Modelling and dynamic analysis of vehicles based on discrete constraints

Ke Shao, Kang Huang, Songlin Duan, Shengchao Zhen, Feng Gao

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In this paper, a novel approach to modelling and dynamic analysis of full vehicle is proposed based on Udwadia-Kalaba theory. Because the vehicle is hierarchically modelled by using this approach, this approach is easily processed when handling the modelling of many-degrees-of-freedom vehicle. Also, the analytical dynamic model based on this approach is free of calculation of Lagrangian multiplier as used in the Lagrangian equation. To verify this approach, a 15 DOF vehicle is modelled in this paper by using Udwadia-Kalaba theory. Four tyres' displacement is exerted and the vertical dynamic behaviour of each subsystem is simulated and analysed in MATLAB. By solving Udwadia-Kalaba equation, the response of each subsystem is acquired. The simulation result is well coincident with that of the Lagrangian model, which verifies the proposed approach.

Original languageEnglish
Pages (from-to)23-46
Number of pages24
JournalInternational Journal of Vehicle Design
Volume75
Issue number1-4
DOIs
StatePublished - 2017
Externally publishedYes

Keywords

  • Dynamic behaviour
  • Full vehicle
  • Mechanics analysis
  • Subsystem
  • Udwadia-Kalaba theory

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