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Method, device, electronic equipment and vehicle for determining vehicle cornering speed

A technology for speed and cornering, applied in the field of devices, electronic equipment and vehicles, and methods for determining vehicle cornering speed, can solve problems affecting smooth traffic and driving experience, large lateral acceleration, insufficient grip, etc.

Active Publication Date: 2021-01-29
福思(杭州)智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the existing adaptive cruise control system controls the vehicle to pass through the curve, if there is no target vehicle in front and the set speed is too high, it will easily lead to excessive lateral acceleration of the vehicle when cornering, affecting comfort, and may even Loss of vehicle control due to lack of grip
Conversely, if the vehicle slows down too early before entering the curve, or passes through the curve at a lower constant speed, it will affect the traffic smoothness and driving experience

Method used

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  • Method, device, electronic equipment and vehicle for determining vehicle cornering speed
  • Method, device, electronic equipment and vehicle for determining vehicle cornering speed
  • Method, device, electronic equipment and vehicle for determining vehicle cornering speed

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, 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 making creative efforts belong to the protection scope of the present invention.

[0032] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrate...

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Abstract

The invention discloses a vehicle turning speed determining method and device, an electronic device and a vehicle. The method includes the steps of obtaining curve information of a road in front of the vehicle and the adaptive cruise limiting speed of the vehicle, wherein the curve information includes position information of characteristic points on a corresponding curve and the curve curvature;determining the corresponding preset turning speed when the vehicle passes through all characteristic points on the curve based on the position information of the characteristic point and the curve curvature; obtaining a preview distance of the vehicle within the preview time based on the current speed of the vehicle; obtaining the minimum preset cornering speed of corresponding curve parts withinthe preview distance from the current position of the vehicle; if the minimum preset turning speed is less than the adaptive cruise limiting speed, according to the current speed of the vehicle and the preset turning speed of all the characteristic points within the preview distance, determining the target turning speed when the vehicle passes through all the characteristic points on the curve. The method can reasonably determine and control the turning speed of the vehicle and improves the driving safety and the driving experience.

Description

technical field [0001] The invention relates to the technical field of vehicle control, in particular to a method, device, electronic equipment and vehicle for determining the cornering speed of a vehicle. Background technique [0002] With the advancement of vehicle control technology, the adaptive cruise control system has received extensive attention, which can control the driving state of the vehicle according to the road conditions and reduce the burden on the driver. However, when the existing adaptive cruise control system controls the vehicle to pass through the curve, if there is no target vehicle in front and the set speed is too high, it will easily lead to excessive lateral acceleration of the vehicle when cornering, affecting comfort, and may even Loss of vehicle control due to lack of grip. On the contrary, if the vehicle slows down too early before entering the curve, or passes through the curve at a lower constant speed, it will affect the smooth traffic and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/10B60W40/105B60W30/14
CPCB60W30/146B60W40/105
Inventor 朱科引张英瀚陈永春邹欣吴鹏曹润滋
Owner 福思(杭州)智能科技有限公司
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