CN1252448C - Long distance diagnosis real time tracking system and method thereof - Google Patents
Long distance diagnosis real time tracking system and method thereof Download PDFInfo
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Abstract
The present invention relates to an airplane remote diagnosis real-time tracking system which comprises an ACARS message ground receiving terminal, an intermediate server, a database server and a user terminal, wherein the ACARS message ground receiving terminal is used for receiving ACARS messages forwarded by an SITA network control center and an ADCC network control center; the intermediate server comprises an ACARS message decoder and an arithmetic logic middleware program; the database server is used for storing ACARS messages and the electronic documents of airplane failure codes, which are decoded by the ACARS message decoder; the user terminal is used for receiving user commands, displaying various decoded ACARS messages and failure alarms by the system. The present invention has the technical effects that airplane failure alarm, analytical judgment of engineers to failures and failure eliminating project decision, etc. are fast finished in real time with the participation of computers; headquarters engineers can earlier learn of the failure information accurate to failure codes of airplanes than airport personnel; failure eliminating difficulties caused by verbal description and counterpart understanding difference to the same failure are eliminated for creating a positive and active condition to emergent failure elimination.
Description
Technical field
The present invention relates to a kind of remote diagnosis system, particularly relate to a kind of real time monitoring aircraft and engine operating state, in time find the long distance diagnosis real time tracking system and the method thereof of the concurrent warning of being out of order of fault or hidden danger.
Background technology
The flight safety of aircraft not only depends on driver's proper operation, and the more important thing is on the daily servicing and maintenance job that depends on aircraft.In traditional engineering maintenance work, after we must wait until aircraft landing, by the check flight minute book, check airborne maintenance terminal or decoding flight data recorder data or listen to technology status or the fault history that the unit oral report could be understood aircraft, all be prolong using afterwards diagnose → draw up a plan for → implement the flow process of troubleshooting, and when the aircraft execution flight of standing outside, unit has taken place can't get rid of the ground emergency condition, have only by the unit phone, the mode of fax contact is sought help to distant place flight crew, exist oral failure-description of unit and flight crew both sides' the difference of understanding, for troubleshooting of faults causes extra difficulty.The weak point of traditional engineering maintenance is: (1) ground flight crew and other relevant departments can not in time obtain the real time fail information of aircraft, cause in time controlling the generation of aircraft accident.(2) because aircraft technology situation and failure message that the ground maintenance personnel obtain are not prompt enough and comprehensive, also be subjected to simultaneously office's system of flight crew's level and experience, cause the troubleshooting scheme not accurate enough and be difficult to find early the problem of potential safety hazard sometimes, make maintenance quality and level be difficult to improve.(3) maintenance cost is high, facts have proved that a large amount of maintenance costs comes from the non-regular works in the aircraft maintenance process, and in a common routine inspection, non-regular works amount is up to 40% of whole maintenance capacity.
Sudden because of it; often can't preset work program; form contradiction with the requirement of finishing maintenance job in the short time; traditional engineering maintenance mode is because of understanding the situation of aircraft in advance; therefore, also uncontrollable non-regular works amount causes boat material subscription fee to increase through regular meeting; even cause that the aircraft Short Item stops the field, increase the maintenance cost of airline.(4) to airplane fault judge inaccurate, can increase working strength, prolong maintenance time, flight takeoff time situation easily occasions a delay.(5) because above-mentioned many disadvantages, make airline can't avoid the airliner delay phenomenon that causes because of the reason of safeguarding, further improve service quality for airline and level causes great obstacle.
In addition, engine is as power system unique on the aircraft, its uniqueness is arranged on engineering, for grasping the long-term technology status of engine, all there is a whole set of independent supervisory system and program in airline, every day, the engine to every airplane carried out data sampling, with data input monitoring program, set up the engine technology archives.The general engine production chamber of commerce provides some engine data analysis software to airline, and the engine monitoring personnel need regularly to download the engine sampled data from aircraft, and sampling number according to input monitoring software, is realized monitoring analysis.
