Journal ArticleDOI
The magic formula tyre model
Hans B. Pacejka,Egbert Bakker +1 more
TLDR
The Magic Formula model as mentioned in this paper provides a set of mathematical formulae from which the forces and moment acting from road to tyre can be calculated at longitudinal, lateral and camber slip conditions, which may occur simultaneously.Abstract:
An account is given of the latest version 3 of the Magic Formula tyre model. The model provides a set of mathematical formulae from which the forces and moment acting from road to tyre can be calculated at longitudinal, lateral and camber slip conditions, which may occur simultaneously. The model aims at an accurate description of measured steady-state tyre behaviour. The coefficients of the basic formula represent typifying quantities of the tyre characteristic. By selecting proper values, the characteristics for either side force, aligning torque or fore and aft force can be obtained. The new version of the model contains physically based formulations to avoid the introduction of correction factors. Double-sided, possibly non-symmetric pure slip curves are employed as the basis for combined slip calculations. Suggestions are given to estimate the driving part of the longitudinal slip curve and to represent the characteristic at rolling backwards.read more
Citations
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Proceedings ArticleDOI
State and maximum friction coefficient estimation in vehicle dynamics using UKF
TL;DR: A simultaneous online estimation of the vehicle's state and maximum friction coefficient is presented using a joint Unscented Kalman Filter and validated by comparing to measurements taken on a Volkswagen Golf GTE Plug-In Hybrid and offline identified values, respectively.
Journal ArticleDOI
On the construction of a general numerical tyre shear force model from limited data
R S Sharp,M Bettella +1 more
TL;DR: In this paper, the extension of very limited tyre shear force and moment measured results to allow the modelling and simulation of quite general motions of automobiles is discussed, and a recently devised algorithm that has its basis in magic formula and parameter normalization methods is devised for determining the necessary parameter values of the algorithm.
Journal ArticleDOI
Measurement of wheelchair contact force with a low cost bench test.
Ludmila C. A. Silva,Franco Giuseppe Dedini,Fernanda Cristina Corrêa,Jony Javorski Eckert,Marcelo Becker +4 more
TL;DR: Preliminary experiments performed using the test bench have shown that it is able to monitor and measure the forces generated by the contact between the tire and the ground.
Journal ArticleDOI
Traction Control for Front-Wheel-Drive Vehicles
TL;DR: In this paper, a non-linear control algorithm is proposed in order to enhance the driveability of two-wheel-drive automobiles fitted with a traction control system, and numerical computations show that the active safety of such automobiles could be considerably enhanced with respect to that of conventional ones.
Book ChapterDOI
Real-Time Multibody Dynamics and Applications
TL;DR: Two variants of a real-time formalism, capable of performing very fast calculations of the dynamics of complex multibody systems are presented, which can be used to develop practical industrial applications.
References
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Proceedings ArticleDOI
A New Tire Model with an Application in Vehicle Dynamics Studies
Journal ArticleDOI
Shear Force Development by Pneumatic Tyres in Steady State Conditions: A Review of Modelling Aspects
Hans B. Pacejka,Robin S. Sharp +1 more
TL;DR: In this article, a review of the generation of shear forces by pneumatic tyres under steady state conditions is presented, in a practical context, through reference to the uses to which models may be put by the vehicle dynamicist and the tyre designer.
Determination of magic tyre model parameters
Jjm Van Oosten,E. Bakker +1 more
TL;DR: In this paper, a set of MAGIC TYRE FORMULA PARAMETERS out of the DELFT TYRE MEASUREMENT TRAILER is compared to the "MONTE CARLO" version of the model.
Determination of Magic Formula tyre model parameters
J.J.M. van Oosten,E. Bakker +1 more
TL;DR: In this article, the Magic Formula Tyre Model is compared with the Monte Carlo version of the model and the comparison between the two versions shows that the latest version results in better fitting results especially for camber influences and (even more important) in an improvement on the fitting process.