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A method for replaying UAV measurement and control data

A data playback and unmanned aerial vehicle technology, which is applied in data recording, data buffer arrangement, digital recording/reproduction, etc., can solve the problem of inability to meet the requirements of fast and accurate data playback, low processing efficiency of large data volume playback, and inability to realize data playback. Time point playback and other issues, to meet the requirements of UAV measurement and control data playback, improve efficiency, and improve the effect of playback rate

Active Publication Date: 2019-02-26
CHINA HELICOPTER RES & DEV INST
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AI Technical Summary

Problems solved by technology

The shortcomings of this data playback method mainly include: the efficiency of playback processing for large amounts of data is relatively low; only the data is played back at a certain rate, and the data cannot be played back according to the actual recorded time point
Therefore, this method cannot meet the requirements of fast and accurate data playback.

Method used

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  • A method for replaying UAV measurement and control data

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Embodiment Construction

[0023] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting 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. Embodiments of the present invention will be described in detail below ...

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Abstract

The invention provides a measurement and control data playback method of an unmanned aerial vehicle, and belongs to the technical field of computer application. Data playback time is obtained, measurement and control data of the unmanned aerial vehicle is divided into multiple data packets and read in a buffer area gradually, multiple values are set to mark whether a time bar is dragged, whether pause and playback are carried out and whether read-in data is processed, and variables are reassigned according to whether the data is processed. Thus, playback data is positioned accurately. According to the invention, a time code in a data frame is compared with practical playback time so that the data is played back according to the practically recorded time point, the efficiency of playback of a large data bulk is improved, functions including acceleration, deceleration, pause and playback by dragging the time bar are additionally arranged, and thus, requirements for measurement and control data playback of the unmanned aerial vehicle are met.

Description

technical field [0001] The invention belongs to the technical field of computer applications, and in particular relates to a method for playback of unmanned aerial vehicle measurement and control data. Background technique [0002] Data playback technology, as an important part of modern signal detection technology, is the follow-up and derivative of data acquisition technology. Combining it with data acquisition technology and signal processing technology, it has been widely used in many fields such as radar, communication, underwater acoustic telemetry, remote sensing, and seismic survey. With the continuous improvement of people's demand for the performance of signal detection technology, how to quickly and accurately realize the playback of a large amount of historical data and provide effective historical data for signal processing technology has become one of the research focuses of signal detection technology. [0003] UAV is an unmanned aerial vehicle controlled by ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B27/10G11B20/10
CPCG11B20/10527G11B27/10G11B2020/1062
Inventor 胡敏田学稳孙鑫欣罗琼张明张大高肖光华
Owner CHINA HELICOPTER RES & DEV INST
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