CN109308756A - A kind of intelligent control system of aircraft cockpit - Google Patents
A kind of intelligent control system of aircraft cockpit Download PDFInfo
- Publication number
- CN109308756A CN109308756A CN201811274444.9A CN201811274444A CN109308756A CN 109308756 A CN109308756 A CN 109308756A CN 201811274444 A CN201811274444 A CN 201811274444A CN 109308756 A CN109308756 A CN 109308756A
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- Prior art keywords
- information
- unit
- control system
- cockpit
- driver
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/33—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a password
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of intelligent control systems of aircraft cockpit, including cloud service platform, information acquisition unit and access control system；Information acquisition unit, access control system are connect with cloud service platform；Cloud service platform is used to carry out data interaction with ground support system；Information acquisition unit is set to cockpit, is sent to cloud service platform for acquiring the image and acoustic information of cockpit, and by collected information；Access control system is used to control the entrance of driver, identifies and judges that driver leaves or enters the switch state of the signal of cockpit, cockpit door, and the highest control authority according to information distribution access control system in cockpit.The present invention has ensured the safe coefficient in cockpit by intelligent control system in the above cockpit to the full extent, avoids the aviation accident part caused by human accident.
Description
Technical field
The present invention relates to aircraft driving safety technical field, more particularly to a kind of intelligence of aircraft cockpit
Networked control systems.
Background technique
Aircraft be by mankind's manufacture, can fly away from ground, space flight and controlled by people in endoatmosphere or big
The instrument flying object of gas-bearing formation external space flight, recently as the development of air traffic, flight accident event is increasing.
If it is the accident as caused by natural cause, the hair of prevention event is also difficult even as driver or captain
It is raw, but can be avoided from source for some, for example pilot psychological's situation goes wrong, and deliberates accident pilot mixed
Enter wherein, or meet with the human accidents such as airplane hijacking, the generation of such event can be reduced by preset flight deck system.
Therefore, how to provide a kind of intelligent control system of aircraft cockpit for reducing driving procedure human accident is this
The problem of field technical staff's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of intelligent control systems of aircraft cockpit.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of intelligent control system of aircraft cockpit, including cloud service platform, information acquisition unit and access control system；It is described
Information acquisition unit, the access control system are connect with the cloud service platform；The cloud service platform is used for and ground service
It stands and carries out data interaction；The information acquisition unit is set to cockpit, for acquiring the image harmony of cockpit
Message breath, and collected information is sent to the cloud service platform；The access control system is used to control the entrance of driver,
It identifies and judges that driver leaves or enters the switch state of the signal of cockpit, cockpit door, and according to believing in cockpit
The highest control authority of breath distribution access control system.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, the access control system includes that identity is tested
Demonstrate,prove unit, judging unit and allocation unit；
The identity authenticating unit is offed normal signal for exporting driver, and is used for reception staff's verification information, by verification information
It is compared with the information that system prestores, verification result is exported, to allow or personnel is forbidden to enter cockpit；
The judging unit is connect with the cloud service platform, for receiving the identity authenticating unit and the information collection list
The signal that member issues, and driver's information in cockpit is judged according to the informix received；
The allocation unit distributes the highest control authority of access control system according to the information of the judging unit.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, the cloud service platform connection is had the right
Database is limited, for storing the personal information for entering cockpit with permission, the rights database is tested with the identity respectively
It demonstrate,proves unit and the information acquisition unit carries out data exchange.
In above-mentioned preferred technical solution, the rights database includes at least the face that can enter the personnel of cockpit
Information and acoustic information, by by the identity authenticating unit and the collected face information of the information acquisition unit and sound
Information is compared with the rights database, and the accuracy of information is determined by double authentication, while can prevent from not weighing
The personnel of limit enter cockpit.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, the identity authenticating unit includes referring to
Line verifying, face verification, voice authentication, at least two in password authentification in many ways believe the personnel for entering cockpit
Breath is verified, some information for preventing other staff from holding driver enters cockpit, is reduced from source due to driving
Sail aviation accident accident caused by the improper operation in cabin.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, the information acquisition unit includes using
Image capture module in acquisition driver activity information and sound acquisition module for acquiring driver's exchange of information.
The information acquisition unit is by the cloud service platform by collected driver activity information and communication
Information is sent to ground support system, once found the abnormal situation, can be taken in time by the distribution of access control system highest permission
Measure also avoids the hair that two drivers cooperate with crime or a certain driver to have crime tendency event to a certain extent
It is raw.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, if the identity authenticating unit exports
Position of driver changes signal, then the judging unit obtains the image information of the information acquisition unit simultaneously, and to described
Identity authenticating unit and the information of the information acquisition unit are compared.
