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Showing 1 to 18 of 18 for “"Tire Modeling"”.
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Tire Modeling and Friction Estimation
… traction limit set by the friction between the tires and the road can, however, not be overridden. The behavior of tires is, therefore, an important issue since it determines the possibilities to control the vehicle. One essential task for the vehicle control system is to be able to fully …
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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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Finite Element Modeling and Experimental Validation for Off-Road Tire Performance
… understanding of the interaction between lugged tires and deformable soils to improve predictive models using finite element analysis (FEA). Through simulations and physical testing, this study analyzes how various operational and design parameters influence soil deformation and vehicle mobility. …
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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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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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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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Topics in Machining with Industrial Robots and Optimal Control of Vehicles
… is discussed. More specifically, vehicle and tire modeling and the optimization formulation required to get useful solutions to these problems are investigated. Simulation results are presented for different vehicle models, under varying road-surface conditions, in aggressive maneuvers, where …
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Deterministic and Stochastic Semi-Empirical Transient Tire Models
The tire is one of the most important components of the vehicle. It has many functions, such as supporting the load of the vehicle, transmitting the forces which drive, brake and guide the vehicle, and acting as the secondary suspension to absorb the effect of road irregularities before …
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Particle Filtering and Optimal Control for Vehicles and Robots
… is highly sensitive to the choice of chassis and tire models. Another conclusion is that the optimal driving techniques are different depending on tire-road characteristics. The conclusions motivate the design of a novel, two-level hierarchical approach to optimal trajectory generation for wheeled …
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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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Topics in Machining with Industrial Robot Manipulators and Optimal Motion Control
… of high-accuracy milling is the topic of robot modeling. To this purpose, two different approaches are considered; modeling of the quasi-static joint dynamics and dynamic compliance modeling. The first problem is approached by an identification method for determining the joint stiffness and …
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Identification of Tire Dynamics Based on Intelligent Tire
Sensor-embedded tires, known as intelligent tires, have been widely studied because they are believed to provide reliable and crucial information on tire-road contact characteristics e.g., slip, forces and deformation of tires. Vehicle control systems such as ABS and VSP (Vehicle Stability Program) …
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Terramechanics of Saturated Clays: Assessing Tire Performance Through Experimental and Numerical Approaches
… in the challenging terrain of saturated clays. Modeling cohesive soils with high water content is challenging due to their low shear strength and highly deformable nature, necessitating systematic consideration in both material modeling and numerical techniques. Saturated clay is marked by high …
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Modeling and analysis of off-road tire cornering characteristics
… generated from interactions between pneumatic tires and terrains. Accurate models are thus required to predict these forces/moments to be employed in vehicle simulations for development and design. The goal of this dissertation research is to provide a virtual testing environment in Pam-Crash …
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Development of FEA wide-base truck tire and soil interaction models
Tires are considered one of the most important components of ground vehicles as they are the only link between the chassis and ground. They support the vehicle weight and cushion road surface irregularities to provide a comfortable ride. Tires are designed in a way that provide necessary tractive, …
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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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Experimental Characterization and Modeling of Tire-Ice Interface
Tire parameters play a very important role in tire performance. Depending on the driving conditions for which a given tire is designed, its parameters must be chosen appropriately (e.g., the radius of the tire, the width of the tire, material properties of different sections). Among tire …
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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. …