CN105539867B - Based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D43/00—Arrangements or adaptations of instruments
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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Abstract
The present invention is proposed based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, including the flight displays of interconnection, platform, air navigation attitude collecting unit, operation control panel and Unified Network bus is uniformly processed；It includes power module PSM, common process module CPM, common interface module IOM, radio frequency interface processing module RFM, audio processing modules AUDIO, start control module ACM that platform, which is uniformly processed,；Power module PSM inputs airborne+28VDC normal power sources and+24VDC emergency power supplies, and+12VDC the power supplys needed for platform interior module, air navigation attitude collecting unit and operation control panel are transformed to after conversion；The present invention proposes a kind of based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it can realize further increasing for security of system, it is capable of the demand of flexible adaptation different type aircraft, can realizes that the function of the different fields such as general-purpose aircraft aviation electronics, flight control, flight management and blank pipe is integrated.
Description
Technical field
The invention belongs to mobile systems and mechanical discipline field, and in particular to technology is general-purpose aircraft airborne electronic equipment system skill
Art, using general-purpose aircraft as application, it is proposed that a kind of based on the general-purpose aircraft airborne electronic equipment system architecture that platform is uniformly processed.
Background technology
The airborne electronic equipment system of general-purpose aircraft refers to that the electronic system of normal flight required by task outfit is completed for support, one
As may include synthesis display, parameter acquisition, communication, navigation, monitoring, fly control, record, safeguard and alarm etc. functions.
Airborne electronic equipment system is knowledge, brain and the nerve of general-purpose aircraft, it may be said that its advanced degree is general-purpose aircraft
As soon as the important symbol of state-of-art, without advanced airborne electronic equipment system without advanced general-purpose aircraft.Therefore logical
It is one of the key technology of general-purpose aircraft development with the airborne electronic equipment system of aircraft.By constantly breaking through general airborne Department of Electronics
Core technology in system can be continuously improved general-purpose aircraft safety, reliability and airworthiness, while be designed by optimization system
And the economy of general-purpose aircraft, comfort, the feature of environmental protection, flexibility can be further enhanced using new airborne electronic equipment systems technology
With maintenanceability etc..Current general-purpose aircraft airborne electronic equipment system has the following problems：
A. synthesization degree still is apparent not enough, it is difficult to further provide for that flight safety synthesization is contributed to judge information；
B. it is still separate configurations in physical form, the functions such as aviation electronics, flight control, flight management and blank pipe are still by only
Vertical equipment realizes that integration degree is difficult to improve, and the increase of function needs to increase autonomous device, causes development cost relatively
It is high；
C. application flexibility is poor, and system is unable to the different types of general-purpose aircraft of flexible adaptation, needs to be directed to specific aircraft
The needs of aircraft could be met by carrying out larger change.
Therefore, it is desirable to which more advanced airborne electronic equipment system can be developed, to meet wanting for the following variety classes general-purpose aircraft
It asks.
Invention content
In order to solve the technical problem in the presence of background technology, the present invention proposes a kind of based on platform is uniformly processed
General-purpose aircraft airborne electronic equipment system, can realize further increasing for security of system, being capable of flexible adaptation different type aircraft
Demand, can realize that the function of the different fields such as general-purpose aircraft aviation electronics, flight control, flight management and blank pipe is integrated,
To meet the practical application request of the following variety classes general-purpose aircraft.
