Technology has been developing at a very tremendous pace to improve the safety and comfort of the people and when
it comes to luxury and comfort, automobiles section is one of the common topic of interest, the most trending among
this section is the “Four Wheel Drive (4WD) system” which has become more advanced and sophisticated with time. It
has become an essential and appealing part of automobiles in today's era. This system has made the vehicles more
secure, both off-road and on-road, enhanced traction of the wheels and power delivery of the engine. With the
manipulation in the fundamental structure of a 4WD, various other 4WD options have become available, suiting
different types of lifestyle and environment. This paper attempts to explain the different types of 4WD system, their
basic structure, basic vehicle dynamics affecting the traction control system and provide a conclusion on various
philosophies that the 4WD system adhere.
Four-Wheel Drive System: Architecture, Basic Vehicle Dynamics and Traction*
