CN115002230A - Unmanned aerial vehicle information product transmission method - Google Patents
Unmanned aerial vehicle information product transmission method Download PDFInfo
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- CN115002230A CN115002230A CN202210576758.4A CN202210576758A CN115002230A CN 115002230 A CN115002230 A CN 115002230A CN 202210576758 A CN202210576758 A CN 202210576758A CN 115002230 A CN115002230 A CN 115002230A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000013500 data storage Methods 0.000 claims abstract description 11
- 230000010365 information processing Effects 0.000 claims abstract description 11
- 238000009432 framing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides an unmanned aerial vehicle information product transmission method, wherein an unmanned aerial vehicle ground station selects a working mode according to the type of an information product generated by an information processing system, and distributes and reports the information product; the command hall receives the reported information products, visually displays the information products which can be visually displayed according to the categories of the information products, and simultaneously stores data; for information products which cannot be visually displayed, only data storage is performed. The method is divided into five information products according to different categories, the distribution and report of the five types of information products can be realized by utilizing a custom frame format, the sending rate can be adjusted according to the actual physical channel bandwidth, the distribution and report of the information products of multiple sets of ground stations of the unmanned aerial vehicles can be realized, and the method is suitable for the distribution and report scenes of the information products of the ground stations of the unmanned aerial vehicles.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle ground stations, in particular to an unmanned aerial vehicle intelligence product transmission method, which is suitable for an unmanned aerial vehicle ground station intelligence product distribution and reporting scene and can also be applied to the intelligence product distribution and reporting field of other systems.
Background
The main functions of unmanned aerial vehicle reconnaissance are to find, detect, identify, locate and interpret targets through searching a wide area reconnaissance area.
The unmanned aerial vehicle information processing system is an important component of an unmanned aerial vehicle ground station, and can be used for receiving, storing, decoding and displaying various scout data; the video enhancement, the image system correction, the video splicing, the moving target detection tracking, the key frame detection, the video coding and decoding, the video segment and target image cataloging management and the video information and moving target information reporting can be carried out on the visible light video and the infrared video.
Typical unmanned aerial vehicle intelligence products mainly include raw data, quick-view pictures, real-time videos, file type products, and message messages. In the existing unmanned aerial vehicle ground station technology, the distribution and reporting of unmanned aerial vehicle information products are important capabilities of the unmanned aerial vehicle ground station. In the unmanned aerial vehicle ground satellite station technique of current, the information product generally transmits according to the file sharing mode, is unfavorable for the automatic batch processing of procedure. In addition, there is no method compatible with the reporting and receiving of various types of information products.
Disclosure of Invention
In view of the above, the invention provides a method for transmitting an unmanned aerial vehicle information product. The method is divided into five information products according to different categories, the distribution and report of the five types of information products can be realized by utilizing a custom frame format, the sending rate can be adjusted according to the actual physical channel bandwidth, and the distribution and report of the information products of a plurality of sets of unmanned aerial vehicle ground stations can be realized.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an unmanned aerial vehicle information product transmission method comprises the following steps:
(1) the unmanned aerial vehicle ground station selects a working mode according to the information product category generated by the information processing system, and distributes and reports the information products;
(2) the command hall receives the reported information products, visually displays the information products which can be visually displayed according to the categories of the information products, and simultaneously stores data; for information products which cannot be visually displayed, only data storage is carried out.
Further, the specific mode of the step (1) is as follows:
(101) setting a multicast address by the ground station of the unmanned aerial vehicle;
(102) setting the number of the ground station of the unmanned aerial vehicle, and using the number when a plurality of sets of ground station information products are distributed and reported;
(103) setting a working mode, and selecting from five distribution reporting modes of original data, quick-view pictures, real-time videos, file products and message messages; when the working mode is the original data, selecting a specific original data type comprising original image data and electronic reconnaissance original data; when the working mode is the quick view film, selecting a specific quick view film catalogue; when the working mode is a file type product, selecting a specific file to be sent; when the working mode is a message, selecting a specific message to be sent;
(104) setting a transmission bandwidth which is specifically divided into 1Mbps, 2Mbps, 4Mbps and 8Mbps according to the physical channel bandwidth setting between the ground station and the commanding hall of the unmanned aerial vehicle, and the default is 2 Mbps;
(105) after the setting of three kinds of information products of original data, quick-view pictures and real-time videos is finished, framing according to a custom frame format and then automatically sending; after the setting of two kinds of information products of file products and message messages is finished, the information products are manually selected and are transmitted after being framed according to a self-defined frame format.