Technical solution of the invention is：Based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, feature
It is：The electronic system includes the flight displays being connected with each other, platform is uniformly processed, air navigation attitude collecting unit, operates
Control panel and Unified Network bus；
The platform that is uniformly processed includes power module PSM, common process module CPM, common interface module IOM, radio frequency
Interface processing module RFM, audio processing modules AUDIO, start control module ACM；
The power module PSM inputs airborne+28VDC normal power sources and+24VDC emergency power supplies, is converted after conversion
For+12VDC the power supplys needed for platform interior module, air navigation attitude collecting unit and operation control panel；PSM is total by Unified Network
Line to CPM periodicity sendings status information and receive CPM transmission control command；
The common process module CPM provides the public calculating that platform is uniformly processed and process resource, CPM are integrated embedded
Real time partitioned operating system provides unified application programming interfaces standard, and the function of being resident multiple and different safe classes is allowed to answer
Use program；
General input/output interface in the common interface module IOM offer systems is realized to engine parameter, fuselage
Parameter, the acquisition of power parameter and fuel oil parameter general parameter and the output of some discrete amount control signal；IOM will be acquired
To data CPM processing is supplied to by Unified Network bus, and pass through Unified Network bus and receive the control that CPM is sent
Signal；
Radiofrequency signal transmitting-receiving in the radio frequency interface processing module RFM offer systems and processing function；Including VHF electricity
Platform, VOR, ILS, ADF, DME, MKR, answering machine, the Big Dipper and GPS interface；Data after parsing are passed through Unified Network bus by RFM
It is supplied to CPM processing, and the control signal and output data that CPM is sent are received by Unified Network bus；
The audio processing modules AUDIO include 1 road it is main drive, the input of the microphone speech of 1 tunnel the passenger side and 4 tunnel passengers, ear
Machine sound output interface, the sound output interface of 1 road cockpit loudspeaker, 6 road navigating audio signal input interfaces, 4 road alarm calls
Sound input interface；
Start control module ACM receives the control signal and output data that CPM is sent by Unified Network bus, and will hold
Row result is supplied to CPM processing by Unified Network bus.
The above-mentioned platform that is uniformly processed further includes expansion connection module EIO, the number of integration standard on expansion connection module EIO
Interface, EIO carry out the interaction of data by consolidated network element and CPM.
Common process module CPM use large capacity random access memory and solid-state electronic disk, support navigational route database, figurate number
According to the real time execution in library and other databases；Common process module CPM is using double redundant configurations.
On expansion connection module EIO the digital interface of integration standard be ARINC429, RS422, ARINC453,
ARINC708。
The type of common interface module IOM interfaces includes discrete magnitude interface, analog voltage acquisition interface, analog current acquisition
Interface, resistance acquisition interface and thermocouple input acquisition interface.
Above-mentioned flight displays includes graphics processor；The graphics processor includes：
Interface data processing：Flight displays is obtained by external interface needs various data informations to be shown, and data are logical
It crosses Unified Network bus and external video input obtains, including air, navigation attitude, control, communication, navigation, monitoring information；
Processing data information：These data of acquisition are handled in the way of synthesization, are believed according to different displays
Specification, agreement, format and the mode of breath require, and being processed into can be according to figured data；
Show conversion process：Graph data to be shown will be needed to be converted to the image that can be directly displayed by display screen,
Data information is converted to can be with the graphical information of the symbol of Direct Recognition, character；
Image is shown：Directly displaying for required image is carried out by liquid crystal display.
Above-mentioned air navigation attitude collecting unit integrates multiple sensors, and atmospheric pressure, temperature and aspect physical quantity is straight
Switch through and be changed to corresponding electric signal, to being supplied to rear class to handle by Unified Network bus after electric signal progress digital quantization；
Interface data acquires：Including two parts, first, to the input signal of external atmospheric pressure, atmosphere temperature transducer
Conversion acquisition is carried out, second is that internal accelerometer, gyroscope navigation attitude sensor signal are converted and acquired；
Air navigation attitude data processing：The protoatmosphere navigation attitude data of acquisition are filtered, the operations such as abnormal data erasing, by this
A little data are output to Unified Network according to the format of regulation；
Operation control panel：The operating member of operation and control panel offer button, number, character, cursor, switch, control
Operation is converted into command signal and is supplied to rear class to handle by Unified Network bus.
Above-mentioned Unified Network bus uses the FlexRay buses of bus type topological structure.
