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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 53 for “"tire model"”.
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Discrete Tire Model Application for Vehicle Dynamics Performance Enhancement
Tires are the most influential component of the vehicle as they constitute the only contact between the vehicle and the road and have to generate and transmit forces necessary for the driver to control the vehicle. The demand for the tire models are increasing due to the need to study the …
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A Three Dimensional Discretized Tire Model For Soft Soil Applications
… of studies address various aspects related to tire modeling; most are dedicated to the development of tire models for on-road conditions. Such models cover a wide range of resolutions and approaches, as required for specific applications. At one end of the spectrum are the very simple tire …
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Modeling and analysis of Regional Haul Steer (RHS) truck tire model
In this thesis, the RHS truck tire size 315/80R22.5 was developed using Finite Element Analysis and several material properties. The tire model was then validated using static and dynamic testing, against physical measurements provided by the manufacturer. A simulation model of flooded and snow …
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Adaptive Rollover Control Algorithm Based on an Off-Road Tire Model
… This research begins with the study of the tire, as it is the single component on the vehicle responsible for generating all of the non-inertial forces to direct the motion of the vehicle. Tire force and moment behavior has been researched extensively and several accurate tire models exist. …
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Improved Constraint Mode Tire Model with Analytical Derivations and Numerical Approximations
Tires are of particular significance in vehicle studies, as they are the interface between the vehicle and the terrain. They are responsible for the load generation in vehicle handling, dynamics, vehicle-terrain interactions, hydroplaning, etc. Numerous studies have been conducted in the field of …
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Modeling and control of antilock braking systems utilizing dynamic friction tire model
… (ABS) in vehicles. Simplified quarter vehicle models with special emphasis on the modeling of tire and dynamic tire-road interaction is utilized to develop and test the proposed controllers. The novelty of the present research is in the utilization and formulation of a new dynamic friction tire …
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Development of an Off-Road Capable Tire Model for Vehicle Dynamics Simulations
The tire is one of the most complex subsystems of the vehicle. It is, however, the least understood of all the components of a car. Without a good tire model, the vehicle simulation handling response will not be realistic, especially for maneuvers that require a combination of braking/traction and …
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Handling Performance Analysis of Run-Flat and Standard Tires Using Pacejka Tire Model
… the handling performance of standard pneumatic tires and self-supporting run-flat tires under deflation scenarios using a combined finite element and vehicle dynamics simulation approach. Finite element models of both tire types were developed in Abaqus to extract lateral force characteristics …
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Development of a Terrain Pre-filtering Technique applicable to Probabilistic Terrain using Constraint Mode Tire Model
The vertical force generated from terrain-tire interaction has long been of interest for vehicle dynamic simulations and chassis development. As the terrain serves as the main excitation to the suspension system through pneumatic tire, proper terrain and tire models are required to produce reliable …
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Development and optimization of a wide base FEA truck tire model for prediction of tire-road interactions
… way to do so is through the use of pneumatic tires, which are the only link between the chassis and the ground interface. With recent advancements in the computational efficiency of modern computers, there has been a dynamic movement towards virtual modeling and experimentation of pneumatic …
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Development of a multi-physics tire model for wear and thermal estimation in the finite element environment
… improving the understanding of vehicle dynamics, tire wear and tire modeling is finite element techniques. For accurate static, steady-state, and dynamic tire mechanics in simulation, a highly accurate tire model needs to be modeled and validated in multiple domains. This research focuses on the …
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A Hybrid Soft Soil Tire Model (HSSTM) For Vehicle Mobility And Deterministic Performance Analysis In Terramechanics Applications
Accurate and efficient tire models for deformable terrain operations are essential for performing vehicle simulations. Assessment of the forces and moments that occur at the tire-terrain interface, and the effect of the tire motion on properties of the terrain are crucial in understanding the …
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Modal Analysis of a Discrete Tire Model and Tire Dynamic Response Rolling Over Short Wavelength Road Profiles
… the modal parameters of a deflected and rolling tire represents a challenge due to the complex vibration characteristics that cause the tire's symmetry distortion and the natural frequencies' bifurcation phenomena. The modal parameters are usually extracted using a detailed finite element model. …
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Effective Simplified Finite Element Tire Models for Vehicle Dynamics Simulation
… research focuses on developing a methodology for modeling a pneumatic bias-ply tire with the finite element method for vehicle dynamics simulation. The tire as a load-carrying member in a vehicle system deserves emphasized formulation especially for the contact patch because its representation of …
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Discrete Tire Modeling for Anti-lock Braking System Simulations
Tires play an extremely important role in the operation of a vehicle as they transmit forces between the ground and the vehicle. Consistent efforts have been made over the years towards modeling and simulation of tires and more recently, there has been an increasing need to understand the transient …
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Improved Vehicle Dynamics Sensing during Cornering for Trajectory Tracking using Robust Control and Intelligent Tires
Tires, being the only component of the vehicle in contact with the road surface, are responsible for generating the forces for maintaining the vehicle pose, orientation and stability of the vehicle. Additionally, the on-board advanced chassis control systems require estimation of these tire-road …
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Nonlinear finite element modeling and incremental analysis of a composite truck tire structure
… related to the static and dynamic properties of tires, which provide support and control for vehicles and which must possess good durability under various tire-road interactions and loading conditions. The tire characteristics are inherently dependent on various structural and geometric …
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Modeling and performance analysis of ABS systems with nonlinear control
… the slip values are iterated from a nonlinear tire model based on the Magic Formula. Simulations of hard braking and steering maneuvers are conducted using the nonlinear Yaw-plane Four-wheel steering vehicle model with Limited Roll motion (YFLR) incorporating the nonlinear Magic Formula tire …
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