Model development and dynamic load-sharing analysis of longitudinal-connected air suspensions
Chen, Yikai, He, Jie, King, Mark J., Chen, Wuwei, Wang, Changjun, & Zhang, Weihua (2013) Model development and dynamic load-sharing analysis of longitudinal-connected air suspensions. Strojniški vestnik – Journal of Mechanical Engineering, 59(1), pp. 14-24.
The objective of this research was to investigate the effect of 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 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 generally in accordance with the load-sharing metric - DLSC (Dynamic Load Sharing Coefficient). When the static height or static pressure increases, the DLSC optimization ratio declines monotonically. 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. 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.
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|Item Type:||Journal Article|
|Keywords:||modeling, driving condition, dynamic load-sharing, longitudinal-connected, air suspension, heavy truck|
|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 Univerza v Ljubljani * Fakulteta za Strojnistvo|
|Deposited On:||02 Jan 2013 05:16|
|Last Modified:||21 May 2013 20:04|
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