Handling and braking analyses of a heavy vehicle with cross-axle fluidically-coupled suspension

Cao, Dongpu and Rakheja, Subhash and Su, Chun-Yi (2009) Handling and braking analyses of a heavy vehicle with cross-axle fluidically-coupled suspension. SAE International Journal of Commercial Vehicles, 1 (1). pp. 405-416. ISSN 1946-391X

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Abstract

The handling and braking responses of a heavy vehicle equipped with a cross-axle fluidically-coupled hydropneumatic suspension concept are investigated. The proposed fluidically-coupled suspension is conceived by diagonally interconnecting different hydraulic fluid chambers of the four suspension struts of the vehicle. The analytical formulations of suspension forces are derived based on fluid flows through the couplings and damping valves. A generalized full-vehicle model is developed and validated to evaluate the handling and braking responses to two critical vehicle maneuvers: (i) braking-in-a-turn; and (ii) split-μ straight-line braking. The responses of the vehicle model with the coupled suspension are compared with those of the uncoupled suspension under various inputs to demonstrate the potential benefits of the proposed cross-axle fluidic coupling of the suspension struts.

Item Type:
Journal Article
Journal or Publication Title:
SAE International Journal of Commercial Vehicles
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2203
Subjects:
ID Code:
53079
Deposited By:
Deposited On:
09 Mar 2012 02:46
Refereed?:
Yes
Published?:
Published
Last Modified:
02 May 2020 02:45