Approximation of force and energy in vehicle crash using LPV type description

  • Authors:
  • István Á. Harmati;András Rövid;Péter Várlaki

  • Affiliations:
  • Széchenyi István University, Dept. of Mathematics and Computational Sciences, Györ, Hungary;Óbuda University, John von Neumann Faculty of Informatics, Budapest, Hungary;Budapest University of Technology and Economics, Dept. of Chassis and Lightweight Structures, Budapest, Hungary

  • Venue:
  • WSEAS TRANSACTIONS on SYSTEMS
  • Year:
  • 2010

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Abstract

In accident analysis, vehicle crash mechanics and vehicle safety research modeling of the deformational force and absorbed energy plays a crucial role. The usually applied FEM based methods give good approximations, but they have extremely large computational complexity and require a detailed knowledge about the parameteres of the crash and the vehicle. There are simpler models, but they not give satisfactory approximation. In this paper using the LPV-HOSVD paradigm we introduce a model for vehicle deformation process, which well approximates the deformation force and the absorbed energy, moreover it has acceptable computational complexity.