Effect of Steering System Compliance on Steered Axle Tire Wear

Singh, S. K.; Hiremath, Vijay; Ojha, Vijay Kumar; Jadhav, Narayan

doi:10.4271/2012-01-1909

Cited by 4 publications

(3 citation statements)

References 3 publications

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“…Furthermore, different approaches can also be applied, which cover heuristics optimizers, multistrategy optimizers, evolutionary algorithms, and gradient-based algorithms. An in-depth explanation of such approaches can be found in 29 . In addition, since the methodology entails the design of 3D mechanical components, full vehicle kinematics and dynamics and the calculation of stresses and deformations of mechanical components using the finite element method (FEM), the reader is referred to the specialized literature and software user documentation for a detailed explanation of the underlying multiphysics processes, theory and modeling aspects of the embedded engineering tools.…”

Section: Methodsmentioning

confidence: 99%

“…Moreover, a methodology was proposed for fine tuning the design and dimensions of the steering linkages with the aim to minimize the steering effort while satisfying the imposed restrictions on the hardpoint locations. The repercussion of dynamic load changes on the vehicle steering geometry and the resulting non-uniform tire wear of the front steered wheels was also investigated 29 . The optimal kinematic design of a multi-link steering system for a bus independent suspension was achieved by means of the application of Response Surface Methodology (RSM) 30 .…”

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confidence: 99%

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Multiobjective optimization framework for designing a steering system considering structural features and full vehicle dynamics

Llopis-Albert,

Rubio,

Devece

et al. 2023

Sci Rep

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Vehicle handling and stability performance and ride comfort is normally assessed through standard field test procedures, which are time consuming and expensive. However, the rapid development of digital technologies in the automotive industry have enabled to properly model and simulate the full-vehicle dynamics, thus drastically reducing design and manufacturing times and costs while enhancing the performance, safety, and longevity of vehicle systems. This paper focus on a computationally efficient multi-objective optimization framework for developing an optimal design of a vehicle steering system, which is carried out by coupling certain computer-aided design tools (CAD) and computer-aided engineering (CAE) software. The 3D CAD model of the steering system is made using SolidWorks, the Finite Element Analysis (FEA) is modelled using Ansys Workbench, while the multibody kinematic and dynamic is analysed using Adams/Car. They are embedded in a multidisciplinary optimization design framework (modeFrontier) with the aim of determining the optimal hardpoint locations of the suspension and steering systems. This is achieved by minimizing the Ackermann error and toe angle deviations, together with the volume, mass, and maximum stresses of the rack-and-pinion steering mechanism. This enhances the vehicle stability, safety, manoeuvrability, and passengers’ comfort, extends the vehicle systems reliability and fatigue life, while reducing the tire wear. The method has been successfully applied to different driving scenarios and vehicle maneuvers to find the optimal Pareto front and analyse the performance and behaviour of the steering system. Results show that the design of the steering system can be significantly improved using this approach.

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Multiobjective optimization framework for designing a steering system considering structural features and full vehicle dynamics

Llopis-Albert,

Rubio,

Devece

et al. 2023

Sci Rep

View full text Add to dashboard Cite

show abstract

“…A methodology was then proposed for fine tuning the design and dimensions of the steering linkages in such a way as to minimize the steering effort while satisfying the imposed constraints on the hardpoints. Singh et al [6] examined the effects of dynamic load variations on the steering geometry of a vehicle and the resulting non-uniform tire wear of the front steered wheels. Azasi and Mirzadeh [7] used ADAMS software to investigate the effects of changes in the steering hardpoint positions on the full-vehicle motion characteristics of a passenger car.…”

Section: Introductionmentioning

confidence: 99%

Vehicle Cornering Performance Evaluation and Enhancement Based on CAE and Experimental Analyses

Huang

Tsai

2019

Applied Sciences

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Featured Application: Measurement and performance evaluation for vehicle.Abstract: A full-vehicle analysis model was constructed incorporating a SLA (Short Long Arm) strut front suspension system and a multi-link rear suspension system. CAE (Computer Aided Engineering) simulations were then performed to investigate the lateral acceleration, yaw rate, roll rate, and steering wheel angle of the vehicle during constant radius cornering tests. The validity of the simulation results was confirmed by comparing the computed value of the understeer coefficient (K us ) with the experimental value. The validated model was then used to investigate the steady-state cornering performance of the vehicle (i.e., the roll gradient and yaw rate gain) at various speeds. The transient response of the vehicle was then examined by means of simulated impulse steering tests. The simulation results were confirmed by comparing the calculated values of the phase lag, natural frequency, yaw rate gain rate, and damping ratio at various speeds with the experimental results. A final series of experiments was then performed to evaluate the relative effects of the cornering stiffness, initial toe-in angle, and initial camber angle on the steady-state and transient-state full-vehicle cornering handling performance. The results show that the handling performance can be improved by increasing the cornering stiffness and initial toe-in angle or reducing the initial camber angle.

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Public Transport Service Quality Improvement Using Universal Design Standards and Advanced Vehicle Technologies

Ongel¹,

Cornet²,

Kong³

et al. 2018

2018 International Conference on Intelligent Autonomous Systems (ICoIAS)

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Effect of Steering System Compliance on Steered Axle Tire Wear

Cited by 4 publications

References 3 publications

Multiobjective optimization framework for designing a steering system considering structural features and full vehicle dynamics

Multiobjective optimization framework for designing a steering system considering structural features and full vehicle dynamics

Vehicle Cornering Performance Evaluation and Enhancement Based on CAE and Experimental Analyses

Public Transport Service Quality Improvement Using Universal Design Standards and Advanced Vehicle Technologies

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