The present invention has the advantage that effect：
1) high system safety：System architecture with high security speciality can pass through the software and hardware resources of offer redundancy
And the network interconnection bus of redundancy, it disclosure satisfy that the needs of different safety class, support the function of high safety grade to realize, such as
Fly pipe, fly control etc.；
2) system being capable of flexible configuration：With telescopic system architecture characteristic, pass through extension or the configuration of clip system
The function of can adapt to different type aircraft and different safety class realizes, can cover the portions CCAR23 fixed wing aircraft and
The application demand of the portions CCAR27 gyroplane；
3) the integrated of cross-cutting aircraft function is realized on platform is uniformly processed：General-purpose aircraft is directed to for the first time to propose at one
The function of general-purpose aircraft different field is integrated on processing platform.Since the function of the systems such as avionics, winged control, blank pipe belongs to
The different field of aircraft, they have larger difference to safety, the cycle of operation and resource requirement, are based on this framework, can
Using system share and redundant resource realizes that these are integrated, it is this integrated to generate following advantages：
A) general-purpose aircraft can be made to meet the requirement of the following new navigation system；
B) safety of general-purpose aircraft flight can be further increased；
C) volume, power consumption, weight of general-purpose aircraft airborne electronic equipment system can be further decreased.
Description of the drawings
Fig. 1 is general-purpose aircraft airborne electronic equipment system architecture schematic diagram of the present invention；
Fig. 2 be the present invention platform composition schematic diagram is uniformly processed；
Specific implementation mode
The present invention is based on the general-purpose aircraft airborne electronic equipment system architectures that platform is uniformly processed to see Fig. 1, including is uniformly processed flat
Platform, flight displays, air navigation attitude collecting unit, operation control panel and several parts of Unified Network.
Platform is uniformly processed：Using the design that platform is uniformly processed, the part resource in system is focused on, is carried
High system synthesization degree, and reduce exterior wiring.Platform is uniformly processed by synthesization, modularization, standardized physics
Module forms, including power module, common process module, common interface module, audio processing modules, radio frequency interface handle mould
Block, start control module, expansion connection module, different types of interface module are sent after being acquired the various information on aircraft
To common process module, the operating system based on subregion, low layer driving is used to realize external data in common process module
These information are passed to application program by dissection process by API application programming interfaces, and application program is by executing calculating, place
The processes such as reason, operation realize corresponding function.The quantity of these modules can be according to the demand flexible configuration of system.
Flight displays：Flight displays uses intelligent display, realizes the display function of system information, flight displays
Inside uses high performance graphics processor, integrates topographic database and navigational route database, can support high speed dynamic 3 D figure
Shape real-time display, and external video image can be superimposed.Different function configurations may be implemented in flight displays, can either pass through
Unibus network receives the data after common process resume module and is shown accordingly, and can be directly from unibus
It obtains initial data oneself on network to be handled and shown, flight displays quantity can carry out on Unified Network according to demand
Extension.
Air navigation attitude collecting unit：Navigation attitude component needs on the specific position of aircraft, so using individual mould
Block realizes air navigation attitude function, and air navigation attitude collecting unit integrates different sensors, by atmospheric pressure, temperature and aspect
Etc. physical quantitys be converted directly into corresponding electric signal, to these electric signals carry out digital quantization after be supplied to by Unified Network after
Grade processing.
Operation control panel：Operation and control panel is the man-machine interface part of crew, and crew can be controlled by operating
Panel processed realizes the operation and control to airborne equipment.Operation and control panel provides the operations such as button, number, character, cursor, switch
Component, the operation of these controls are converted into command signal and are supplied to rear class to handle by Unified Network.
Unified Network：Unified Network is as the data interaction access in system, to the safety of system, economy, flexibly
Property and scalability have important influence, Unified Network use FlexRay buses, using bus type topological structure.Unified net
The physics realization of network is integrated in all parts unit hardware composition inside, is capable of the redundant configuration of supporting bus.
It is mainly described in detail below to platform composition is uniformly processed.
