Load-sharing in heavy vehicle suspensions : new metrics for old
Davis, Lloyd E. & Bunker, Jonathan M. (2009) Load-sharing in heavy vehicle suspensions : new metrics for old. In Proceedings of the Second Infrastructure Theme Postgraduate Conference, Queensland University of Technology, Queensland University of Technology, Brisbane, Qld.
Dynamic load sharing can be defined as a measure of the ability of a heavy vehicle multi-axle group to equalise load across its wheels under typical travel conditions; i.e. in the dynamic sense at typical travel speeds and operating conditions of that vehicle. Various attempts have been made to quantify the ability of heavy vehicles to equalise the load across their wheels during travel. One of these was the concept of the load sharing coefficient (LSC). Other metrics such as the dynamic load coefficient (DLC), peak dynamic wheel force (PDWF) and dynamic impact force (DIF) have been used to compare one heavy vehicle suspension with another for potential road damage. This paper compares these metrics and determines a relationship between DLC and LSC with sensitivity analysis of this relationship. The shortcomings of the presently-available metrics are discussed with a new metric proposed - the dynamic load equalisation (DLE) measure.
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|Item Type:||Conference Paper|
|Keywords:||heavy vehicle, suspension, dynamic load sharing|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Infrastructure Engineering and Asset Management (090505)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Transport Engineering (090507)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2009 Queensland University of Technology|
|Deposited On:||12 Apr 2011 22:35|
|Last Modified:||16 Apr 2011 20:18|
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