Further, in step (103), the quick-view picture is stored by an intelligence processing system of the ground station of the unmanned aerial vehicle, and the storage requirements are as follows:
when the information processing system generates the quick view film, the file sequence number stored every time starts from 1; when the quick-view picture is sent, automatic searching is started from the file serial number 1;
when the intelligence processing system generates the quick view picture, the file names do not contain 'ok' in the process from establishment to data storage, and after the single picture is stored, the file name is added with 'ok' to indicate that the picture is stored and the quick view picture can be sent.
Further, in step (105), the custom frame format is as follows:
the self-defined frame format data frame is 20KB in length, and if the last frame of the picture is less than 20KB, the picture is sent according to the actual size; the self-defined frame format comprises a frame header, a source address, a destination address, a data type, a total frame number, a data length of the frame and a data area from a low byte to a high byte in sequence.
Further, the specific manner of step (2) is as follows:
(201) the command hall sets a multicast address which is consistent with the multicast address of the ground station of the unmanned aerial vehicle; setting whether multicast receiving is a designated source, and if the multicast receiving is the designated source, setting an IP address of the designated source according to the number of the ground station of the unmanned aerial vehicle;
(202) if the original data and the information products are received, only storing the data according to a user-defined format without performing other processing; and if the quick-view picture, the real-time video and the message are received, automatically displaying the received quick-view picture, the real-time video and the message, and storing the quick-view picture, the real-time video and the message according to a user-defined format.
Compared with the background technology, the invention has the following advantages:
1. the invention provides a more general distribution and reporting method aiming at the sending and receiving scenes of unmanned aerial vehicle information products in the background technology, and the generalization degree is high.
2. The invention provides an unmanned aerial vehicle information reporting method which is divided into five information products according to different categories, the distribution and reporting of the five types of information products can be realized by utilizing a custom frame format, the sending rate can be adjusted according to the actual physical channel bandwidth, and the distribution and reporting of the information products of a plurality of sets of unmanned aerial vehicle ground stations can be realized.
3. The invention provides a distribution and reporting strategy for a quick-view picture information product, which realizes automatic search and distribution and reporting of a quick-view picture.
4. The invention provides a self-defined frame format, which supports the sending and receiving of five types of information products, a multi-sending end and a receiving end.
5. The invention provides an unmanned aerial vehicle information receiving method which is simultaneously adaptive to multicast receiving of a specified source and an unspecified source, can simultaneously receive and display various types of information products and stores the information products according to types.
Drawings
FIG. 1 is a schematic diagram of the principle of information distribution, reporting and reception in the embodiment of the present invention;
FIG. 2 is a flow chart of information distribution reporting in the embodiment of the present invention;
FIG. 3 is a flow chart of intelligence reception in an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
An unmanned aerial vehicle information product transmission method comprises the following steps:
(1) information product distribution and reporting: selecting a working mode according to the information product category generated by the unmanned aerial vehicle information processing system, and automatically or manually distributing and reporting the information products according to the working mode;
(2) receiving an information product: receiving unmanned aerial vehicle information products sent by an information product distribution reporting system, performing visual display on the type of the information products capable of being visually displayed according to the type of the information products, and simultaneously performing data storage; the information product type which can not be displayed visually is only stored in a data storage disk.