(1) platform is uniformly processed
The core that platform is system is uniformly processed, using integrated physical arrangement, related function module group is woven in one
It rises, in favor of resource-sharing and information sharing, so as to realize correlation function in the method for synthesization, with former using independent
Equipment realizes that the framework of each function compares, and can effectively mitigate system bulk, weight and power consumption, and reduce system cost.
Platform is uniformly processed to be made of different function modules, these function modules use General design thought, can
Meet different applications environment.Module type includes power module (PSM), common process module (CPM), common interface module
(IOM), radio frequency interface processing module (RFM), audio processing modules (AUDIO), start control module (ACM), expansion interface mould
The quantity of block (EIO), module can carry out flexible configuration according to system requirements.By integrated stand by these modules physically
It is fixed and interconnects, integrated stand can carry out telescopic arrangement as needed.The composition schematic diagram that platform is uniformly processed is shown in figure
2.The modules function being uniformly processed in platform is introduced separately below.
PSM modules:
Power module (PSM) provides the power supply of platform interior module and portion of external module, and power module input is
Airborne+28V power supplys and+24V emergency power supplies, output multi-channel+12VDC power supplys.PSM modules are designed using intelligent power supply, to output
Multiple power supplies can independent control power and monitor its state in real time.PSM modules meet power input and voltage in DO160G
The environmental requirement of spike has the protective capabilities such as filtering, due to voltage spikes, surge, overcurrent, overvoltage, instantaneous power-down, and is capable of providing
External power supply power down indication signal supports power switch control input.
CPM modules:
Common process module (CPM) provides public calculating and the process resource that platform is uniformly processed, thereon will be resident multiple
Functional application, CPM use embedded partitions operating system, provide unified application programming interfaces standard.It can in CPM modules
Support following application operation：
A) air navigation attitude function；
B) operation and control function；
C) communication function, including the communication of VHF function of voice communication, interior words communication function, VHF data-links, passenger entertainment work(
Energy；
D) navigation feature, including VOR, ILS, ADF, DME, MKR, the Big Dipper, GPS, flight management function；
E) function for monitoring, including S mode blank pipe answering, ADS-B functions, aerial collision prevention function, weather forecast function；
F) engine/body parameters processing function；
G) flight control function；
H) integrated maintenance function；
I) system alarm function.
IOM modules：
General input/output interface, can realize to engine parameter, machine in input/output module (IOM) offer system
The acquisition of the general parameters such as body parameter, power parameter and fuel oil parameter.The type of IOM module interfaces includes discrete magnitude interface, mould
The physical quantitys such as quasi- voltage acquisition interface, analog current acquisition interface, resistance acquisition interface and thermocouple input acquisition interface connect
Mouthful, it disclosure satisfy that the demand of most of general-purpose aircrafts, the extension of interface quantity can be realized by increasing module number, interface configuration
Configuration can pass through software realization.
RFM modules：
Radiofrequency signal transmitting-receiving in radio frequency interface processing module (RFM) offer system and processing function, can realize at present
The common radio frequency interface signal processing of general-purpose aircraft mobile system, including the radio station VHF, VOR, ILS, ADF, DME, MKR, response
The interfaces such as machine, the Big Dipper and GPS.RFM uses the design philosophy of software radio, all rf processing circuitries to use unified hardware
Platform realizes the functions such as modulation /demodulation, the signal resolution of each function by FPGA, and generalization and the configuration energy of module can be improved
Power.
AUDIO modules:
Audio processing modules (AUDIO) provide the processing function of system sound intermediate frequency signal.It can realize and main drive, the passenger side and multiply
Microphone speech input interface, headphones sound output interface, the sound output interface of loudspeaker, the alarm sound input interface etc. of visitor
Audio interface processing.
ACM modules:
Start control module (ACM) provides the output control function of actuator.ACM module combination actuator can operate winged
The rudder face and flap configuration of machine achieve the purpose that automatic Pilot, ACM modules can to control the pitching, roll and course of aircraft
Redundant configurations are flexibly carried out to meet the requirement of safety.
