Investigation into untripped rollover of light vehicles in the modified fishhook and the sine manoeuvres, part II: effects of vehicle inertia property, suspension and tyre characteristics

被引:10
作者
Dong, Guang-Ming [2 ]
Zhang, Nong [1 ]
Du, Hai-Ping [3 ]
机构
[1] Univ Technol Sydney, Fac Engn, Broadway, NSW 2007, Australia
[2] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200030, Peoples R China
[3] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Wollongong, NSW 2522, Australia
基金
澳大利亚研究理事会;
关键词
untripped vehicle rollover; light vehicle; parametric study; inertia property; suspension characteristics; tyre characteristics; PARAMETERS; DYNAMICS; MODEL;
D O I
10.1080/00423114.2010.504855
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
In this paper, as a continuation of part I of [N. Zhang, G.M. Dong, and H.P. Du, Investigation into untripped rollover of light vehicles in the modified fishhook and the sine manoeuvres, part I: vehicle modelling, roll and yaw instability, Veh. Syst. Dyn. 46 (2008), pp. 271-293], detailed parametric studies are conducted and compared between the fishhook and sine manoeuvres using the presented nine-degree-of-freedom vehicle model, in order to understand the rollover resistance capability of a light passenger vehicle with various parameters. First, effects of driving conditions are studied in the two manoeuvres. Secondly, effects of suspension characteristics are studied, in which the influence of suspension spring stiffness and shock absorber damping, anti-roll bar is discussed. Thirdly, effects of vehicle inertia properties, such as moment of inertia of vehicle sprung mass, sprung mass weight and location of centre of gravity, are investigated. Finally, effects of tyre characteristics are also investigated by altering the scaling factor Fz0. An in-depth understanding has been gained on the significant effects of key system parameters on the kinetic performance of vehicles under the fishhook and the sine manoeuvres. Parametric studies show that the combination of step input (fishhook) and frequency input gives a clear indication of the vehicle dynamic stability during cornering.
引用
收藏
页码:949 / 968
页数:20
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