Wherein, the step (1) comprises the following steps:
(101) setting a multicast address, and requiring a receiver to be consistent with the multicast address;
(102) setting ground station numbers, which are mainly used for distributing and reporting a plurality of sets of ground station information products;
(103) and setting a working mode, and selecting five distribution reporting modes of original data, quick-view pictures, real-time videos, file products and message messages. When the working mode is the original data, specific original data types including original image data and electronic reconnaissance original data are selected; when the working mode is a quick-view picture, selecting a specific quick-view picture directory, wherein the specific quick-view picture directory can be selected from a local directory and a network sharing path; when the working mode is a file type product, selecting a specific file to be sent; when the working mode is a message, selecting a specific message to be sent;
(104) the method comprises the steps of setting a transmission bandwidth, specifically 1Mbps, 2Mbps, 4Mbps and 8Mbps according to the bandwidth of a physical channel between an unmanned aerial vehicle ground station and a receiver, and defaulting to 2 Mbps;
(105) after setting three kinds of information products of original data, quick-view pictures and real-time videos, framing according to a user-defined frame format and then automatically sending; after the setting of the file type product and the message type information product is finished, the file type product and the message type information product are manually selected and are sent after being framed according to a user-defined frame format.
Wherein, the quick-view picture in the step (103) is stored by the intelligence processing system, and the storage requirement is as follows:
when the information processing system generates the quick-view picture, the file sequence number stored every time starts from 1; when the quick-view picture is sent, automatic searching is started from the file serial number 1;
when the intelligence processing system generates the quick view picture, the file name is not 'ok' in the process from establishment to data storage, and when the single picture is stored, the file name plus 'ok' indicates that the picture is stored, the quick view picture can be sent.
For example, the stored fast view slice file name may be defined as "fast view slice generation year, month, day, hour, minute, second, file sequence number _ ok.jpg".
The custom frame format in step (105) is:
the length of the data frame in the custom frame format is 20KB, and if the last frame of the picture is less than 20KB, the picture is sent according to the actual size. The low byte to the high byte are the frame head, source address, destination address, data type, total frame number, data length and data area.
The step (2) specifically comprises the following steps:
(201) setting a multicast address, wherein the multicast address is consistent with a multicast address of a sending end; whether multicast reception is the appointed source or not can be set, and if the multicast reception is the appointed source, the IP address of the sending end is set according to the serial number of the ground station;
(202) if the original data and the information products are received, only storing the data according to a custom format without performing other processing; and if the quick-view picture, the real-time video and the message are received, automatically displaying the received quick-view picture, the real-time video and the message, and storing the quick-view picture, the real-time video and the message according to a user-defined format.
The following is a more specific example:
as shown in fig. 1, a general distribution report of the unmanned aerial vehicle intelligence products is sent to a command hall by an unmanned aerial vehicle ground station. The unmanned aerial vehicle information product that needs distribution to report mainly includes: the information processing system generates a quick-view picture in a JPG format and a picture in a BMP format, original image data sent by an unmanned aerial vehicle original data management system, video compressed data sent by a video acquisition system and a manually selected message.
An unmanned aerial vehicle ground station sending end, an information product distribution reporting system frames the five types of information products according to a self-defined frame format, and then sends the information products through a standard UDP multicast protocol; and the receiving end of the command hall performs framing according to a self-defined frame format, displays the received quick-view pictures in the JPG format, the pictures in the BMP format, the decompressed real-time video and message messages, and finally performs network distribution on the original image data through a standard TCP.
The method specifically comprises the following steps:
(1) information product distribution and reporting: selecting a working mode according to the information product category generated by the unmanned aerial vehicle information processing system, and automatically or manually distributing and reporting the information products according to the working mode;
(2) receiving an information product: receiving unmanned aerial vehicle information products sent by an information product distribution reporting system, performing visual display on the type of the information products capable of being visually displayed according to the type of the information products, and simultaneously performing data storage; the information product type which can not be displayed visually is only stored in a data storage disk.
