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A vehicle data time synchronization method, device, electronic device and storage medium

A technology for data time and time synchronization

Active Publication Date: 2022-08-09
WUHAN ZHONGHAITING DATA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, an embodiment of the present invention provides a vehicle data time synchronization method, device, electronic equipment, and storage medium to solve the problem of inaccurate vehicle sensor data synchronization results

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  • A vehicle data time synchronization method, device, electronic device and storage medium
  • A vehicle data time synchronization method, device, electronic device and storage medium
  • A vehicle data time synchronization method, device, electronic device and storage medium

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Embodiment Construction

[0022] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. The examples are only used to explain the present invention, not to limit the scope of the present invention.

[0023] The term "comprising" and other similar meaning expressions in the description or claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusion, such as a process, method or system, ...

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Abstract

The invention provides a vehicle data time synchronization method, device, electronic equipment and storage medium. The method includes: checking and judging the availability of the PPS signal and the GNSS signal respectively, and when the PPS signal and the GNSS signal are both available Whether the GNSS signal is correctly correlated, if the correlation is correct, the system time is calculated, and the corresponding time stamp is added to the vehicle sensor data. This solution can accurately judge the UTC time synchronization conditions, ensure the effectiveness of time synchronization, ensure the accuracy and reliability of time synchronization results, and improve the stability and adaptability of time synchronization in various devices and scenarios.

Description

technical field [0001] The invention relates to the field of data synchronization, in particular to a method, device, electronic device and storage medium for time synchronization of vehicle data. Background technique [0002] With the development of advanced assisted driving and autonomous driving technologies, more and more sensors are installed in vehicles. In assisted driving or autonomous driving, sensor data can be accurately aligned (interpolated) and synchronized (predicted or compensated) in space and time. , which is very important for fusing multi-source sensors for subsequent perception, planning and decision-making. Different data sources are converted to the same time scale, and the sensor data fusion calculation after prediction or compensation is performed. In engineering practice, it is often necessary to unify GNSS, IMU, vehicle status and other signals to the same time scale, and then perform the next calculation. [0003] At present, the common practice...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G04G7/00G04R20/02G01S19/03
CPCG04G7/005G04R20/02G01S19/03Y02D30/70
Inventor 朱江王英辉周建荣刘奋
Owner WUHAN ZHONGHAITING DATA TECH CO LTD