Online road surface unevenness identification method and system

A technology of uneven road surface and identification method, which is applied in the field of vehicle engineering, can solve problems such as interference, large amounts of data, and inaccurate measurement results, and achieve the effect of avoiding data processing

Pending Publication Date: 2020-11-20
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a method and system for identifying road surface roughness, which is used to solve the defects in the prior art that a large amount of data is required to measure road surface roughness, and the measurement results are not accurate enough due to environmental interference.

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  • Online road surface unevenness identification method and system
  • Online road surface unevenness identification method and system
  • Online road surface unevenness identification method and system

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Embodiment Construction

[0057] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0058] figure 1 A flow chart of a method for identifying unevenness of the road surface provided by an embodiment of the present invention, as shown in figure 1 shown, including:

[0059] S1, acquiring the timing signal of the road surface to be identified;

[0060] Specifically, firstly, in order to measure the unevenness of the road surf...

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Abstract

The embodiment of the invention provides an online road surface unevenness identification method and system. The method comprises the following steps: acquiring a to-be-identified time sequence signalof a pavement; inputting the to-be-identified time sequence signal into a pre-trained road surface unevenness grade classification model to obtain a road surface unevenness classification result output by the road surface unevenness grade classification model, wherein the road surface unevenness grade classification model is obtained by training an LSTM network based on training set data of a road surface and grade labels obtained by classification according to road surface unevenness standard grades. According to the embodiment of the invention, by obtaining a small amount of simple time sequence signals, complex data processing is avoided, and a road surface unevenness grade result is quickly obtained in real time.

Description

technical field [0001] The invention relates to the technical field of vehicle engineering, in particular to a method and system for identifying unevenness of road surfaces. Background technique [0002] Road roughness has a great influence on the driving safety and driving comfort of the vehicle. Mastering the road roughness information is of great significance for vehicle dynamics control, especially suspension control. In suspension control, it is necessary to meet the dual requirements of ride comfort and driving safety, and the same set of control parameters cannot be used to achieve the optimal control effect on roads with different levels of roughness. Therefore, the road surface roughness level information can provide a direct and effective basis for parameter adjustment of the control algorithm. [0003] The existing vehicle road identification strategies can be divided into direct and indirect methods as a whole. The direct identification method is realized by pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62G06N3/04G06N3/08
CPCG06N3/084G06N3/044G06N3/045G06F2218/16G06F18/2414G06F18/214
Inventor 梁冠群危银涛杜永昌邬明宇牛东杰童汝亭尹航吕靖成
Owner TSINGHUA UNIV
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