If the identity authenticating unit detects that a certain driver leaves cockpit, the judging unit passes through institute at once
It states information acquisition unit and obtains personnel's change conditions in cockpit, whether the determining information exported with identity authenticating unit is consistent,
The case where having avoided the occurrence of criminal and forged image in cockpit, and then having implemented illegal action, passes through the authentication list
The duplicate protection of the first and described information acquisition unit, avoids the generation of safety accident in aircraft cockpit.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, if the identity authenticating unit exports
Driver offs normal signal, and consistent with the information of information acquisition unit feedback, then the judging unit by driver from
Position signal is sent to the allocation unit, and the highest permission of the access control system is distributed to driving of offing normal by the allocation unit
Member.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, if the identity authenticating unit and institute
The personnel for stating information acquisition unit feedback off normal or information in place is inconsistent, then the judging unit sends this information to described
Allocation unit, the highest permission of the access control system is distributed to flight unit by the allocation unit, and is sent this information to
The cloud service platform.
Specifically, if the identity authenticating unit issues the signal that driver offs normal, but the information acquisition unit is adopted
The information collected is that driver does not off normal or identity authenticating unit does not issue driver and offs normal signal, but the letter
Breath acquisition unit does not collect whole drivers signal in place, in this case it is necessary to the true feelings in cockpit
Condition is artificially confirmed, other staff is avoided to forge two drivers in place or only one driver simultaneously in cockpit
Scene in place implements illegal action, jeopardizes Flight Safety.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, if the cloud service platform passes through institute
The exception information of driver in information acquisition unit discovery cockpit is stated, then the judging unit sends this information to described point
With unit, the highest permission of the access control system is distributed to flight unit or main cabin unit by the allocation unit.
If the cloud service platform finds any abnormal conditions according to the motion image information and acoustic information of driver,
By above- mentioned information transmit process, by the highest authority distribution of access control system to flight unit or main cabin unit, by artificially examining
Look into, be confirmed whether to have an impact flight safety the case where generation, if discovery feedback it is true, corresponding action can be taken in time,
Reduce the generation of aircraft safety accident.
Preferably, in a kind of above-mentioned intelligent control system of aircraft cockpit, if information acquisition unit is in the power
It limits in database and matches less than corresponding driver information, then the information acquisition unit sends this information to the cloud service
Platform, the cloud service platform receive the control signal of ground support system, and then the distribution power of access control system highest permission.
The information acquisition unit is matched in the rights database less than corresponding driver information, then can be abundant
Illustrate that there are the personnel for not entering into cockpit permission in cockpit exists, it, then should be to people either for which kind of purpose
Member's identity is artificially confirmed, to guarantee Flight Safety to the greatest extent.
Preferably, the quantity of driver is extremely in a kind of above-mentioned intelligent control system of aircraft cockpit, in cockpit
It is less two, aircraft cockpit intelligent control system of the present invention is suitable for the flight of two and more than two drivers
Device.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of aircraft cockpits
Intelligent control system, by be set to cockpit information acquisition unit and the identity being set at cockpit gate inhibition
The double verification of authentication unit avoids external staff from entering aircraft cockpit and implements sabotage, is the normal of aircraft cockpit
Operation is provided and is more fully ensured, greatly reduce it is artificial in aircraft flight caused by accident, and then ensure
The personal safety of numerous passengers.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is overall structure diagram of the invention；
Fig. 2 attached drawing is principle schematic diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to attached drawing, the present invention provides a kind of intelligent control systems of aircraft cockpit, including cloud service platform, letter
Cease acquisition unit and access control system；Information acquisition unit, access control system are connect with cloud service platform；Cloud service platform be used for
Ground support system carries out data interaction；Information acquisition unit is set to cockpit, for acquiring the image of cockpit
And acoustic information, and collected information is sent to cloud service platform；Access control system is used to control the entrance of driver, identification
And judge that driver leaves or enters the switch state of the signal of cockpit, cockpit door, and according to information in cockpit point
Highest control authority with access control system.
In order to further optimize the above technical scheme, access control system includes that identity authenticating unit, judging unit and distribution are single
Member；
Identity authenticating unit is offed normal signal for exporting driver, and is used for reception staff's verification information, by verification information be
The information prestored of uniting is compared, and verification result is exported, to allow or personnel is forbidden to enter cockpit；
Judging unit is connect with cloud service platform, for receiving the signal of identity authenticating unit and information acquisition unit sending, and
Driver's information in cockpit is judged according to the informix received；
Allocation unit distributes the highest control authority of access control system according to the information of judging unit.
In order to further optimize the above technical scheme, cloud service platform is connected with rights database, has power for storing
Limit enters the personal information of cockpit, and rights database carries out data friendship with identity authenticating unit and information acquisition unit respectively
It changes.