EIO modules:
Expansion connection module (EIO) provides the expanded function of serial digital circuit and special special circuit.When system needs
Certain functions, such as weather radar, satellite transceiver etc. are extended, or work as aircraft there are certain special applications, needed
Increase and such as see when taking aim at system, monitoring system, system and existing goods shelf products is needed to interconnect, interfaces of these interconnections are typically
ARINC429, RS422, ARINC453, ARINC708 etc., even special purpose interface, meets this by EIO modules at this time sometimes
A little demands.
Illustrate the specific implementation mode of the present invention below in conjunction with attached drawing 1,2:
It is described in the invention based on the general-purpose aircraft electronic system framework that platform is uniformly processed, including flight displays 1
(quantity can be configured to 1-4 platforms according to actual needs), it is uniformly processed that platform 2, (quantity can be according to reality for air navigation attitude collecting unit 3
Border needs to configure as 1-2 platforms), operation control panel 4 (quantity can be configured to 0-2 platforms according to actual needs) and Unified Network 5.
Platform is uniformly processed as system core unit, is made of the module of variety classes and quantity, is responsible for external interface
Input and output control, being uniformly processed of internal interface data, the unified management of resource, the operation of application program and internal electric source
Conversion function.It includes power module (PSM) 201, common process module (CPM) 202, common interface module that platform, which is uniformly processed,
(IOM) 203, radio frequency interface processing module (RFM) 204, audio processing modules (AUDIO) 206, start control module (ACM)
205, the quantity of expansion connection module (EIO) 211, each module can carry out flexible configuration according to system requirements.It is uniformly processed flat
Platform can realize its function by following module：
Power module (PSM) inputs airborne+28VDC normal power sources and+24VDC emergency power supplies, is transformed to after conversion
+ 12VDC power supplys needed for platform interior module, air navigation attitude collecting unit and operation control panel.PSM is set using intelligent power supply
Meter, is internally integrated controller chip, can monitor its state in real time to output multi-channel+12VDC power supplys and independent control is powered.
PSM meets the environmental requirement of power input and due to voltage spikes in DO160G, has filtering, due to voltage spikes, surge, overcurrent, mistake
The protective capabilities such as pressure, instantaneous power-down, and it is capable of providing external power supply power down indication signal, support power switch control input.PSM
Using double redundant configurations, all system function failures after preventing single supply from failing improve security of system.PSM passes through unified net
Network bus to CPM module periodicity sending status informations and receive CPM modules transmission control command.
Common process module (CPM) provides public calculating and the process resource that platform is uniformly processed, the integrated embedded realities of CPM
When partition operating system, unified application programming interfaces standard is provided, allow be resident multiple and different safe classes application of function
Program.CPM use high-performance processor, possess large capacity random access memory and solid-state electronic disk, can support navigational route database,
The real time execution of topographic database and other databases.CPM is using double redundant configurations, whole system work(after preventing single module from failing
It can fail, improve security of system.CPM by the data information of other modules or equipment in Unified Network reception system,
Inside forms the data-interface of standard after being focused on, be supplied to top level application program.The function of top level application program can
Configuration can need to carry out different function configuration according to system practical application.The output of top level application program passes through Unified Network
It is sent to other modules or equipment in system, realizes being uniformly controlled and handling for system.
General input/output interface, can realize to engine parameter, machine in common interface module (IOM) offer system
The acquisition of the general parameters such as body parameter, power parameter and fuel oil parameter and the output of some discrete amount control signal.IOM can
The type of the interface of support includes that discrete magnitude interface, analog voltage interface, analog current interface, resistance interface and thermocouple are defeated
The physical quantitys interface such as incoming interface, the configuration of interface configuration can be by software realization, so as to meet the need of most of general-purpose aircrafts
It asks, the extension of interface quantity can be realized by increasing module number.Collected data are supplied to by IOM by Unified Network
CPM modules are handled, and receive the control signal that CPM is sent by Unified Network.
