Motion analysis of a motorcycle taking into account the rider's effects

Shaopeng Zhu, Shintaroh Murakami, Hidekazu Nishimura

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this paper, to analyse the rider's effects on the motion of a motorcycle, we model a rider-motorcycle system by taking into account the leaning motion of the rider's upper torso and his/her arm connection with the handlebars. The nonlinearity of the tyre force is introduced by utilising hyperbolic tangent functions to approximate a Magic Formula tyre model. On the basis of a derived nonlinear state-space model, we analyse the effects of not only the rider's arms but also his/her postures during steady turning by simulations. The rider's postures including lean-with, lean-in and lean-out are realised by adding the lean torque to the rider's upper torso. The motorcycle motion and the rider's effects are analysed in the case where the friction coefficient of the road surface changes severely during steady turning. In addition, a linearised state-space model is derived during steady turning, and a stability analysis of the rider-motorcycle system is performed.

Original languageEnglish
Pages (from-to)1225-1245
Number of pages21
JournalVehicle System Dynamics
Volume50
Issue number8
DOIs
Publication statusPublished - 2012 Aug 1

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Motorcycles
Tires
Hyperbolic functions
Torque
Friction
Motion analysis

Keywords

  • modelling
  • motion analysis
  • rider's posture (lean-in/lean-with/lean-out)
  • rider-motorcycle system
  • stability analysis

ASJC Scopus subject areas

  • Automotive Engineering
  • Mechanical Engineering
  • Safety, Risk, Reliability and Quality

Cite this

Motion analysis of a motorcycle taking into account the rider's effects. / Zhu, Shaopeng; Murakami, Shintaroh; Nishimura, Hidekazu.

In: Vehicle System Dynamics, Vol. 50, No. 8, 01.08.2012, p. 1225-1245.

Research output: Contribution to journalArticle

Zhu, Shaopeng ; Murakami, Shintaroh ; Nishimura, Hidekazu. / Motion analysis of a motorcycle taking into account the rider's effects. In: Vehicle System Dynamics. 2012 ; Vol. 50, No. 8. pp. 1225-1245.
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