In order to further optimize the above technical scheme, identity authenticating unit includes that fingerprint authentication, face verification, sound are tested
At least two in card, password authentification.
In order to further optimize the above technical scheme, information acquisition unit includes the figure for acquiring driver activity information
Sound acquisition module as acquisition module and for acquiring driver's exchange of information.
In order to further optimize the above technical scheme, if identity authenticating unit output position of driver changes signal, sentence
Disconnected unit obtains the image information of information acquisition unit simultaneously, and carries out to the information of identity authenticating unit and information acquisition unit
It compares.
In order to further optimize the above technical scheme, if identity authenticating unit output driver offs normal signal, and with letter
The information for ceasing acquisition unit feedback is consistent, then driver's signal of offing normal is sent to allocation unit by judging unit, and allocation unit will
The highest permission of access control system distributes to the driver that offs normal.
In order to further optimize the above technical scheme, if the personnel of identity authenticating unit and information acquisition unit feedback off normal
Or in place information is inconsistent, then judging unit sends this information to allocation unit, and allocation unit is by the highest weight of access control system
Limit distributes to flight unit, and sends this information to cloud service platform.
In order to further optimize the above technical scheme, if cloud service platform finds to drive in cockpit by information acquisition unit
The exception information for the person of sailing, then judging unit sends this information to allocation unit, and allocation unit is by the highest permission of access control system
Distribute to flight unit or main cabin unit.
In order to further optimize the above technical scheme, if information acquisition unit matches in rights database less than corresponding
Driver information, then information acquisition unit sends this information to cloud service platform, and cloud service platform receives ground support system
Control signal, and then the distribution power of access control system highest permission.
Embodiment 1
Aircraft cockpit has two drivers, if identity authenticating unit detect wherein driver open cockpit door from
Cockpit is opened, then identity authenticating unit sends that information to judging unit, then judging unit obtains Image Acquisition in cockpit
The image information of module is confirmed whether have driver to off normal really；
If consistent with the information that image capture module acquires by confirmation identity authenticating unit, judging unit offs normal driver
Signal is sent to allocation unit, and the highest permission of access control system is distributed to the driver that offs normal by allocation unit；Image Acquisition simultaneously
Situation in module real-time detection cockpit, if finding any abnormal conditions, the cloud service platform notice driver that offs normal promptly is returned
To cockpit.
Embodiment 2
Aircraft cockpit has two drivers, leaves if identity authenticating unit detects that wherein a driver opens cockpit door
Cockpit, then identity authenticating unit sends that information to judging unit, then judging unit obtains Image Acquisition mould in cockpit
The image information of block is confirmed whether have driver to off normal really；
If by confirmation identity authenticating unit and the information of image capture module acquisition there are deviation, judging unit is by the deviation
Information is sent to allocation unit, and the highest permission of access control system is distributed to flight unit by allocation unit, while the deviation being believed
Breath is sent to cloud service platform；Flight unit confirms actual conditions into cockpit after obtaining highest permission, excludes
The generation of peril, while the deviation information is sent to ground support system by cloud service platform, ground support system is at any time to driving
The distribution power after situation progress comprehensive analysis, enjoyed in cabin to access control system highest weight limit is sailed, to ensure aircraft to the greatest extent
Steady safe operation.
Embodiment 3
When two drivers are in place simultaneously, information acquisition unit is in real time monitored situation in cockpit,
If it was found that in cockpit driver exception information, judging unit sends this information to allocation unit, allocation unit
The highest permission of access control system is distributed into flight unit or main cabin unit, in flight unit or main cabin unit to cockpit inside information
While condition is checked, information in cockpit is passed through cloud service platform in real time and is sent to ground service by information acquisition unit
Stand, after analysis ground support system can the highest permission to access control system be allocated, avoid the generation of safety accident.
Embodiment 4
As one or two drivers in place, the collected figure information of information acquisition unit is in real time and in rights database
Face information matched, if information acquisition unit matches in rights database less than corresponding driver information, believe
Breath acquisition unit directly sends this information to cloud service platform, and cloud service platform receives the control signal of ground support system, into
And the distribution power of access control system highest permission, security risk is excluded in time.
It should be noted that above several situations are after it found the abnormal situation, can be confirmed simultaneously in the shortest time
It solves to distribute the highest permission of access control system based on abnormal conditions, while assisting the control with ground support system to the overall situation, with
When switching highest permission distribution power, ensured the safe operation of aircraft cockpit to the full extent.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of intelligent control system of aircraft cockpit, which is characterized in that including cloud service platform, information acquisition unit and
Access control system；The information acquisition unit, the access control system are connect with the cloud service platform；
The cloud service platform is used to carry out data interaction with ground support system；
The information acquisition unit is set to cockpit, for acquiring the image and acoustic information of cockpit, and will
Collected information is sent to the cloud service platform；
The access control system is used to control the entrance of driver, identify and judge driver leave or enter cockpit signal,
The switch state of cockpit door, and the highest control authority according to information distribution access control system in cockpit.
