Title:
VEHICLE SPEED ESTIMATION METHOD AND APPARATUS, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/029891
Kind Code:
A1
Abstract:
A vehicle speed estimation method and apparatus, and a vehicle. The vehicle comprises a plurality of wheels. The vehicle speed estimation method for the vehicle comprises: obtaining the current wheel speed of each wheel, a reference vehicle speed of a previous vehicle speed estimation period, and the running state of the vehicle in real time within the current vehicle speed estimation period, wherein the running state of the vehicle comprises the traveling direction of the vehicle and a communication state between a plurality of devices in the vehicle; determining the current reference vehicle speed of the vehicle according to the current wheel speed of each wheel and the reference vehicle speed of the previous vehicle speed estimation period; according to the communication state between the plurality of devices in the vehicle, determining whether the vehicle has a communication fault; on the basis of a determination result that the vehicle has no communication fault, using the current reference vehicle speed as the vehicle speed value of the current estimated vehicle speed of the vehicle; determining the vector parameter of the current estimated vehicle speed according to the traveling direction of the vehicle; and determining the current estimated vehicle speed of the vehicle according to the vehicle speed value of the current estimated vehicle speed and the vector parameter of the current estimated vehicle speed.
Inventors:
ZHOU ZEHUI (CN)
WANG GUOQIANG (CN)
LIU YUANZHI (CN)
WU AIBIN (CN)
CUI JINLONG (CN)
ZHAO YANG (CN)
WANG GUOQIANG (CN)
LIU YUANZHI (CN)
WU AIBIN (CN)
CUI JINLONG (CN)
ZHAO YANG (CN)
Application Number:
PCT/CN2022/110776
Publication Date:
March 09, 2023
Filing Date:
August 08, 2022
Export Citation:
Assignee:
CHINA FAW CO LTD (CN)
International Classes:
B60W40/00; B60W40/105; B60W50/00
Foreign References:
| CN113635908A | 2021-11-12 | |||
| CN112046492A | 2020-12-08 | |||
| CN112660143A | 2021-04-16 | |||
| CN107264287A | 2017-10-20 | |||
| CN107878464A | 2018-04-06 | |||
| CN111959488A | 2020-11-20 |
Attorney, Agent or Firm:
BEIJING YZH IP FIRM (CN)
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