Optimisation of an inter-vehicle damper for a high-speed train

There are excessive inter-car lateral vibrations of the current Chinese CRH₁ high-speed train, so it is meaningful to improve the high-speed train dynamics by optimising its inter-vehicle suspension. Multi-body system (MBS) dynamics modelling of CRH₁ high-speed train with inter-vehicle suspension was first performed in this study, then the MBS model was used to analyse the influential mechanism and the quantitative effects of inter-vehicle damper parameters on vehicle system dynamics, the design of experiment (DOE) approach was finally applied to optimise the inter-vehicle damper parameters. Simulation results showed that after the optimisation, there was a significant reduction in the inter-car lateral accelerations of CRH₁ with a maximum rate of 20.1%, in addition, the severe lateral shock and oscillation, especially car roll acceleration, that are induced by aerodynamics when two high-speed trains pass each other were significantly suppressed with a maximum rate of 25%. Thus, the developed MBS model and the obtained optimisation result provide the basis for an engineering solution of the problem of excessive inter-car lateral vibrations of CRH₁, the obtained knowledge of inter-vehicle damper parameter effects on high-speed train dynamics are valuable in the context of development of inter-vehicle suspensions for high-speed trains.

• Record URL:
  • https://doi.org/10.1080/00423114.2024.2302490
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00423114
• Supplemental Notes:
  • © 2024 Informa UK Limited, trading as Taylor & Francis Group. Abstract reprinted with permission of Taylor & Francis.
• Authors:
  • Wang, Wenlin
  • 0000-0003-2146-6697
  • Wu, Zhongfa
  • Liu, Shiping
  • Wu, Yongming
• Publication Date: 2024-10

Language

• English

Media Info

• Media Type: Web
• Features: References;
• Pagination: pp 2703-2728
• Serial:
  • Vehicle System Dynamics
  • Volume: 62
  • Issue Number: 10
  • Publisher: Taylor & Francis
  • ISSN: 0042-3114
  • EISSN: 1744-5159
  • Serial URL: https://www.tandfonline.com/toc/nvsd20/current

Subject/Index Terms

• TRT Terms: Dampers; Damping (Physics); High speed rail; Mechanical vibration; Optimization; Train track dynamics
• Identifier Terms: Multibody System (MBS)
• Geographic Terms: China
• Subject Areas: Railroads; Vehicles and Equipment;

Filing Info

• Accession Number: 01934497
• Record Type: Publication
• Files: TRIS
• Created Date: Oct 21 2024 8:46AM