Study of torsional vibrations in the powertrain of diesel locomotive during manoeuvring by means of a multi-body model

被引：4
|
作者：
Collina, Andrea [1 ]
Prone, Luigi [2 ]
Ruspini, Emanuele [1 ]
Sabbioni, Edoardo [1 ]
机构：
[1] Politecn Milan, Dept Mech Engn, I-20158 Milan, Italy
[2] FIREMA Trasporti SpA, I-20156 Milan, Italy
来源：
INTERNATIONAL JOURNAL OF HEAVY VEHICLE SYSTEMS | 2013年 / 20卷 / 02期
关键词：
diesel locomotive; wheel-rail contact; thermal effects; torsional vibrations; multi body simulations; adhesion limit; WHEEL/RAIL CONTACT; RAIL; TEMPERATURE; SIMULATIONS; DYNAMICS;
D O I：
10.1504/IJHVS.2013.053008
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Torsional oscillations in the driveline of heavy-duty locomotives, equipped with mechanically interconnected axles, are analysed in this paper. In order to reproduce the experimentally observed behaviour, a multi-body vehicle model has been implemented taking into account torsional deformability of the driveline and of the wheelsets. An extension of the Shen-Hedrick-Elkins model, based on a temperature dependent friction coefficient, is proposed for reproducing the negative slope of the creep force-creep curve experimentally measured at high creepages, occurring during manoeuvres at adhesion limit. The proposed contact model enables to reproduce the torque oscillations in the driveline during manoeuvres at adhesion limit.
引用
收藏
页码：120 / 143
页数：24
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