Workload is big, information delay.
At present, airborne equipment has possessed flight information messaging system (Aircraft CommunicationAddressing and Reporting System, abbreviation ACARS) and can transmit flying quality in real time.This system is a specific computing machine, other computer system of airborne equipment such as data Management Unit (DMU), and Flight Data lnterface Unit (FDIU), Aircraft Condition Monitor System (ACMS), and GPS (GPS) is all crosslinked with it.Aircraft 5 online datas and flight longitude and latitude are responsible for gathering or are collected to above-mentioned various computer system, again with these data broadcastings to ACARS, ACARS is communication system 1 (SatelliteCommunication via satellite, SETCOM abridges) or very high frequency(VHF) (VeryHigh Frequency, abbreviation VHF) surface work station 2 is sent to the ground data control center of appointment---flying quality control center net 3 (being called for short the ADCC net), by the sign of ADCC, again data are arrived the ACARS message receiving workstation 4 (referring to Fig. 1) on the airline ground of appointment by global air transportation information telecommunications network (being called for short the SITA net) or ADCC network transmission according to heading.The ACARS system is a bilateral system, and it not only can transmit the aircraft real time data earthward, and data also can be transmitted to the aircraft of airflight in ground, some important information of notice unit, and as local weather data, aerial emergency troubleshooting measure etc.The data that airline utilizes ACARS to pass down can know when aircraft takes off, when arrive even can know that aircraft is from closing hatch door to the interval taking off, to grasp the delay situation of flight; Can grasp the technology status of airborne equipment in the operation in real time by analyzing the ACARS Trouble Report; By analyzing the real time position of ACARS position message tracking aircraft, provide important references information in the new course line of developing.Though the appearance of ACARS makes moderate progress the information source situation of traditional engineering maintenance, but, because its information transmitted is a kind of computerese, generally, the non-computer professional and technical personnel is difficult to understand it, this is very restricted the application of ACARS information, it needs to be translated by computer technician earlier, again by handing over flight crew's artificial treatment, the offset issue that this not only exists different professional and technical personnel to understand, also exist because the connection problem of the restriction of flight crew's level and experience and front and back link causes being difficult in time and exactly warn the problem of flight failure, therefore the information of ACARS just is transferred to till the ACARS message receiving workstation of airline at present, and Shang Weiyou is utilized widely.
Summary of the invention
First purpose of the present invention just provides a kind of ACARS of utilization technology, and by receiving and conversion vacant lot data chainning down-transmitting data, the surveillance aircraft running status is also in time sent the long distance diagnosis real time tracking system and the method thereof of failure warning.
Second purpose of the present invention is further to provide a kind of by collecting many-sided failure messages such as pilot, flight crew, ACARS and safety monitoring department, compiling becomes the troubleshooting experience, through the intelligent algorithm analysis, provide the reference information of conclusionization to the maintenance personal, auxiliary long distance diagnosis real time tracking system and the method thereof that improves maintenance level and troubleshooting efficient.
The 3rd purpose of the present invention is to provide real time data to other aircraft supervisory system of existing ground, automatically finish of the transmission of engine monitoring data to maintenance engineering management and decision-making section, reduce the human error, reduce cost of labor, long distance diagnosis real time tracking system of increasing work efficiency and method thereof.
First purpose of the present invention can realize by following technical measures: by long distance diagnosis real time tracking system (be called for short ACRDRTS) with the message decoding of airline's ground ACARS message receiving workstation of receiving and be broadcast to remote terminal, while and airplane fault code are set up hyperlink, make the terminal user can obtain the information and the failure warning of aircraft running status in real time:
Long distance diagnosis real time tracking system comprises:
1. intermediate server
It comprises ACARS message demoder (MessageDecoder), arithmetic logic middleware program, and wherein ACARS message demoder and arithmetic logic middleware program are simultaneously mutual with database server; ACARS message demoder is responsible for receiving the original message that ACARS message ground receives the ACARS message receiving workstation on airline ground, is saved in the database after the decoding; The arithmetic logic middleware program is used for the airplane fault code in the information and date storehouse of message is carried out logical operation, tracing trouble.
