DESIGN ANALYSIS AND OPTIMIZATION OF STEERING SYSTEMS
Author(s):
Viplav Bhagat, Avinash Desai, Shruti Sankpal
ISSN:
2349-6002
Cite This Article:
DESIGN ANALYSIS AND OPTIMIZATION OF STEERING SYSTEMS International Journal of Innovative Research in Technology(www.ijirt.org) ,ISSN: 2349-6002 ,Volume 6 ,Issue 8 ,Page(s):19-27 ,December 2019 ,Available :IJIRT148919_PAPER.pdf
Keywords:
Ackerman steering geometry, Caster, Camber, CATIA V5R20, Instantaneous Centre (ICR), KPI, LOTUS SHARK V4, Wheel geometry, Scrub radius, Toe in/out.
Abstract
There are various suspension geometry that can be consider commercial vehicle. Macpherson strut suspension is one of those which are widely used. Since the Macpherson type of suspension with A-arm system consists of several connected parts, the dimensions of each member play a vital role in the variation of steering and suspension angles. In this study, importance has been given to the optimization of suspension geometry and obtaining the optimum locations of the mounting points i.e. hard points of the suspension geometry. A Macpherson strut suspension (front suspension) with A-arm was optimised in Lotus Shark software to obtain the most appropriate locations of the hard points. The main function of steering system in the vehicle is to maneuver both the wheels in desired direction and support the suspension links in riding/static condition. Steering system works along with suspension system. During optimization work of front geometry in vehicle, we have to match steering points and suspension points together to meet at the same Instantaneous Centre (ICR). It is necessary to meet ICR to avoid bump steer and roll steer during riding condition of vehicle. Bump steer is defined as unwanted steer when the vehicle goes in bump condition and roll steer is defined as unwanted steer when the vehicle goes in rolling condition. The other important factors pertaining to the wheel geometry like the caster, camber, toe in and out, scrub radius all depend on the steering geometry. Also, the tire wear is dependent on the steering geometry. To avoid all the problems occurring due to improper geometry and meet required performance parameters, we have to optimize front wheel steering geometry using LOTUS SHARK V4 software.
Article Details
Unique Paper ID: 148919

Publication Volume & Issue: Volume 6, Issue 8

Page(s): 19 - 27
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Volume 6 Issue 8

Last Date 25 January 2020


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