As shown in fig. 2, the step (1) specifically includes the following steps:
(101) setting a multicast address, and requiring a receiver to be consistent with the multicast address; defining the multicast address range to be 228.0.0.22-238.255.255.255, and the default is 228.0.0.22;
(102) setting ground station numbers, which are mainly used for distributing and reporting a plurality of sets of ground station information products; defining 4 sets of unmanned aerial vehicle ground stations, and selecting the ground station number as No. 1 by default;
(103) and setting a working mode, and selecting a reporting mode from five distribution modes of original data, quick-view pictures, real-time videos, file products and message messages. When the working mode is the original data, selecting a specific original data type, for example, selecting the original image data; when the working mode is quick-view picture, selecting a specific quick-view picture directory, and selecting a folder KS1 from a local directory; when the working mode is a file product, selecting a specific file to be sent, such as selecting an intelligence product 20210901144623_000001_ ok.bmp; when the working mode is a message, selecting a specific message to be sent, for example, selecting a load to be on;
(104) setting a transmission bandwidth, specifically to 1Mbps, 2Mbps, 4Mbps and 8Mbps according to the setting of a physical channel bandwidth between an unmanned aerial vehicle ground station and a receiver, and defaulting to 2 Mbps;
(105) automatically sending original data, quick-view pictures and real-time videos according to a user-defined frame format after setting three information products; after the setting of the two kinds of information products of the file type products and the message messages is finished, the information products are manually selected and sent according to the self-defined frame format.
Wherein, the fast-view slice storage requirement in the step (103):
the stored fast view slice file name is defined as "fast view slice generation year, month, day, hour, minute, second file serial number _ ok.jpg", for example, "fast view slice 20210901144623_000001_ ok.jpg", "fast view slice 20210901144623_000002_ ok.jpg", "fast view slice 20210901144623_000003_ ok.jpg", and the like.
The file name of the stored file type intelligence product is defined as 'the year, month, day, hour, minute and second of the intelligence product generation _ file serial number _ ok.jpg',
for example, "intelligence product 20210901144623_000001_ ok.jpg", "intelligence product 20210901144623_000002_ ok.jpg"),
"intelligence product 20210901144623_000003_ ok.jpg", and so on.
Wherein, the quick look search strategy in step (105):
when the information processing system generates the quick-view picture, the file sequence number stored every time starts from 1; when the information distribution reporting system sends the quick-view picture, the automatic search is started from the file serial number 1;
when the intelligence processing system generates the quick view picture, the file name is not 'ok' in the process from establishment to data storage, and when the single picture is stored, the file name plus 'ok' indicates that the picture is stored, the quick view picture can be sent.
Customizing a frame format in the step (105):
the custom frame format data frame is 20KB in length, and if the last frame of the picture is less than 20KB, the picture is sent according to the actual size. The frame head, source address, destination address, data type, total frame number, frame number of the frame, data length of the frame and data area are arranged from low byte to high byte in sequence.
Frame head: fixed at 0xEB 90;
source address: 0xA1, 0xA2, 0xA3, 0xA4, and the like;
destination address: 0xB1, 0xB2, 0xB3, 0xB4, and the like;
data type: 0xC0 represents original data, 0xC1 represents fast view pictures, 0xC2 represents real-time video, 0xC3 file class product, and 0xC4 represents message packets;
total frame number: sending the total frame number required by the data of the information product;
the frame number of the frame is: counting the frame number from 1 in the range of 1-N, and filling 1 in the total frame number, the number of the frame and the length of the information data if the frame number is a message;
the data length of the frame is as follows: the effective length of the data area of the frame is less than or equal to 20480 bytes;
a data area: the actual transmitted intelligence data of this frame.
As shown in fig. 3, the step (2) specifically includes the following steps:
(201) setting a multicast address, wherein the multicast address is consistent with a multicast address of a sending end; whether multicast reception is the appointed source or not can be set, and if the multicast reception is the appointed source, the IP address of the sending end is set according to the serial number of the ground station;
(202) if the original data and the information products are received, only storing the data according to a custom format without performing other processing; and if the quick-view picture, the real-time video and the message are received, automatically displaying the received quick-view picture, the real-time video and the message, and storing the quick-view picture, the real-time video and the message according to a user-defined format.