2. database server (ORACLE)
It has installed the ORACLE database software, is used to preserve by the ACARS message of ACARS message decoder decode and the electronic document of airplane fault code.
3. user terminal
The user terminal internal memory contains the remote terminal module, this module is made up of the interface and the server components of application program, wherein the interface of application program is to be used for man-machine interface mutual between user and the native system, as showing aircraft real time position and technical data, failure warning etc.; The server component part is used for that then the user is operated on the interface action is carried out logical operation and is sent user instruction to database server, and they are in servo condition all the time.User terminal links to each other with intermediate server, is used for native system and receives user instruction and show various decoded ACARS messages and failure warning.Server component is installed on the intermediate server, and the Application Program Interface module can be installed on the PC on the logical meaning of any Daepori.
Core of the present invention is an intermediate server, it and terminal user and database server are directly mutual, be responsible for handling the data that complicated user asks and computing is read from database, and push operation result to terminal user, it is the bridge block between terminal user and the centre data source.
Described ACARS message demoder is the decoding program of the decoding ACARS original message write according to the ACARS data standard that the ACARS equipment supplier provides.
The electronic document of described airplane fault code is to isolate handbook electronization document data by the airplane fault that the planemaker provides to airline.
The warning message of native system client can comprise visual cautionary and voice warning information.
Described terminal user group is the aircraft maintenance slip-stick artist, the course line staff.The distribution of customer group is by the distribution decision at airline's group of planes and boat station, and native system all can be used in domestic external-navigation station.
The long distance diagnosis method for real time tracking:
(1) receives the original message of the ACARS message receiving workstation on airline ground by the ACARS message demoder in the intermediate server;
(2) by ACARS message demoder the ACARS original message that is received is decoded the translation original message;
(3) decoded data qualification is kept in the database;
(4) with the data and the comparison of airplane fault code of (3), whether break down with diagnosis;
(5) the simple message information after will decoding and compare is to all online users' broadcasting, and if any fault, information then gives a warning.
(6) terminal user enters database to the message information operation of being paid close attention to and extracts message content behind the ACARS message information of receiving on the user terminal.
The object of the invention can also be further perfect:
For adapt to some to the accuracy requirement of aircraft longitude and latitude than higher occasion, as air traffic control service.
The map vector technology that in client application, adds ESRI company---in client application, embed MAPOBJECT object (map vector control), be used to realize the embedded programming scheme, and the ACREDIT software (the map developing instrument of editor's map vector) that uses ESRI company to provide, the map datum that in existing map vector, adds airline's customization, as great circle route, way point, navigation spots or the like, can dynamically demonstrate flying height, flight track, flight course, flight informations such as way point, and allow the user's download zones of different of different demands, the map vector data of different figure layers.
Map vector data can be the map vector of buying from national geography Bureau of Surveying and Mapping.
In order to satisfy ground staff and the both-way communication requirement of carrying out unit in the flight, we can start ACARS workstation existing message upload function originally in ACRDRTS: the information that the Ground Engineer need be uploaded forms text message stream, comprise real time fail troubleshooting measure, landing station weather information etc., import by user terminal, again by intermediate server be sent to the appointment of ACARS workstation on go up by reference, finish the uploading operation of information by ACARS surface work station---promptly be transferred on the aircraft that is flying.
Second purpose of the present invention can realize that promptly long distance diagnosis real time tracking system comprises on the basis of the technology implementation scheme of first purpose of the present invention:
1. intermediate server
Store the intermediate server of ACARS message demoder, arithmetic logic middleware program, wherein, the arithmetic logic middleware program, be used for the airplane fault code in the information and date storehouse of message is carried out logical operation, tracing trouble, also be used for selecting the airplane fault of accessing database server to isolate handbook, perhaps airplane fault historical experience storehouse according to the failure code hyperlink.
