Multi-sensor data synchronization method and device thereof

A data synchronization and multi-sensor technology, applied in the direction of instruments, simulators, computer control, etc., can solve the problems of lack of effective monitoring and control, fusion data errors, sensor abnormality, etc., and achieve the effect of improving the accuracy of data fusion

Inactive Publication Date: 2020-11-24
宝能(广州)汽车研究院有限公司
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Problems solved by technology

However, in practical applications, the sampling rate and communication delay of different sensors are different, and most of the cases are asynchronous sampling, and the time systems of each sensor are independent and inconsistent, resulting in a large error in the time when the data arrives at the fusion center. In addition, in a certain In some cases, the sensor works abnormally and lacks effective monitoring and control, resulting in wrong results of fusion data

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  • Multi-sensor data synchronization method and device thereof
  • Multi-sensor data synchronization method and device thereof
  • Multi-sensor data synchronization method and device thereof

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Embodiment Construction

[0057] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application.

[0058] The following describes multi-sensor data synchronization and its equipment in the embodiments of the present application with reference to the accompanying drawings.

[0059] figure 1 It is a schematic flowchart of a multi-sensor data synchronization method provided by the embodiment of the present application.

[0060] In order for those skilled in the art to be more clear about the multi-sensor data synchronization method of the present application, it will first be described on the side of the data synchronizatio...

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Abstract

The invention provides a multi-sensor data synchronization method and device thereof, and the method is applied to a data synchronization controller and comprises the steps: obtaining the state information reported by all sensors; if it is determined that each sensor is in a normal state according to the state information, sending a time synchronization command to each sensor while obtaining the reference time, so that each sensor is synchronized with the reference time and a beat timer is started; and sending a data acquisition command to each sensor, so that each sensor acquires data after receiving the data acquisition command, determines a current timestamp according to the reference time and the beat number of the beat timer, and reports the acquired data associated with the current timestamp to a data fusion processor. Therefore, the sensors work under the same time reference to acquire data, and the subsequent data fusion accuracy is improved.

Description

technical field [0001] The present application relates to the technical field of automotive electronics, in particular to a multi-sensor data synchronization method and equipment thereof. Background technique [0002] At present, a lot of research is focused on the application of multi-sensor fusion, and the data fusion architectures targeted are all synchronous. However, in practical applications, the sampling rate and communication delay of different sensors are different, and most of the cases are asynchronous sampling, and the time systems of each sensor are independent and inconsistent, resulting in a large error in the time when the data arrives at the fusion center. In addition, in a certain In some cases, the sensor works abnormally, and the lack of effective monitoring and control leads to erroneous results of fusion data. Contents of the invention [0003] This application aims to solve one of the technical problems in the related art at least to a certain exten...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0425
Inventor 潘旭丰左亮李剑利
Owner 宝能(广州)汽车研究院有限公司
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