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Method for acquiring pressure distribution of tire grounding area

A pressure distribution, tire grounding technology, applied in image analysis, image data processing, instruments, etc., can solve problems such as insufficient sensor resolution, and achieve accurate measurement results

Pending Publication Date: 2021-11-12
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a method for obtaining the tire contact area pressure distribution, which can not only reduce the measurement cost, but also solve the problem of insufficient resolution in sensor measurement and improve the resolution of measurement results

Method used

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  • Method for acquiring pressure distribution of tire grounding area
  • Method for acquiring pressure distribution of tire grounding area
  • Method for acquiring pressure distribution of tire grounding area

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Embodiment Construction

[0045] The present invention is made in conjunction with the accompanying drawings and specific examples, but the scope of the invention is not limited thereto.

[0046] Embodiments of the present invention will be described in detail below, and examples of the embodiments are illustrated in the drawings, in which the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions. The embodiments described below are illustrative of the invention, and is intended to be construed as limiting the invention.

[0047] In the description of the present invention, it is to be understood that the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", orientation or positional relationship "outer" and the like as indicated by the position or orientation based on the relationship shown in the drawings, for convenience of description only and ...

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Abstract

The invention provides a method for acquiring pressure distribution of a tire grounding area, which comprises the following steps: acquiring a relation curve of pressure and a gray value of a calibration material in a closed pressurization state; using the tire positioning device for mounting and positioning the tire on the lifting loading mechanism; setting a calibration material between the tire and the transparent plate, wherein the tire is in contact with the calibration material to form a tire grounding area; loading pressure to the tire through the lifting loading mechanism to obtain an image of a tire grounding area, and processing the image of the tire grounding area to obtain a gray-scale map of the tire grounding area; and converting the gray-scale map of the tire grounding area into a tire grounding pressure map through the obtained pressure and gray-scale value curve so as to obtain the pressure distribution of the tire grounding area. According to the invention, the problem of insufficient resolution in sensor measurement can be solved, and the resolution of a measurement result can be improved.

Description

Technical field [0001] The present invention relates to a tire testing technical field relates to a method for the tire contact area pressure distribution acquired. Background technique [0002] Is the only member of the tire contact with the road cars, the impact force of the vehicle behavior mainly from the contact area of ​​the tire with the road surface, the contact force of the vehicle driver, braking and steering to provide the power source. One is closely related to tire performance of the tire and the ground contact pressure, which is influenced by many factors of the tire material, the pattern shape, road roughness, etc., is always in the state of uneven distribution, non-uniformity is an early important factors Pavement . Therefore, accurate measurement of the tire contact pressure on the tire development, and research Pavement vehicle performance is important. [0003] Current methods measure the contact pressure of the tire, there are three main theories analytical me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/11G06T7/136G06T7/80
CPCG06T7/11G06T7/136G06T7/80G06T2207/10024G06T2207/20032
Inventor 梁晨刘浩朱大钎
Owner JIANGSU UNIV
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