2. be used to preserve database server by the electronic document of the ACARS message of ACARS message decoder decode and airplane fault code, this external system also is provided with expert's troubleshooting back-up system (STSS), this system comprises a fault history experience storehouse and troubleshooting historical experience processing module, and the historical and troubleshooting experimental knowledge to the troubleshooting of same fault also is provided when database server provides the Fault Isolation Manual content; This module can be finished in aircraft maintenance slip-stick artist's presence the troubleshooting historical record is carried out the calculating that artificial intelligence is sorted out, so that provide conclusive troubleshooting suggestion to the aircraft maintenance slip-stick artist.
3. the user terminal that has the remote terminal module
Fault history experience storehouse is by collecting many-sided failure messages such as pilot, flight crew, ACARS and safety monitoring department, the troubleshooting experience that accumulates.
The electronic document of described airplane fault code is that airplane fault is isolated handbook electronization document data.
Method in second purpose of the present invention realizes on the basis of first purpose long distance diagnosis method for real time tracking of the present invention:
(1) receives the original message of the ACARS message receiving workstation on airline ground by the ACARS message demoder in the intermediate server;
(2) by ACARS message demoder the ACARS original message that is received is decoded the translation original message;
(3) decoded data qualification is kept in the database;
(4) with the data and the comparison of airplane fault code of (3), whether break down with diagnosis;
(5) the simple message information after will decoding and compare is to all online users' broadcasting, and if any fault, information then gives a warning.
(6) behind the ACARS message information that the terminal user checks in user terminal displays, the message information operation of being paid close attention to is entered database extract message content.
(7) when airborne failure message is warned, select in the accessing database server according to hyperlink different on the failure code by the aircraft maintenance slip-stick artist:
1. airplane fault is isolated handbook, and the troubleshooting method that is provided by the planemaker is provided at the failure message of diagnosing out;
2. airplane fault historical experience storehouse shows all historical experience processing for this kind fault at the failure message of diagnosing out, the calculating of pedestrian worker's classifying intelligently of going forward side by side, thus conclusive troubleshooting suggestion is provided.
The troubleshooting that the aircraft maintenance slip-stick artist provides according to system is advised working out the troubleshooting scheme in conjunction with fault isolation schemes.
(8) when no airborne failure message warning, the aircraft maintenance slip-stick artist is direct airplane fault isolation handbook machine and the fault history experience storehouse in the accessing database server also, obtains relevant knowledge.
Technique scheme of the present invention is not only with the decoding of ACARS message, the tracing trouble that receive and be broadcast to remote terminal, the terminal user can be obtained outside the information and failure warning of aircraft running status in real time, it has also been set up aircraft technology and has supported electronic documentation system, to get rid of the troubleshooting historical experience storehouse that directly related handbook, airline are set up the aircraft maintenance experience accumulation with airplane fault, be the extension outlet of enterprise's center resources.
The 3rd purpose of the present invention can be finished on the basis of first purpose of the present invention: promptly long distance diagnosis real time tracking system comprises:
1. intermediate server
Comprise ACARS message demoder (MessageDecoder), arithmetic logic middleware program; It also has the engine message and monitors converting system in real time, it comprises engine message converter, engine monitor system (SAGE) interface, wherein, engine message converter is used for finishing automatically the reception of ACARS engine message and is converted to the form that engine monitoring software (SAGE) can be discerned, and provides real-time ACARS engine report to engine monitor system (SAGE); The engine monitor system interface obtains needed * .SGE message from engine message converter, (SAGE) provides input file for engine monitoring software, produces the performance trend analysis chart of engine.
2. be used to preserve the database server by the electronic document of the ACARS message of ACARS message decoder decode and airplane fault code, it also is used to preserve the ACARS engine message information that the engine message is monitored converting system in real time;
3. the user terminal that has the remote terminal module
The 3rd purpose of the present invention can be finished on the basis of second purpose of the present invention, and promptly long distance diagnosis real time tracking system comprises:
1. intermediate server
Store the intermediate server of ACARS message demoder, arithmetic logic middleware program, wherein, the arithmetic logic middleware program, be used for the airplane fault code in the information and date storehouse of message is carried out logical operation, tracing trouble, also be used for selecting the airplane fault of accessing database server to isolate handbook, perhaps airplane fault historical experience storehouse according to the failure code hyperlink.