In a word, the invention is divided into five information products according to different categories, can realize the distribution and report of the five types of information products by utilizing a self-defined frame format, can adjust the sending rate according to the actual physical channel bandwidth, can realize the distribution and report of the information products of a plurality of sets of unmanned aerial vehicle ground stations, and is suitable for the distribution and report scene of the information products of the unmanned aerial vehicle ground stations.
Claims (5)
1. An unmanned aerial vehicle information product transmission method is characterized by comprising the following steps:
(1) the unmanned aerial vehicle ground station selects a working mode according to the information product category generated by the information processing system, and distributes and reports the information products;
(2) the command hall receives the reported information products, visually displays the information products which can be visually displayed according to the categories of the information products, and simultaneously stores data; for information products which cannot be visually displayed, only data storage is carried out.
2. The method for transmitting the unmanned aerial vehicle information products according to claim 1, wherein the specific mode of the step (1) is as follows:
(101) setting a multicast address by the ground station of the unmanned aerial vehicle;
(102) setting the number of the ground station of the unmanned aerial vehicle, and using the number when a plurality of sets of ground station information products are distributed and reported;
(103) setting a working mode, and selecting from five distribution reporting modes of original data, quick-view pictures, real-time videos, file products and message messages; when the working mode is the original data, selecting specific original data types including original image data and electronic reconnaissance original data; when the working mode is the quick view film, selecting a specific quick view film catalogue; when the working mode is a file type product, selecting a specific file to be sent; when the working mode is a message, selecting a specific message to be sent;
(104) setting a transmission bandwidth which is specifically divided into 1Mbps, 2Mbps, 4Mbps and 8Mbps according to the physical channel bandwidth setting between the ground station and the commanding hall of the unmanned aerial vehicle, and the default is 2 Mbps;
(105) after the setting of three kinds of information products of original data, quick-view pictures and real-time videos is finished, framing according to a custom frame format and then automatically sending; after the setting of two kinds of information products of file products and message messages is finished, the information products are manually selected and are transmitted after being framed according to a self-defined frame format.
3. The method of claim 2, wherein in step (103) the quick view picture is stored by a intelligence processing system of the ground station of the drone, wherein the storage requirements are as follows:
when the information processing system generates the quick view film, the file sequence number stored every time starts from 1; when the quick-view picture is sent, automatic searching is started from the file serial number 1;
when the intelligence processing system generates the quick view picture, the file names do not contain 'ok' in the process from establishment to data storage, and after the single picture is stored, the file name is added with 'ok' to indicate that the picture is stored and the quick view picture can be sent.
4. The method of claim 2, wherein in step (105), the custom frame format is as follows:
the length of a data frame in a custom frame format is 20KB, and if the last frame of a picture is less than 20KB, the picture is sent according to the actual size; the self-defined frame format comprises a frame header, a source address, a destination address, a data type, a total frame number, a data length of the frame and a data area from a low byte to a high byte in sequence.
5. The method for transmitting the unmanned aerial vehicle information products according to claim 2, wherein the specific mode of the step (2) is as follows:
(201) the command hall sets a multicast address which is consistent with the multicast address of the ground station of the unmanned aerial vehicle; setting whether multicast receiving is a designated source, and if the multicast receiving is the designated source, setting an IP address of the designated source according to the number of the ground station of the unmanned aerial vehicle;
(202) if the original data and the information products are received, only storing the data according to a custom format without performing other processing; and if the quick-view picture, the real-time video and the message are received, automatically displaying the received quick-view picture, the real-time video and the message, and storing the quick-view picture, the real-time video and the message according to a user-defined format.
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| CN105490729A (en) * | 2015-11-26 | 2016-04-13 | 中国航天空气动力技术研究院 | Satellite link based one-to-many data transmission system, and method |
| CN108768494A (en) * | 2018-04-08 | 2018-11-06 | 天津航天中为数据系统科技有限公司 | A kind of unmanned plane relay TT&C method |
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