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Model development and dynamic load-sharing analysis of longitudinal-connected air suspensions
Chen, Yikai (Author), He, Jie (Author), King, Mark (Author), Wuwei, Chen (Author), Wang, Changjun (Author), Zhang, Weihua (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-RKN06TCT This link opens in a new window

Abstract
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 loadsharing is more significant than that of the connector.

Language:English
Keywords:modeliranje, vozni pogoji, dinamično porazdeljevanje obremenitev, vzdolžna povezanost, zračno vzmetenje, tovorna vozila, modeling, driving condition, dynamic load-sharing, longitudinal connection, air suspension, heavy trucks
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2013
Number of pages:str. 14-24, SI 4
Numbering:Vol. 59, no. 1
UDC:629.3.02
ISSN on article:0039-2480
DOI:10.5545/sv-jme.2012.755 Link is opened in a new window
COBISS.SI-ID:13067803 Link is opened in a new window
Views:841
Downloads:241
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 This link opens in a new window

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