It also has the engine message and monitors converting system in real time, it comprises engine message converter, engine monitor system (SAGE) interface, wherein, engine message converter is used for finishing automatically the reception of ACARS engine message and is converted to the form that engine monitoring software (SAGE) can be discerned, and provides real-time ACARS engine report to engine monitor system (SAGE); The engine monitor system interface obtains needed * .SGE message from engine message converter, (SAGE) provides input file for engine monitoring software, produces the performance trend analysis chart of engine.
2. be used to preserve by the ACARS message of ACARS message decoder decode, the electronic document of airplane fault code and the database server in fault history experience storehouse, it also is used to preserve the ACARS engine message information that the engine message is monitored converting system in real time.
3. the user terminal that has the remote terminal module
Described engine message converter is the core that the engine message is monitored converting system in real time, and it mainly is made up of network communication, message conversion, three modules of engine parameter warning:.Their every function is as follows:
1. network communication: receive the aircraft engine message in real time.
2. message conversion: the message of conversion engine is readable text formatting and the readable form of engine performance monitoring software (SAGE), for the engine performance monitoring software provides input interface, reaches the function of real-time conversion.
3. engine parameter warning:, produce engine warning message according to the value of defining of engine performance monitoring parameter.Can realize the engine parameter warning by (descending) limit on the artificial setup parameter.
Method in the 3rd purpose of the present invention realizes on the basis of first and second purpose long distance diagnosis method for real time tracking of the present invention:
(1) receives the original message of the ACARS message receiving workstation on airline ground by the ACARS message demoder in the intermediate server, comprise the original message of aircraft engine in the original message;
(2) by the ACARS message demoder in the long distance diagnosis real time tracking system described ACARS original message is decoded the translation original message; Monitor converting system translation aircraft engine original message in real time by the engine message.
(3) the rapid decoded data qualification of previous step is kept in the database;
(4) with the data and the comparison of airplane fault code of (3), whether break down with diagnosis;
(5) the simple message information after will decoding and compare is to all online users' broadcasting, and if any fault, information then gives a warning.
(6) behind the ACARS message information that the terminal user checks in user terminal displays, the message information operation of being paid close attention to is entered database extract message content.
(7) when airborne and engine failure info alert, select in the accessing database server according to hyperlink different on the failure code by the aircraft maintenance slip-stick artist:
1. airplane fault is isolated handbook, and the troubleshooting method that is provided by the planemaker is provided at the failure message of diagnosing out;
2. airplane fault historical experience storehouse shows all historical experience processing for this kind fault at the failure message of diagnosing out, the calculating of pedestrian worker's classifying intelligently of going forward side by side, thus conclusive troubleshooting suggestion is provided.
The troubleshooting that the aircraft maintenance slip-stick artist provides according to system is advised working out the troubleshooting scheme in conjunction with fault isolation schemes.
(8) when no airborne failure message warning, the aircraft maintenance slip-stick artist is direct airplane fault isolation handbook machine and the fault history experience storehouse in the accessing database server also, obtains relevant knowledge.
Technique scheme makes aircraft in the process of flight, the engine message in various stages also can be caught by native system, and be sent in the engine monitor system automatically, not only cancelled the operation of artificial data download, and realized the purpose of real-time monitoring making real-time grasp engine technical parameter in each stage in flight course become possibility.
The invention has the beneficial effects as follows:
(1) safe critical point reach.The present invention can promptly and accurately translate the real-time technique information of any airplane on the ground ACARS course line of collecting, in time send failure warning to subscriber computer, help emergency condition is made processing timely, reduce the generation of aircraft accident, then created condition initiatively for non-emergent property failure warning for ground maintenance, make things convenient for the Ground Engineer to make accurate judgement, in time provide troubleshooting scheme accurately by Fault Isolation Manual.
