A dynamic model of a pantograph-catenary system is established. In the model, motion of the pantograph is coupled with that of the catenary by friction. Stability of the pantograph-catenary system is studied using the finite element complex eigenvalue method. Numerical results show that there is a strong propensity of self-excited vibration of the pantograph-catenary system when the friction coefficient is greater than 0.1. The dynamic transient analysis results show that the self-excited vibration of the pantograph-catenary system can affect the contact condition between the pantograph and catenary. If the amplitude of the self-excited vibration is strong enough, the contact may even get lost. Parameter sensitivity analysis shows that the coefficient of friction, static lift force, pan-head suspension spring stiffness, tension of contact wire, and the spatial location of pantograph have important influences on the friction-induced, self-excited vibration of the pantograph-catenary system. Bringing the friction coefficient below a certain level and choosing a suitable static lift force can suppress or eliminate the contact loss between the pantograph and catenary.
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Tribology Research Institute,
Southwest Jiaotong University,
University of Liverpool,
Brownlow Street,
e-mail: H.Ouyang@liverpool.ac.uk
Tribology Research Institute,
Southwest Jiaotong University,
Article navigation
October 2013
Research-Article
Friction-Induced, Self-Excited Vibration of a Pantograph-Catenary System
G. X. Chen,
G. X. Chen
1
e-mail: chen_guangx@163.com
1Corresponding author.
Search for other works by this author on:
W. H. Zhang,
Tribology Research Institute,
Southwest Jiaotong University,
W. H. Zhang
State Key Laboratory of Traction Power
,Tribology Research Institute,
Southwest Jiaotong University,
Chengdu 610031
, China
Search for other works by this author on:
H. Ouyang,
University of Liverpool,
Brownlow Street,
e-mail: H.Ouyang@liverpool.ac.uk
H. Ouyang
School of Engineering
,University of Liverpool,
Brownlow Street,
Liverpool L69 3GH
, UK
e-mail: H.Ouyang@liverpool.ac.uk
Search for other works by this author on:
Z. R. Zhou
Tribology Research Institute,
Southwest Jiaotong University,
Z. R. Zhou
State Key Laboratory of Traction Power
,Tribology Research Institute,
Southwest Jiaotong University,
Chengdu 610031
, China
Search for other works by this author on:
G. X. Chen
e-mail: chen_guangx@163.com
W. H. Zhang
State Key Laboratory of Traction Power
,Tribology Research Institute,
Southwest Jiaotong University,
Chengdu 610031
, China
H. Ouyang
School of Engineering
,University of Liverpool,
Brownlow Street,
Liverpool L69 3GH
, UK
e-mail: H.Ouyang@liverpool.ac.uk
Z. R. Zhou
State Key Laboratory of Traction Power
,Tribology Research Institute,
Southwest Jiaotong University,
Chengdu 610031
, China
1Corresponding author.
Contributed by the Design Engineering Division of ASME for publication in the Journal of Vibration and Acoustics. Manuscript received May 8, 2012; final manuscript received March 8, 2013; published online June 18, 2013. Assoc. Editor: Brian P. Mann.
J. Vib. Acoust. Oct 2013, 135(5): 051021 (8 pages)
Published Online: June 18, 2013
Article history
Received:
May 8, 2012
Revision Received:
March 8, 2013
Citation
Qian, W. J., Chen, G. X., Zhang, W. H., Ouyang, H., and Zhou, Z. R. (June 18, 2013). "Friction-Induced, Self-Excited Vibration of a Pantograph-Catenary System." ASME. J. Vib. Acoust. October 2013; 135(5): 051021. https://doi.org/10.1115/1.4023999
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