagnostics systems in modern automobiles.

UNIT V CHASSIS AND SAFETY SYSTEMS

Traction control system
Cruise control system
electronic control of automatic transmission
antilock braking system
electronic suspension system
working of airbag and role of MEMS in airbag systems
centralized door locking system
climate control of cars.

OUTCOMES

After successful completion of this course, the students should be able to

CO1: Know the importance of emission standards in automobiles.
CO2: Understand the electronic fuel injection/ignition components and their function.
CO3: Choose and use sensors and equipment for measuring mechanical quantities, temperature and appropriate actuators.
CO4: Diagnose electronic engine control systems problems with appropriate diagnostic tools.
CO5: Analyses the chassis and vehicle safety system.

TEXT BOOK

  1. Ribbens, “Understanding Automotive Electronics”, 8th Edition, Elsevier, Indian Reprint, 2013

REFERENCES

  1. Barry Hollembeak, “Automotive Electricity, Electronics & Computer Controls”, Delmar Publishers, 2001.
  2. Richard K. Dupuy “Fuel System and Emission controls”, Check Chart Publication, 2000.
  3. Ronald. K. Jurgon, “Automotive Electronics Handbook”, McGraw-Hill, 1999.
  4. Tom Denton, “Automobile Electrical and Electronics Systems”, Edward Arnold Publishers, 2000.