Wednesday, 7 November 2012

Modelling & development of antilock braking system


Bhivate, Parth (2011) Modelling & development of antilock braking system. BTech thesis.

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Abstract

Antilock braking systems are used in modern cars to prevent the wheels from locking after brakes are applied. The dynamics of the controller needed for antilock braking system depends on various factors. The vehicle model often is in nonlinear form. Controller needs to provide a controlled torque necessary to maintain optimum value of the wheel slip ratio. The slip ratio is represented in terms of vehicle speed and wheel rotation.
In present work first of all system dynamic equations are explained and a slip ratio is expressed in terms of system variables namely vehicle linear velocity and angular velocity of the wheel. By applying a bias braking force system, response is obtained using Simulink models. Using the linear control strategies like P - type, PD - type, PI - type, PID - type the effectiveness of maintaining desired slip ratio is tested. It is always observed that a steady state error of 10% occurring in all the control system models.
Item Type:Thesis (BTech)
Uncontrolled Keywords:Antilock Braking System, PID controller, Simulink
Subjects:Engineering and Technology > Mechanical Engineering > Automobile Engineering
Engineering and Technology > Mechanical Engineering > Mechatronics
Divisions:Engineering and Technology > Department of Mechanical Engineering
ID Code:2644
Deposited By:Parth Bhivate
Deposited On:19 May 2011 21:23
Last Modified:19 May 2011 21:23
Supervisor(s):Srinivas, J

Shiva Shankar

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