CN109993955A - A kind of General Aviation Flight data radio transmission apparatus based on G1000 system - Google Patents
A kind of General Aviation Flight data radio transmission apparatus based on G1000 system Download PDFInfo
- Publication number
- CN109993955A CN109993955A CN201910239001.4A CN201910239001A CN109993955A CN 109993955 A CN109993955 A CN 109993955A CN 201910239001 A CN201910239001 A CN 201910239001A CN 109993955 A CN109993955 A CN 109993955A
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- China
- Prior art keywords
- external storage
- module
- storage module
- flying quality
- data
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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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
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
-
- 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
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
Abstract
The present invention relates to a kind of General Aviation Flight data radio transmission apparatus, including terminal and ground-based server, the terminal is installed in aircraft, the terminal includes G1000 system, processor, program storage block, wireless data transceiver module and the second external storage module, and the program for being stored in described program memory module and being executed by the processor, the first external storage module is equipped in the G1000 system, the processor performs the steps of when executing described program and the flying quality in the first external storage module is synchronized in the second external storage module by data-interface；Compression encryption carried out to the flying quality stored in the second external storage module, and ground-based server is sent to by wireless data transceiver module and is decompressed by ground support system and decrypts to obtain flying quality.Compared with prior art, the present invention realizes the wireless transmission that flying quality is realized using G1000 system using the second external storage module of setting.
Description
Technical field
The present invention relates to a kind of aeronautical data transmission fields, more particularly, to a kind of General Aviation based on G1000 system
Flying quality radio transmission apparatus.
Background technique
It is G1000 (GARMIN G1000) system that navigation aircraft flight data acquisition and storage is most widely used at present,
G1000 collects the flying quality in aerial mission, is saved in self-contained SD card.Under normal circumstances, ground number
Mainly pass through flight crew according to administrative center and periodically copy SD card content and obtain its flying quality, can not achieve data immediately, have
It is transferred to effect earth station, is not easy to earth station to aircraft condition monitoring.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to be based on G1000 system
General Aviation Flight data radio transmission apparatus.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of General Aviation Flight data radio transmission apparatus, including terminal and ground-based server, the terminal are installed on
In aircraft, the terminal includes G1000 system, processor, program storage block, wireless data transceiver module and the second external memory
Module, and the program for being stored in described program memory module and being executed by the processor are stored up, is set in the G1000 system
There is the first external storage module, the processor performs the steps of when executing described program
The flying quality in the first external storage module is synchronized in the second external storage module by data-interface；
Compression encryption is carried out to the flying quality stored in the second external storage module, and is sent out by wireless data transceiver module
It send and is decompressed to ground-based server by ground support system and decrypt to obtain flying quality.
The G1000 system is per second to be acquired, records flight data, and the flying quality includes navigation data and starts
Machine state parameter.
The first external storage module and the second external storage module are SD card module.
The mode of the encryption is AES-128bits symmetric cryptography.
The process sent by wireless data transceiver module is specifically counted with ICP/IP protocol socket packet form
According to transmission.
The terminal further includes for the power module for each module for power supply.
Compared with prior art, the invention has the following advantages:
1) using setting the second external storage module, can synchronize stored in the first external storage module in G1000 system fly
Row data are directly based upon the flying quality stored in the second external storage module in subsequent applications layer and are handled, to realize
The wireless transmission of flying quality is realized using G1000 system.
2) in the way of AES-128bits symmetric cryptography, the navigation aircraft of G1000 system acquisition, storage can be taken into account
Flying quality feature, data encryption time and algorithm security.
It 3) is to monitor aircraft using the event that transfinites in flying quality analysis detection flight course the purpose of flight quality monitoring
With the health problem of engine, effective maintenance scheme removal security risk, to improve the reliability of aircraft, flight are taken in time
Data are the bases of flight quality monitoring, data wireless transmission it is instant, effectively obtain the development to flight quality monitoring
Data are provided with application to support.
Detailed description of the invention
Fig. 1 is configuration diagram of the invention；
Fig. 2 is wireless transmission platform collectivity Scheme Design schematic diagram.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
A kind of General Aviation Flight data radio transmission apparatus, including terminal and ground-based server, terminal are installed on flight
In device, terminal includes G1000 system, processor, program storage block, wireless data transceiver module and the second external storage module,
And the program for being stored in program storage block and being executed by processor, G1000 system is interior to be equipped with the first external storage module, place
Reason device performs the steps of when executing program
The flying quality in the first external storage module is synchronized in the second external storage module by data-interface；
Compression encryption is carried out to the flying quality stored in the second external storage module, and is sent out by wireless data transceiver module
It send and is decompressed to ground-based server by ground support system and decrypt to obtain flying quality.
