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A low parameter tyre model for aircraft ground dynamic simulation

Wood, G. ; Blundell, M. ; Sharma, S.

Materials in engineering, 2012-03, Vol.35, p.820-832 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    A low parameter tyre model for aircraft ground dynamic simulation
  • Autor: Wood, G. ; Blundell, M. ; Sharma, S.
  • Assuntos: A. Elastomers and rubbers ; E. Mechanical ; F. Elastic behaviour
  • É parte de: Materials in engineering, 2012-03, Vol.35, p.820-832
  • Descrição: The work presented in this paper describes a new low parameter mathematical model representing the force and moment components generated in an aircraft tyre for use in the computer simulation of takeoff, landing and taxiing manoeuvres of an aircraft. As such the problems addressed fall in the area of ground vehicle dynamics and the modelling of the tyre presents similar challenges to those involved in modelling automotive tyres, albeit on a much larger scale in terms of the size and the loads on the tyre. The model has been implemented in the Matlab/Simulink environment and designed to run initially with aircraft models defined by the industry standard multi-body systems program MSC.ADAMSTM. An overview is provided of current automotive and aircraft tyre models along with a critique of the application and capabilities of these existing models for aircraft simulation. The need for a model which can be used to fit the limited range of data available for aircraft tyres, compared with automotive tyres, is also discussed. The proposed low parameter tyre model (LPTM) uses a small set of model parameters that can be obtained without recourse to special software and can be easily manipulated to fit the model to available tyre test data. The model has been exercised and compared with two existing tyre models, using a multi-body computer model of a tyre test machine and has been shown to produce improved predictions of the important forces and moments generated in a tyre contact patch when validated against test data. The evaluation at this stage is related to the tyre characteristics needed to simulate vehicle braking and cornering manoeuvres and the validation is against available test data for the lateral force and aligning moment arising due to slip angle.
  • Editor: Elsevier Ltd
  • Idioma: Inglês
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