(2) reduce airliner delay as far as possible.Since the present invention can the captured in real time airborne equipment failure message, before aircraft landing, the ground staff just can be according to the troubleshooting scheme of drawing up, carried out the preparation of instrument, equipment, boat material and manpower, significantly reduce the ground handling time behind the aircraft landing, thereby reduced the delay or the cancellation situation of flight as much as possible.
(3) provide the remote technology support.Can solve aircraft effectively stands when fault that unit can't get rid of takes place outside, because of oral failure-description of unit and flight crew both sides understand that difference causes being difficult to accurately analyzing and failure judgement problem, make long-range flight crew still can understand failure condition exactly suitable troubleshooting scheme in time is provided, guarantee the aircraft safety seaworthiness.
(4) possess expert's technical support database, can provide sufficient suggestion, improve maintenance level and troubleshooting efficient for troubleshooting quick and precisely.The intrasystem aircraft troubleshooting of the present invention expert system can be on the basis of troubleshooting record, incorporate slip-stick artist's troubleshooting wisdom, extract relevant knowledge, using artificial intelligence computation troubleshooting expert advice, for troubleshooting is offered help, and can inquire about the troubleshooting experience by multiple mode, to the course line rapidly and accurately failure judgement provide a great help.
(5) can carry out the real-time follow-up of engine performance.The engine message that the present invention sets up is monitored converting system in real time, can make the monitor staff can in time grasp the technical parameter of engine at each mission phase, reduces the flight safety hidden danger that is caused by the engine technology aberrations in property most possibly.
(6) monitoring to fault history helps finding early aircraft hidden danger.Utilize database of the present invention, can see the fault history of certain type aircraft on any course line at any time, in aircraft cockpit, operate airborne maintenance terminal as the people, very convenient.
(7) can reduce the aircraft maintenance cost effectively.According to (the Air TransportAssociation of ATA, abbreviation ATA) the survey showed that in air-transport industry, the non-regular works amount of control aircraft maintenance is one of effective way of saving maintenance cost, improving maintenance level and troubleshooting efficient then is another effective way of saving maintenance cost, the present invention can realize predicting as soon as possible fault, failure judgement rapidly and accurately, thereby control non-regular works amount and improve troubleshooting efficient, reach the purpose of the maintenance cost of obvious reduction aircraft; In addition, the present invention has also reduced the additional maintenance cost of being paid by artificial data download to aircraft engine parameter captured in real time.
Traditional engineering is safeguarded and comparison sheet of the present invention
| Task | Traditional engineering is safeguarded | The present invention |
| Fault discovery | After the boat | In the air |
| Fault is got rid of | Get rid of after handbook and personal experience navigate and send the slip-stick artist on the spot | Prepare long-range troubleshooting before the storehouse landing of electronization handbook electronization experimental knowledge |
| Reliability management | Based on aircraft log book | Based on airborne repair message and aircraft log book |
| The aircraft monitoring | The manual data typing is accurate to the previous day | Accurately add up the aircraft utilization production data automatically |
| Engine monitoring | Get engine parameter disk ex-post analysis engine condition every day by hand | State in the remote real-time monitoring engine air |
Embodiment
Below in conjunction with specific embodiment shown in the drawings the present invention is further described.
Fig. 1 is an ACARS message transfer mechanism synoptic diagram;
If aircraft flight is in the sky, the Pacific Ocean, ACARS passes Satellite Communication System to satellite with data (SETCOM), by satellite data is passed to the ADCC net; If aircraft flight is in the sky, airport, ACARS passes data to local very high frequency(VHF) surface work station (VHF receiving station), by it data is turned to the ADCC net again.
Fig. 2 is the system data flow process figure of one of embodiment of the invention;
Fig. 3 is the System Operation block scheme of one of embodiment of the invention;
Fig. 4 is the software running block scheme of one of embodiment of the invention.
