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Automatic parking method and device

A technology for automatic parking and vehicle speed, applied in control devices, transportation and packaging, vehicle components, etc., can solve problems such as untimely avoidance of obstacles, bumping into obstacles, wrong deceleration, etc., and achieve the effect of improving safety

Inactive Publication Date: 2021-08-13
GUANGZHOU XIAOPENG CONNECTIVITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of automatic parking, if the vehicle reverses at a faster speed, when an obstacle appears, it is easy to avoid the obstacle in time and hit the obstacle
Especially in the case of a large steering wheel angle, it is difficult to control the vehicle to turn at a large angle
However, in the prior art, obstacle avoidance based on ultrasonic radar detection values ​​is unstable, and false deceleration may occur.

Method used

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Embodiment Construction

[0052] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0053] refer to figure 1 , which shows a flow chart of the steps of an automatic parking method provided by an embodiment of the present invention, which may specifically include the following steps:

[0054] Step 101, when an obstacle is detected during automatic parking, obtain the current vehicle speed and the current steering wheel angle;

[0055] Wherein, the obstacle is an object that hinders the automatic parking of the ve...

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Abstract

The embodiment of the invention provides an automatic parking method and device. The method comprises the steps of when an obstacle is detected in the automatic parking process, obtaining the current vehicle speed and the current steering wheel angle; when the current vehicle speed is greater than a preset vehicle speed and the current steering wheel angle is greater than a preset turning angle, determining a target distance according to the change of the relative distance with the obstacle; and according to the target distance, adjusting a target vehicle speed used for controlling automatic parking. According to the method of the invention, the vehicle speed of automatic parking is adjusted according to the obstacle, the vehicle speed is prevented from being too high under the condition that the steering wheel angle is large, the obstacle can be effectively avoided at the large parking steering angle, and the safety of automatic parking is improved.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to an automatic parking method and device. Background technique [0002] Reversing into storage is a method of parking vehicles, but it is difficult for some drivers to complete the operation of reversing into storage. With the increasing development of automobile technology, electric vehicles can realize automatic parking so that vehicles can automatically reverse into storage. [0003] In the process of automatic parking, if the vehicle reverses faster, when an obstacle appears, it is easy to avoid the obstacle in time and hit the obstacle. Especially when the steering wheel angle is relatively large, it is difficult to control the vehicle to turn at a large angle. However, in the prior art, obstacle avoidance based on ultrasonic radar detection values ​​is unstable, and false deceleration may occur. Contents of the invention [0004] In view of the above problems, a method an...

Claims

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Application Information

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IPC IPC(8): B60W30/06
CPCB60W30/06B60W2552/50B60W2520/10B60W2540/18
Inventor 秦汉陈盛军蒋少峰张鸿冯锴
Owner GUANGZHOU XIAOPENG CONNECTIVITY TECH CO LTD
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