2. a kind of intelligent control system of aircraft cockpit according to claim 1, which is characterized in that the gate inhibition system
System includes identity authenticating unit, judging unit and allocation unit；
The identity authenticating unit is offed normal signal for exporting driver, and is used for reception staff's verification information, by verification information
It is compared with the information that system prestores, verification result is exported, to allow or personnel is forbidden to enter cockpit；
The judging unit is connect with the cloud service platform, for receiving the identity authenticating unit and the information collection list
The signal that member issues, and driver's information in cockpit is judged according to the informix received；
The allocation unit distributes the highest control authority of access control system according to the information of the judging unit.
3. a kind of intelligent control system of aircraft cockpit according to claim 2, which is characterized in that the cloud service
Platform is connected with rights database, for storing the personal information for entering cockpit with permission, the rights database difference
Data exchange is carried out with the identity authenticating unit and the information acquisition unit.
4. a kind of intelligent control system of aircraft cockpit according to claim 2, which is characterized in that the identity is tested
Card unit includes fingerprint authentication, face verification, voice authentication, at least two in password authentification.
5. a kind of intelligent control system of aircraft cockpit according to claim 1, which is characterized in that the information is adopted
Collecting unit includes the image capture module for acquiring driver activity information and the sound for acquiring driver's exchange of information
Acquisition module.
6. a kind of intelligent control system of aircraft cockpit according to claim 2, which is characterized in that if the identity
Authentication unit exports position of driver and changes signal, then the judging unit obtains the image letter of the information acquisition unit simultaneously
Breath, and the information of the identity authenticating unit and the information acquisition unit is compared.
7. a kind of intelligent control system of aircraft cockpit according to claim 6, which is characterized in that if the identity
Authentication unit output driver offs normal signal, and consistent with the information of information acquisition unit feedback, then the judgement is singly
Driver's signal of offing normal is sent to the allocation unit by member, and the allocation unit is by the highest authority distribution of the access control system
To the driver that offs normal.
8. a kind of intelligent control system of aircraft cockpit according to claim 6, which is characterized in that if the identity
The personnel of authentication unit and information acquisition unit feedback off normal or information in place is inconsistent, then the judging unit is by the letter
Breath is sent to the allocation unit, and the highest permission of the access control system is distributed to flight unit by the allocation unit, and will
The information is sent to the cloud service platform.
9. a kind of intelligent control system of aircraft cockpit according to claim 6, which is characterized in that if the cloud takes
Platform be engaged in by the exception information of driver in information acquisition unit discovery cockpit, then the judging unit is by the information
It is sent to the allocation unit, the highest permission of the access control system is distributed to flight unit or main cabin machine by the allocation unit
Group.
10. a kind of intelligent control system of aircraft cockpit according to claim 3, which is characterized in that if information is adopted
Collection unit matches in the rights database less than corresponding driver information, then the information acquisition unit sends out the information
It send to the cloud service platform, the cloud service platform receives the control signal of ground support system, and then controls the gate inhibition system
The distribution power for highest permission of uniting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274444.9A CN109308756A (en) | 2018-10-30 | 2018-10-30 | A kind of intelligent control system of aircraft cockpit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274444.9A CN109308756A (en) | 2018-10-30 | 2018-10-30 | A kind of intelligent control system of aircraft cockpit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109308756A true CN109308756A (en) | 2019-02-05 |
Family
ID=65222007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811274444.9A Withdrawn CN109308756A (en) | 2018-10-30 | 2018-10-30 | A kind of intelligent control system of aircraft cockpit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109308756A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3092563A1 (en) * | 2019-02-11 | 2020-08-14 | Safran Electronics & Defense | System for configuring an aircraft in a one-pilot mode or in a two-pilot mode |
| CN111583481A (en) * | 2020-04-21 | 2020-08-25 | 中国商用飞机有限责任公司 | Access control system for cockpit door of aircraft and aircraft |
-
2018
- 2018-10-30 CN CN201811274444.9A patent/CN109308756A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3092563A1 (en) * | 2019-02-11 | 2020-08-14 | Safran Electronics & Defense | System for configuring an aircraft in a one-pilot mode or in a two-pilot mode |
| CN111583481A (en) * | 2020-04-21 | 2020-08-25 | 中国商用飞机有限责任公司 | Access control system for cockpit door of aircraft and aircraft |
| CN111583481B (en) * | 2020-04-21 | 2021-11-19 | 中国商用飞机有限责任公司 | Access control system for cockpit door of aircraft and aircraft |
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Application publication date: 20190205 |
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