The acquisition per second of G1000 system, record flight data, flying quality include navigation data and engine condition ginseng
Number.
First external storage module and the second external storage module are SD card module.
The mode of encryption is AES-128bits symmetric cryptography.
The process sent by wireless data transceiver module specifically carries out data with ICP/IP protocol socket packet form
It sends.
Terminal further includes for the power module for each module for power supply.
It is specific as follows, it is transferred to ground data center immediately, effectively to meet G1000 flying quality, is proposed following
Step:
A) G1000 collects the flying quality in aerial mission, is saved in the SD card of itself.
B the flying quality in flight course) is dumped to by external SD card by SD card switching interface, terminal software part is read
Take external SD card data.
C) terminal software part data are compressed, encryption, and will treated that ciphertext is sent wirelessly
To ground data administrative center.
D) ground-based server receiving end receives ciphertext, obtains clear data after decompression, decryption.
It is by terminal, WiFi router and ground based on the General Aviation Flight data wireless transmission platform under G1000 system
Face server composition.
The acquisition per second of G1000 system, record flight data.The navigation data and engine parameter of acquisition are on the one hand logical
It crosses two pieces or three pieces displays of aircraft cockpit and is presented to aircrew and make reference flight, on the other hand deposited by data recording function
Storage is into self-contained SD card (i.e. the first external storage module).
It is divided into the big portion in terminal and server end two based on the General Aviation Flight data wireless transmission platform under G1000 system
Point, terminal is made of hardware system and application software two parts again, and terminal is made of hardware system and application software two parts again,
Hardware realization is crosslinked with G1000, and software will be mounted on realization flight number on the server or computer at ground data center
According to acquisition, processing and transmission.
Wherein, terminal hardware realizes that with the crosslinking of G1000 SD card realized by SD card switching interface.SD card connects
Mouth is for solving the problems, such as flying quality acquiring way, and realization extends to SD card outside G1000, and terminal is facilitated to connect SD card,
Flying quality is operated.
During terminal software handles flying quality, it is encrypted as flying quality transmission safety and provides safeguard, i.e., terminal will
Clear data is converted into ciphertext by Encryption Algorithm, transmits ciphertext, and server is parsed into clear data after receiving ciphertext.Consider
G1000 system acquisition, storage navigation aircraft flight data feature, data encryption time and algorithm security, design use
AES-128bits symmetric cryptography.Aes algorithm structure is as follows:
Encryption Algorithm inputs the plaintext sequence of a 128bit (16 byte), embarks on journey to form a 4x4 through 4 byte packets
The content of byte matrix, referred to as state matrix, state matrix can be all changed after every single stepping, shape after the completion of last wheel
The content of state matrix exports the ciphertext sequence of a 128bit in order.Similarly, 128bit key also will do it division, composition
One 4x4 byte square matrix, 4 bytes in every row are referred to as a word, and 4 words of initial key form 44 by cipher key spreading
Word, every wheel take 4 words (4x4 matrix) and state matrix to carry out key add operation.In addition to prepared wheel and last wheel, remaining wheel adds
Close process includes the replacement of S box, row displacement, column mix, key adds 4 shift steps.
In the transmission method of flying quality of the present invention wireless transmission, after the completion of data acquisition, compression, encryption,
The transmission of data is carried out with ICP/IP protocol socket packet form.Terminal issues connection request, and server end is monitored and responded and asks
It asks, both sides carry out data transmission after shaking hands.
Earth station's server end monitors the IP and port numbers of the machine, responds connection request, receives flying quality, realizes data
It receives, receive process show, store, library updates and statistical function.Wherein, file reception and treatment process substep carry out,
File is decompressed again after data file finishes receiving, decryption oprerations, so as to shorten data time is received.
The flying quality wireless transmission platform for implementing General Aviation of the invention, has the advantages that flight quality
Monitoring purpose is using the event that transfinites in flying quality analysis detection flight course, and the health for monitoring aircraft and engine is asked
Topic takes effective maintenance scheme removal security risk, in time to improve the reliability of aircraft.Flying quality is flight quality prison
The basis of control, data wireless transmission it is instant, effectively obtain by flight quality monitoring development and application data branch is provided
It holds.
