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Wheel key parameter automatic optimization method and system

A key parameter and wheel technology, applied in the field of vehicles, can solve problems such as increased design and production costs, large vibration, noise, tire dynamic imbalance, etc., and achieve the effects of improving ride comfort, saving costs, and increasing production

Inactive Publication Date: 2019-12-10
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of method increases the design and production costs, and this type of design may cause sound-absorbing materials or structures to fall off due to tire deformation and vibration, which will cause dynamic imbalance of the tire during rotation, resulting in greater vibration and noise

Method used

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  • Wheel key parameter automatic optimization method and system
  • Wheel key parameter automatic optimization method and system

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0026]In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element refer...

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Abstract

The invention provides a wheel key parameter automatic optimization method and system, and the method comprises the following steps: obtaining an initial design scheme, evaluating the initial design scheme, and obtaining a wheel initial performance evaluation result; optimizing the initial design scheme according to the spoke and rim model, and evaluating the obtained optimization design scheme toobtain a wheel optimization performance evaluation result; and comparing the wheel initial performance evaluation result with the wheel optimization performance evaluation result to obtain an optimaldesign scheme. According to the invention, design is carried out from wheel angles; an automatic optimization algorithm is adopted; based on an optimization design theory and method, the optimal scheme is automatically, quickly and optimally selected by using a numerical method, so that the product development period can be shortened, the experimental cost can be saved by the optimal scheme, thetransmission of acoustic cavity resonance energy can be inhibited on the premise of not increasing a new structure or material, the riding comfort is improved, and a light weight effect can be achieved.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to an automatic optimization method and system for key parameters of a wheel. Background technique [0002] The basic design parameters of the wheel structure include: the number of spokes, the number of bolt holes and their matching relationship, the structure of the spokes, and the key dimension parameters of the rim. The spoke structure is varied, and its number, inclination, and shape can be designed highly. At present, in order to suppress the resonance energy transfer of the acoustic cavity, the traditional method is to fill / paste sound-absorbing materials in the tire or add an acoustic structure such as a Helmholtz resonant cavity, and then verify its ability to suppress the resonance energy of the acoustic cavity through finite element simulation and experiments. achieve the desired goal. If the requirements are not met, it is necessary to adjust the materials and structu...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 刘献栋刘雨婷单颖春何田万晓飞
Owner BEIHANG UNIV
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