Radiofrequency signal transmitting-receiving in radio frequency interface processing module RFM offer systems and processing function can be realized logical at present
With the common radio frequency interface signal processing of aircraft on-board systems, including the radio station VHF, VOR, ILS, ADF, DME, MKR, answering machine,
The interfaces such as the Big Dipper and GPS.RFM is designed based on software and radio technique, and rf processing circuitry uses unified hardware platform, including
Front-end processing and back-end digital process part, the main pretreatment for realizing input and output radiofrequency signal of leading portion processing, radio frequency is believed
It number is converted into digital signal and is sent to rear end being handled.Rear end uses High Performance FPGA Design, is patrolled by FPGA internal programmables
Modulation /demodulation, the signal resolution etc. for realizing each function are collected, the agreement of parsing can be configured by software, radio frequency is improved
The adaptability of interface, RFM quantity can be configured according to system requirements.Data after parsing are supplied to CPM by RFM by Unified Network
Module is handled, and receives the control signal and output data that CPM is sent by Unified Network.
Audio processing modules (AUDIO) provide the processing function of system sound intermediate frequency signal.Can realize 1 road it is main drive, 1 tunnel pair
It drives and the input of the microphone speech of 4 tunnel passengers, headphones sound output interface, the sound output interface of 1 road cockpit loudspeaker, 6 tunnels
The processing of the audio interface such as navigating audio signal input interface, 4 road alarm sound input interfaces.AUDIO uses digital audio and video signals
Processing mode can handle the input and output analog audio signal of external interface and the digital audio letter of internal bus transmission
Number.It is converted into digital signal after inputting the pretreatments such as filtered analog audio signal, matching, noise reduction, AUDIO can also pass through
Unified Network receives the digital audio and video signals that CPM is sent, and the audio signal of these inputs is in internal digital signal processor
The Digital Signal Processing such as audio mixing, control are carried out, the output of analog signal signal is then converted into.AUDIO can pass through software realization
Export the control and configuration of audio interface.
Start control module (ACM) provides the output control function of actuator.ACM module combination actuator can operate winged
The rudder face and flap configuration of machine achieve the purpose that automatic Pilot to control the pitching, roll and course of aircraft.The integrated marks of ACM
Accurate actuator control interface function can acquire the action feedback of actuator, correctly control is exported after inside is calculated
Signal processed, ACM can flexibly carry out redundant configurations to meet the requirement of safety.ACM receives the control that CPM is sent by Unified Network
Signal processed and output data, and it is supplied to CPM modules to handle by Unified Network implementing result.
Expansion connection module (EIO) provides the expanded function of serial digital circuit and special special circuit.When system needs
Certain functions, such as weather radar, satellite transceiver etc. are extended, or work as aircraft there are certain special applications, needed
Increase and such as see when taking aim at system, monitoring system, system and existing goods shelf products is needed to interconnect, interfaces of these interconnections are typically
ARINC429, RS422, ARINC453, ARINC708 etc., even other special purpose interfaces, this is integrated in EIO modules sometimes
The digital interface of a little standards is used for meeting these demands.EIO carries out the interaction of data by Unified Network and CPM.
