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Journal ArticleDOI

The magic formula tyre model

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.

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Citations
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Proceedings ArticleDOI

Modeling and parameters sensitivity analysis of lightweight vehicles considering payload variations

TL;DR: In this article, a 6 degree-of-freedom lightweight vehicle model considering payload variations is presented, which is then compared with those with and without payload in order to analyze the effect of payload changes, the sensitivity of vehicle state parameters is simulated with direct method.

Study on Influences of Rear-Wheel Turn Angle to Performance of Four Wheel Steering (4WS) Vehicle

TL;DR: The study includes few critical parameters that are necessary to evaluate how the rear-wheel turn angle affects the vehicle’s performances by comparing those findings between 4WS and 2WS vehicles.
Proceedings ArticleDOI

Nonlinear model predictive slip control based on vertical suspension system for an in-wheel-motored electric vehicle

TL;DR: In this paper, the authors presented a slip controller based on vertical suspension system for the electric vehicle equipped with four in-wheel motors, which is established by adding the vertical force analysis on basis of the longitudinal motion model, is a four degrees of freedom model.
Proceedings ArticleDOI

Development and control for front-wheel drive in-wheel motor electric vehicles

TL;DR: This study verifies that the traction control based on maximum torque regulation can not only constrain the slip to improve the longitudinal friction force and lateral friction force, but also provide some information on tire-road conditions, which can ensure the performance and the effectiveness of two-dimensional motion control.
References
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Journal ArticleDOI

Shear Force Development by Pneumatic Tyres in Steady State Conditions: A Review of Modelling Aspects

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, +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

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.