Force and Moment Characteristics of Rolling Tires

Nordeen, Donald L.; Cortese, Anthony D.

doi:10.4271/640028

Cited by 41 publications

(8 citation statements)

References 3 publications

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“…To show that this can be done with the tyre model proposed in this paper, lateral force versus slip angle and normal force results are compared with those given by Nordeen and Cortese [18]. The data are given for three values of normal force between 600 and 1400 lbf.…”

Section: Example 1: Force Versus Slip Angle Carpet Plotmentioning

confidence: 95%

“…6. Small discrepancies can be attributed to the fact that the curve fitting was done with data points scaled from the original figure given in reference [18]. Using the exact numerical data and a more rigorous curve-fitting procedure would lead to a better fit between the two sets of results.…”

Section: Example 1: Force Versus Slip Angle Carpet Plotmentioning

confidence: 97%

“…This coefficient is a function of the normal force on the tyre and is chosen such that there is good correlation with experimental force±slip angle measurements at the largest slip angles [8]. The î intercept is then chosen to ensure that the lateral force at small slip angles is linear and not a function of the normal force [18]. In this manner, using an extremely simple curve-fitting technique, the following relations for the î and ç intercepts on the limit surface of Fig.…”

Section: Example 1: Force Versus Slip Angle Carpet Plotmentioning

confidence: 98%

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Vehicle dynamics using a limit surface treatment of the tyre-road interface

DiMaggio

Bieniek

1998

Proceedings of the Institution of Mechanical Engineers, Part D:

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A new method of dealing with the force-producing mechanism at the tyre±road interface is presented. The tyre model consists of a representation of the tyre elasticity and the relations between the interface forces and the contact patch displacement. These relations are described in terms of the`tyre limit surface'. The model appears to be capable of reproducing the tyre behaviour under both free-rolling and fully locked wheel conditions. A satisfactory agreement has been obtained between the available experimental data on the force versus slip parameters and the predictions of the present model. Applications to two problems of vehicle dynamics, oversteer versus understeer behaviour and motion with locked rear wheels, are presented.

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Section: Example 1: Force Versus Slip Angle Carpet Plotmentioning

confidence: 95%

Section: Example 1: Force Versus Slip Angle Carpet Plotmentioning

confidence: 97%

Section: Example 1: Force Versus Slip Angle Carpet Plotmentioning

confidence: 98%

See 1 more Smart Citation

Vehicle dynamics using a limit surface treatment of the tyre-road interface

DiMaggio

Bieniek

1998

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…An interpolation routine is then employed within a handling analysis to extract the tyre forces and moments under given simulation conditions. Although Fonda [81] and Nordeen and Cortese [82] have shown that all tyre forces and moments can be measured for dierent in¯ation pressures, camber and slip angles, the range of loading conditions, especially at high loads, is insucient to cover the full range of data required for vehicle handling simulation studies. This shortcoming has led to the development of empirical formulae that can be used for tyre representation under all loading conditions.…”

Section: Tyre Modelsmentioning

confidence: 99%

Multi-body dynamics: Historical evolution and application

Rahnejat

2000

Proceedings of the Institution of Mechanical Engineers, Part C:

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The historical developments in the discipline of engineering dynamics are brie¯y reviewed, with attention paid to the formulation and solution of the dynamic behaviour of multi-body systems. It is shown that the dynamic characteristics of practical multi-body systems are dependent upon the interactions of many physical phenomena that can induce, restrain or constrain motion of parts. The long process of understanding and formulating the physics of multi-body motions, in some cases with pioneering contributions centuries old, together with continual re®nements in numerical techniques and enhanced computing power has resulted in the solution of quite complex and practical engineering problems. Linking the historical developments to the fundamental physical phenomena and their interactions, the paper presents solutions to two complex multi-body dynamic problems. The practical implications of the approach in design of these systems are highlighted.

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“…transient bicycle model. At low speeds, due to geometry of wheelbase the tires do not need to develop lateral forces because they just roll without slip angle (Wong 2008) so the average steering angle of the front wheels is equal to Ackerman angle (SAE International 2008;Nordeen, Cortese 1964) …”

Section: Vehicle Dynamic Modelsmentioning

confidence: 99%

Detection and analysis of hazardous locations on roads: a case study of the Croatian motorway A1

Cvitanić

Vukoje

2017

Transport

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Abstract. The present paper describes research undertaken to identify causes underlying single-vehicle accidents (in terms of road design, driver behaviour and vehicle handling characteristics), which continuously happen in one specific section of Croatian motorway A1. The research resulted in a proposed procedure for a detection of hazardous locations on motorways and analysis of possible causes of single-vehicle accidents. The main part of the procedure involves test-rides with a vehicle equipped with devices (a ball bank indicator and a GPS data logger), which collect data on driver's behaviour and vehicle handling characteristics (position, speed, longitudinal and lateral acceleration, heading, path radius, etc.). Despite the fact that the motorway was designed in accordance with the design guidelines, test rides performed by higher operating speeds identified two locations with a lateral acceleration change a few times higher than the design value. The collected data are then used for analysing hypotheses about the possible causes of accidents by using a vehicle dynamic model. The hypothesis that a sudden change in lateral acceleration could result in a driver's inadequate manoeuvre like braking and cause a vehicle accident was analysed with a transient bicycle model. The results of test rides and the transient bicycle model indicate that speed, intensity of deceleration and underinflated tires significantly affect the probability of a single-vehicle accident.

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Force and Moment Characteristics of Rolling Tires

Cited by 41 publications

References 3 publications

Vehicle dynamics using a limit surface treatment of the tyre-road interface

Vehicle dynamics using a limit surface treatment of the tyre-road interface

Multi-body dynamics: Historical evolution and application

Detection and analysis of hazardous locations on roads: a case study of the Croatian motorway A1

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