Flight displays：Flight displays uses intelligent display, realizes the display function of system information, flight displays
Inside uses high performance graphics processor, integrates topographic database and navigational route database, can support high speed dynamic 3 D figure
Shape real-time display, and external video image can be superimposed.Different function configurations may be implemented in flight displays, can either pass through
Unibus network receives the data after common process resume module and is shown accordingly, and can be directly from unibus
It obtains initial data oneself on network to be handled and shown, flight displays has touch control function, and touch may be used
Mode realizes that the operation and control function of system, quantity can be extended on Unified Network according to demand.Flight displays master
Correlation function is executed by following components：
A. interface data is handled：Flight displays is obtained by external interface needs various data informations to be shown, these
Data are mainly obtained by Unified Network and external video input, including air, navigation attitude, control, communication, navigation, monitoring etc. are no
The information of congenerous；
B. processing data information：These data of acquisition are handled in the way of synthesization, according to different displays
Specification, agreement, format and the mode of information require, and are processed into use according to figured data, such as parameter
Round or bar chart is shown, parameter is shown color, parameter-beyond-limit representation etc.；
C. conversion process is shown：Graph data to be shown will be needed to be converted to the figure that can be directly displayed by display screen
Picture, these data informations be converted to can with graphical informations such as the symbol of Direct Recognition, characters,
D. image is shown：Directly displaying for required image is carried out by liquid crystal display.
Air navigation attitude collecting unit：Navigation attitude component needs on the specific position of aircraft, so using individual mould
Block realizes air navigation attitude function, and air navigation attitude collecting unit integrates different sensors, by atmospheric pressure, temperature and aspect
Etc. physical quantitys be converted directly into corresponding electric signal, to these electric signals carry out digital quantization after be supplied to by Unified Network after
Grade processing.Air navigation attitude collecting unit executes correlation function by following components：
A. interface data acquires：Include mainly two parts, when to external atmospheric pressure, atmosphere temperature transducer it is defeated
Enter signal and carry out conversion acquisition, second is that the navigation attitudes sensor signals such as internal accelerometer, gyroscope are converted and acquired；
B. air navigation attitude data processing：The protoatmosphere navigation attitude data of acquisition are filtered first, the behaviour such as abnormal data erasing
Make, these data are then output to Unified Network according to the format of regulation.
Operation control panel：Operation and control panel is the man-machine interface part of crew, and crew can be controlled by operating
Panel processed realizes the operation and control to airborne equipment.Operation and control panel provides the operations such as button, number, character, cursor, switch
Component, the operation of these controls are converted into command signal and are supplied to rear class to handle by Unified Network.Operation control panel passes through
Following components execute correlation function：
C. the input man-machine interface of operational controls：The man-machine interfaces such as button, knob and rocking bar are provided on operation and control panel
Control can make crew carry out the input of control command by it；
D. the state instruction of operational controls：The state that control operation is indicated by modes such as indicator lights, is supplied to unit people
Member is identified；
E. data processing is manipulated：The acquisition and processing for carrying out control input state pass through unified net according to the format of agreement
Network reports the state of these controls.
Unified Network：Unified Network is as the data interaction access in system, to the safety of system, economy, flexibly
Property and scalability have important influence, Unified Network use FlexRay buses, using bus type topological structure.Unified net
The physics realization of network is integrated in all parts unit hardware composition inside, using unified standard communication protocol, can support total
The dual redundant configuration of line.
Claims (8)
1. based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：The electronic system includes mutual
Platform, air navigation attitude collecting unit, operation control panel and Unified Network bus is uniformly processed in the flight displays of connection；
The platform that is uniformly processed includes power module PSM, common process module CPM, common interface module IOM, radio frequency interface
Processing module RFM, audio processing modules AUDIO, start control module ACM；
The power module PSM inputs airborne+28VDC normal power sources and+24VDC emergency power supplies, is transformed to put down after conversion
+ 12VDC power supplys needed for platform internal module, air navigation attitude collecting unit and operation control panel；PSM is given by Unified Network bus
CPM periodicity sendings status information and the control command for receiving CPM transmissions；
The common process module CPM provides public calculating and the process resource that platform is uniformly processed, and CPM is integrated embedded in real time
Partition operating system provides unified application programming interfaces standard, allows the application of function journey for being resident multiple and different safe classes
Sequence；
General input/output interface in the common interface module IOM offer systems is realized and is joined to engine parameter, fuselage
Number, the acquisition of power parameter and fuel oil parameter general parameter and the output of some discrete amount control signal；IOM will be collected
Data CPM processing is supplied to by Unified Network bus, and pass through Unified Network bus and receive the control letter that CPM is sent
Number；
Radiofrequency signal transmitting-receiving in the radio frequency interface processing module RFM offer systems and processing function；Including the radio station VHF,
VOR, ILS, ADF, DME, MKR, answering machine, the Big Dipper and GPS interface；RFM carries the data after parsing by Unified Network bus
CPM processing is supplied, and the control signal and output data that CPM is sent are received by Unified Network bus；
The audio processing modules AUDIO include 1 road it is main drive, the input of the microphone speech of 1 tunnel the passenger side and 4 tunnel passengers, earphone sound
Sound output interface, the sound output interface of 1 road cockpit loudspeaker, 6 road navigating audio signal input interfaces, 4 road alarm sounds are defeated
Incoming interface；
Start control module ACM receives the control signal and output data that CPM is sent by Unified Network bus, and will execute knot
Fruit is supplied to CPM processing by Unified Network bus.
