Title: Design and control of variable braking force system on a two wheeler

Authors: V. Ganesh; J. Janci Rani

Addresses: Department of Automobile Engineering, Sri Venkateswara College of Engineering, PB No. 3, Pennalur, Sriperumbudur – 602 105, Tamil Nadu, India ' Department of Automobile Engineering, Madras Institute of Technology, MIT Campus, Anna University, Chennai

Abstract: In this work, a variable braking force system is designed and applied to a motorcycle rear wheel to control maximum braking force. The centre of gravity of the motorcycle is measured. Subsequently, an optimum disc radius is found out based on pillion load and motorcycle geometry. A load cell which is used to measure the pillion load sends a signal to a controller to activate the stepper motor for varying the position of calliper thereby effective disc radius is changed. An experiment reveals that the stopping distance of the motorcycle gets reduced if it is compared with conventional braking system.

Keywords: variable braking force; two-wheeler vehicles; disc radius; stopping distance; motorcycles; motorbikes; rear wheels; pillion load; motorcycle geometry; stepper motors; motorcycle braking.

DOI: 10.1504/IJVD.2012.050087

International Journal of Vehicle Design, 2012 Vol.60 No.3/4, pp.327 - 349

Received: 05 Apr 2011
Accepted: 19 Nov 2011

Published online: 29 Oct 2012 *

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