Development and comparative study on tire models in the AutoDyn7 program

Han, Donghoon; Sohn, Jung Min; Kim, Kwang-Suk; Lee, JongNyun; Yoo, Wan-Suk; Lee, ByunHoon; Choi, Jae-Young

doi:10.1007/bf03184458

Cited by 9 publications

(3 citation statements)

References 1 publication

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“…The tire tread refers to the rubber on a tire's circumference that makes contact with the road. 1,2 The sidewall is that part of the tire that bridges the tread and the bead. The sidewall is reinforced with rubber and fabric plies that provide strength and flexibility.…”

Section: Introductionmentioning

confidence: 99%

Tool path generation for a four-axis machine to engrave letters on tire sidewall molds

Lee

2009

Int. J. Precis. Eng. Manuf.

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A tire sidewall is that section of the tire that bridges the tread and the bead. It is difficult to manufacture tire sidewall molds with a three-axis CNC machine, because the letters on the sidewall should be engraved perpendicularly to the sidewall surface. In this paper, a four-axis lettering machine that efficiently engraves letters and patterns on the sidewall mold is proposed. A bending projection algorithm is introduced to project letters on the sidewall surface without distortion. The procedures to cut letters and patterns using the four-axis lettering machine is proposed: (1) measuring the profile curve using a mechanical probe, (2) using a bending projection algorithm to project letters onto the sidewall surface without distortion, (3) generating the four-axis CL data, and (4) calculating the inverse kinematics to generate NC codes. The procedure is implemented using a PC-NC (Personal Computer Numerical Control) system, which has an open architecture based on the personal computer. The results demonstrate that the method is useful for manufacturing tire sidewall molds.

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Section: Introductionmentioning

confidence: 99%

Tool path generation for a four-axis machine to engrave letters on tire sidewall molds

Lee

2009

Int. J. Precis. Eng. Manuf.

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“…In the look-down method, inductive cables were used for marking the reference lane. In PATH project (J. K. Hedrick et at., i994) , permanent magnets were used to mark Han et al, 2000;B. H. Lee et al, 2001), are developed and used for the simulation for the proposed lateral control.…”

Section: Introductionmentioning

confidence: 99%

Lateral control of autonomous vehicle by yaw rate feedback

Hong

Choi

Jeong

et al. 2002

KSME International Journal

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In the autonomous vehicle, the reference lane is continually detected by machine VISIon system. And then the vehicle is steered to follow the reference yaw rates which are generated by the deviations oflateral distance and the yaw angle between a vehicle and the reference lane. To cope with the steering delay and the side-slip of vehicle, PI controller is introduced by yaw rate feedback and tuned from the simulation where the vehicle is modeled as 2 DOF and 79 DOF and verified by the results of an actual vehicle test. The lateral control algorithm by yaw rate feedback has good performances of lane tracking and passenger comfort.

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“…into ADAMS for building a dynamic model of the vehicle system(Han et al, 2000).The front and rear suspensions have a nonlinear effect that the spring constant increases sharply when its deformation is out of a specific range. The lengths of the front and the rear suspensions are 0.43 and 0.52 m, respectively at the static equilibrium position.…”

mentioning

confidence: 99%

Virtual prototyping simulation for a passenger vehicle

Lee

Choi²,

Eom

2001

KSME International Journal

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The primary goal of virtual prototyping is to eliminate the need for fabricating physical prototypes, and to reduce cost and time for developing new products. A virtual prototyping seeks to create a virtual environment where the development of a new model can be flexible as well as rapid, and experiments can be carried out effectively concerning kinematics, dynamics, and control aspects of the model. This paper addresses the virtual environment used for virtual prototyping of a passenger vehicle. It has been developed using the dVISE environment that provides such useful features as actions, events, sounds, and light features. A vehicle model including features, functions, and behaviors is constructed by employing an object-oriented paradigm and contains detailed information about a real-size vehicle. The human model is also implemented not only for visual and reach evaluations of the developed vehicle model, but also for behavioral visualization during a crash test. For the real time driving simulation, a neural network model is incorporated into the virtual environment. The cases of passing bumps with a vehicle are discussed in order to demonstrate the applicability of a set of developed models.

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Development and comparative study on tire models in the AutoDyn7 program

Cited by 9 publications

References 1 publication

Tool path generation for a four-axis machine to engrave letters on tire sidewall molds

Tool path generation for a four-axis machine to engrave letters on tire sidewall molds

Lateral control of autonomous vehicle by yaw rate feedback

Virtual prototyping simulation for a passenger vehicle

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