2. according to claim 1 based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：Institute
It further includes expansion connection module EIO to state and platform is uniformly processed, the digital interface of integration standard on expansion connection module EIO, and EIO is logical
It crosses Unified Network bus and CPM carries out the interaction of data.
3. according to claim 2 based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：It is public
Coprocessing module CPM uses large capacity random access memory and solid-state electronic disk, supports navigational route database, topographic database and other
The real time execution of database；Common process module CPM is using double redundant configurations.
4. according to claim 3 based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：Expand
The digital interface for opening up integration standard on interface module EIO is ARINC429, RS422, ARINC453, ARINC708.
5. according to claim 4 based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：It is logical
Type with interface module IOM interfaces includes discrete magnitude interface, analog voltage acquisition interface, analog current acquisition interface, resistance
It measures acquisition interface and thermocouple inputs acquisition interface.
6. according to claim 5 based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：Institute
It includes graphics processor to state flight displays；The graphics processor includes：
Interface data processing：Flight displays is obtained by external interface needs various data informations to be shown, data to pass through system
One network-bus and external video input obtain, including air, navigation attitude, control, communication, navigation, monitoring information；
Processing data information：These data of acquisition are handled in the way of synthesization, according to different display information
Specification, agreement, format and mode require, and being processed into can be according to figured data；
Show conversion process：Graph data to be shown will be needed to be converted to the image that can be directly displayed by display screen, data
Information is converted to can be with the graphical information of the symbol of Direct Recognition, character；
Image is shown：Directly displaying for required image is carried out by liquid crystal display.
7. according to claim 6 based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：Institute
It states air navigation attitude collecting unit and integrates multiple sensors, atmospheric pressure, temperature and aspect physical quantity are converted directly into phase
The electric signal answered, to being supplied to rear class to handle by Unified Network bus after electric signal progress digital quantization；
Interface data acquires：Including two parts, first, the input signal to external atmospheric pressure, atmosphere temperature transducer carries out
Conversion acquisition, second is that internal accelerometer, gyroscope navigation attitude sensor signal are converted and acquired；
Air navigation attitude data processing：The protoatmosphere navigation attitude data of acquisition are filtered, abnormal data erasing operation, by these data
It is output to Unified Network bus according to the format of regulation；
Operation control panel：The operating member of operation and control panel offer button, number, character, cursor, switch, the operation of control
Be converted into command signal is supplied to rear class to handle by Unified Network bus.
8. according to claim 7 based on the general-purpose aircraft airborne electronic equipment system that platform is uniformly processed, it is characterised in that：Institute
State the FlexRay buses that Unified Network bus uses bus type topological structure.
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| DE102017003434B4 (en) * | 2017-04-08 | 2018-10-18 | Diehl Aerospace Gmbh | Arrangement and method for an aircraft for transmitting an analog audio signal |
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| CN108267710A (en) * | 2017-12-29 | 2018-07-10 | 北京安达维尔航空设备有限公司 | One kind is for the radionavigational multi-mode combination reception system of aircraft |
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