Effect of driving conditions and suspension parameters on dynamic load-sharing of longitudinal-connected air suspensions

Chen, Yi Kai, He, Jie, King, Mark J., Chen, Wu Wei, & Zhang, Wei Hua (2013) Effect of driving conditions and suspension parameters on dynamic load-sharing of longitudinal-connected air suspensions. Science China Technological Sciences, 56(3), pp. 666-676.

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Abstract

The objective of this research was to investigate the effects of driving conditions and suspension parameters on dynamic load-sharing of longitudinal-connected air suspensions of a tri-axle semi-trailer. A novel nonlinear model of a multi-axle semi-trailer with longitudinal-connected air suspension was formulated based on fluid mechanics and thermodynamics and was validated through test results. The effects of driving conditions and suspension parameters on dynamic load-sharing and road-friendliness of the semi-trailer were analyzed. Simulation results indicate that the road-friendliness metric-DLC (dynamic load coefficient) is not always in accordance with the load-sharing metric-DLSC (dynamic load-sharing coefficient). The effect of employing larger air lines and connectors on the DLSC optimization ratio gives varying results as road roughness increases and as driving speed increases. When the vehicle load reduces, or the static pressure increases, the DLSC optimization ratio declines monotonically. The results also indicate that if the air line diameter is always assumed to be larger than the connector diameter, the influence of air line diameter on load-sharing is more significant than that of the connector.

Impact and interest:

4 citations in Scopus
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3 citations in Web of Science®

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102 since deposited on 02 Apr 2013
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ID Code: 58799
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: driving condition, dynamic load-sharing, longitudinal-connected air suspension, heavy truck
DOI: 10.1007/s11431-012-5091-3
ISSN: 1869-1900 (online) 1674-7321 (print)
Divisions: Current > Research Centres > Centre for Accident Research & Road Safety - Qld (CARRS-Q)
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2012 Science China Press and Springer-Verlag Berlin Heidelberg
Copyright Statement: Open access
Deposited On: 02 Apr 2013 00:18
Last Modified: 06 Dec 2013 06:43

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