Contact patch memory of tyres leading to lateral vibrations of four-wheeled vehicles | Zendy

Dénes Takács | Zendy; Gábor Stépàn | Zendy

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Contact patch memory of tyres leading to lateral vibrations of four-wheeled vehicles

Author(s) -

Dénes Takács,

Gábor Stépàn

Publication year - 2013

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2012.0427

Subject(s) - contact patch , vibration , range (aeronautics) , noise (video) , stability (learning theory) , dynamics (music) , scale (ratio) , computer science , speed wobble , acoustics , automotive engineering , control theory (sociology) , physics , aerospace engineering , engineering , materials science , classical mechanics , natural rubber , image (mathematics) , control (management) , quantum mechanics , artificial intelligence , machine learning , tread , composite material

It has been shown recently that the shimmy motion of towed wheels can be predicted in a wide range of parameters by means of the so-called memory effect of tyres. This delay effect is related to the existence of a travelling-wave-like motion of the tyre points in contact with the ground relative to the wheel. This study shows that the dynamics within the small-scale contact patch can have an essential effect on the global dynamics of a four-wheeled automobile on a large scale. The stability charts identify narrow parameter regions of increased fuel consumption and tyre noise with the help of the delay models that are effective tools in dynamical problems through multiple scales.

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