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Road surface unevenness identification method during vehicle driving, vehicle and storage medium

A technology for uneven road surface and vehicle driving, applied in the field of vehicles, can solve the problems of high vertical vibration and noise of vehicles, insufficient recognition accuracy, and inability to update, so as to achieve low application cost, improve driving safety performance, and increase speed stability. Effect

Pending Publication Date: 2021-12-24
NIO TECH ANHUI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this kind of scheme can make the detection accuracy of the road surface flatness higher, the disadvantage is that it is inefficient and cannot make timely updates to the damage of the road surface during actual use.
Although the current unevenness of the road surface can be detected in real time with the help of the above schemes, the recognition accuracy is not high enough due to the fact that there are many noises and different frequencies of the vertical vibration of the vehicle, and it is difficult to make an objective and accurate assessment of the unevenness of the road surface. judgment

Method used

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  • Road surface unevenness identification method during vehicle driving, vehicle and storage medium
  • Road surface unevenness identification method during vehicle driving, vehicle and storage medium

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Embodiment Construction

[0031] First of all, it should be noted that the steps, composition, working principle, features and advantages of the method and system for identifying road surface roughness when the vehicle is running, the vehicle and the computer-readable storage medium according to the present invention will be described below by way of example. However, All descriptions should not be used to form any limitation on the present invention. In this article, the technical term "substantially" is intended to include an insubstantial deviation associated with a specific quantity, for example, it may include ±8%, ±5% or ±2% for a specific numerical value, shape or positional relationship, etc. range of deviation.

[0032] In addition, for any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature shown or implied in the drawings, the present invention still allows and their equivalents) without any technical barriers, so it should be c...

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Abstract

The invention relates to a road surface unevenness identification method during vehicle driving, a vehicle and a computer readable storage medium. The road surface unevenness identification method during vehicle driving is characterized by comprising the following steps: A, acquiring the driving speed of a vehicle on a current road surface; B, judging whether the obtained running speed is not greater than a preset threshold value or not: if so, obtaining running data of the vehicle based on a preset time interval; and C, determining the current road surface unevenness of the vehicle according to the change characteristics of the acquired operation data. By applying the method, the road surface unevenness during vehicle driving can be quickly, accurately and efficiently detected, and different road surface conditions such as uphill, downhill, various obstacles which can pass through or cannot pass through and the like can be identified, so that the low-speed control capability of the vehicle can be improved, and the safety performance of the vehicle can be enhanced.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a method and system for identifying road surface roughness when a vehicle is running, a vehicle, and a computer-readable storage medium. Background technique [0002] For the speed control problem of the vehicle under the low speed condition, this has always been one of the difficult problems faced by the automobile industry. At present, many vehicles have been equipped with advanced functions such as intelligent assisted driving and automatic driving. They have stricter or more comprehensive requirements in terms of vehicle low-speed driving control, in order to improve the speed stability of the vehicle when passing through uneven roads, and avoid accidents. Damage to vehicles and persons. For example, when the vehicle is going up and downhill or over a general obstacle (such as speed bumps, pebbles, etc.), it should be able to detect it in time and adjust the vehicle speed a...

Claims

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Application Information

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IPC IPC(8): B60W40/06
CPCB60W40/06B60W2520/10B60W40/068B60W40/076B60W2520/105B60W2510/0657G01B21/30
Inventor 吴立人邓晟伟王明远韦强张宪会原达肖柏宏
Owner NIO TECH ANHUI CO LTD
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