As shown in Figure 1, the General Aviation Flight data radio transmission apparatus course of work contains following steps:
What step S1 was indicated is that G1000 collects the flying quality in aerial mission, is saved in the SD card of itself,
And the flying quality in flight course is dumped to by external SD card by SD card switching interface, external SD is read in terminal software part
Card data.The acquisition per second of G1000 system, record flight data.The navigation data and engine parameter of acquisition are on the one hand logical
It crosses two pieces or three pieces displays of aircraft cockpit and is presented to aircrew and make reference flight, on the other hand deposited by data recording function
Storage is into self-contained SD card.Based on the General Aviation Flight data wireless transmission platform under G1000 system be divided into terminal and
Server end two large divisions, terminal are made of hardware system and application software two parts again, and terminal is again by hardware system and application
Software two parts composition, hardware realization and G1000 SD card, which carry out crosslinking, to be realized by SD card switching interface.SD card switching
Interface is for solving the problems, such as flying quality acquiring way, and realization extends to SD card outside G1000, and terminal is facilitated to connect SD
Card, operates flying quality.
What step S2 was indicated is that terminal software part carries out compression processing to data.The present invention is using lzw algorithm pair
Data carry out lossless compression.
What step S3 was indicated is that data are encrypted in terminal software part.In view of G1000 system acquisition, storage
Navigation aircraft flight data the characteristics of, data encryption time and algorithm safety, the present invention is using AES-128bits
Symmetric cryptography.
What step S4 was indicated is that terminal software part will treated that ciphertext is sent wirelessly to ground data management
Center.After the completion of data acquisition, compression, encryption, the transmission of data is carried out with ICP/IP protocol socket packet form.
What step S5 was indicated is that terminal issues connection request, and server end monitors the IP and port numbers of the machine, response connection
Request receives flying quality, realizes that data receiver, receive process show, store, library updates and statistical function.
What step S6 was indicated is that algorithm is decrypted to received data in ground-based server receiving end.
What step S7 was indicated is that ground-based server receiving end carries out decompression algorithm to received data.
In the present invention, radio transmission apparatus collectivity Scheme Design such as Fig. 2 is indicated, based on the General Aviation under G1000 system
Flying quality radio transmission apparatus is divided into terminal and server end two large divisions, and terminal is again by hardware system and application software two
It is grouped as, terminal is made of hardware system and application software two parts again, and hardware realization is crosslinked with G1000, and software will pacify
Acquisition, processing and the transmission of flying quality are realized on the server or computer at ground data center.
Claims (6)
1. a kind of General Aviation Flight data radio transmission apparatus, including terminal and ground-based server, the terminal are installed on winged
In row device, which is characterized in that the terminal includes G1000 system, processor, program storage block, wireless data transceiver module
It is described with the second external storage module, and the program for being stored in described program memory module and being executed by the processor
The first external storage module is equipped in G1000 system, the processor performs the steps of when executing described program
The flying quality in the first external storage module is synchronized in the second external storage module by data-interface；
Compression encryption is carried out to the flying quality stored in the second external storage module, and is sent to by wireless data transceiver module
Ground-based server is decompressed by ground support system and decrypts to obtain flying quality.
2. a kind of General Aviation Flight data radio transmission apparatus according to claim 1, which is characterized in that described
The acquisition per second of G1000 system, record flight data, the flying quality includes navigation data and engine state parameters.
3. a kind of General Aviation Flight data radio transmission apparatus according to claim 1, which is characterized in that described first
External storage module and the second external storage module are SD card module.
4. a kind of General Aviation Flight data radio transmission apparatus according to claim 1, which is characterized in that the encryption
Mode be AES-128bits symmetric cryptography.
5. a kind of General Aviation Flight data radio transmission apparatus according to claim 1, which is characterized in that described to pass through
The process that wireless data transceiver module is sent carries out the transmission of data specifically with ICP/IP protocol socket packet form.
6. a kind of General Aviation Flight data radio transmission apparatus according to claim 1, which is characterized in that the terminal
It further include for the power module for each module for power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239001.4A CN109993955B (en) | 2019-03-27 | 2019-03-27 | General aviation flight data wireless transmission equipment based on G1000 system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239001.4A CN109993955B (en) | 2019-03-27 | 2019-03-27 | General aviation flight data wireless transmission equipment based on G1000 system |
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| CN109993955A true CN109993955A (en) | 2019-07-09 |
| CN109993955B CN109993955B (en) | 2020-11-20 |
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| CN109993955B (en) | 2020-11-20 |
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