Long distance diagnosis real time tracking system shown in Fig. 2,3,4 is one of embodiments of the invention, long distance diagnosis real time tracking system comprises: ACARS message ground receiving terminal 10, intermediate server 11, database server 12, user terminal 13, wherein:
Intermediate server has (1) arithmetic logic middleware program, is used for 1. the airplane fault code in the information and date storehouse of message is carried out logical operation, tracing trouble; 2. select the airplane fault in the accessing database server to isolate handbook according to the failure code hyperlink; Perhaps visit airplane fault historical experience storehouse; (2) the engine message is monitored converting system in real time, it comprises engine message converter, engine monitor system (SAGE) interface, wherein, engine message converter is used for finishing automatically the reception of ACARS engine message and is converted to the form that engine monitoring software (SAGE) can be discerned, and provides real-time ACARS engine report to engine monitor system (SAGE); The engine monitor system interface obtains needed * .SGE message from engine message converter, (SAGE) provides input file for engine monitoring software, produces the performance trend analysis chart of engine.
Engine message converter is that the engine message is monitored in real time, the core of converting system, and it mainly is made up of three modules: network communication, message conversion, engine parameter warning.Their every function is as follows:
Network communication: receive the aircraft engine message in real time.
Implementation: when system moves, adopt the UDP communications protocol, told the broadcasting equipment client computer to move to AMSS system broadcasts device transmission information in per 30 seconds, when the operation aircraft has the engine message to produce, from broadcasting equipment, receive the engine message information of its forwarding.
The message conversion: the message of conversion engine is readable text formatting and the readable form of engine performance monitoring software (SAGE), for the engine performance monitoring software provides input interface, reaches the function of real-time conversion.
Implementation: according to the information that network communication portion receives, from AMSS system database server, extract the required information of engine message, produce needed various message.
Engine parameter warning:, produce engine warning message according to the value of defining of engine performance monitoring parameter.
Implementation: according in the AMSS system database server fixed warning value of defining, reading corresponding data produces required warning message.
Database server is used to preserve by the electronic document of the ACARS message of ACARS message decoder decode and airplane fault code, preserves the ACARS engine message data that the engine message is monitored converting system in real time simultaneously.
Database server includes master data base (ORCALE) 12 and troubleshooting database (AS400/DB2) 122, use different host computer systems respectively, master data base adopts M80 AIX TDMS host computer system, and the troubleshooting database adopts AS400 DB2 GAMECO PMI host computer system.Wherein, the troubleshooting database host connects with the master data base main frame, and the master data base main frame connects with intermediate server again.Because the final user is with the typing in AS400/DB2 always of troubleshooting raw data, and the native system use is master data base 12, repeating data for fear of the final user, we write the original troubleshooting of troubleshooting expert knowledge library record converter and finish two automaticdatas between the system and move and move, and by the original troubleshooting record converter of troubleshooting expert knowledge library (STSSDataSwitcher) 121 the troubleshooting database are duplicated automatically to the data of master data base.
User terminal:
Store the remote terminal module, this module is made up of the interface and the server components of application program, be applicable to all user terminals, promptly comprise the computer etc. of aircraft maintenance slip-stick artist, course line staff, engine performance monitoring analysis person and other related personnel's use.
In order to reduce " load " of user machine system, user terminal of the present invention is at the different terminal software of the different user storage of active side emphasis:
The course line staff: real-time follow-up fault display module (ACARSMAPClient)+troubleshooting Expert Supporting System STSS web holds 133 softwares;
Internal field technical support engineer: real-time follow-up fault display module (ACARSMAPClient)+troubleshooting Expert Supporting System STSS management end 133 softwares;
Engine performance monitor staff: the engine message is monitored converting system (ERM:Engine RemoteMonitor) in real time, it comprises engine message converter, engine monitor system (SAGE) interface, is used for engine performance monitor staff's user terminal 131.
Described engine performance monitor staff is a relatively independent customer group, its job specification and technical support engineer and course line staff are inequality fully, the performance parameter that they need collect engine constantly, chronically, and use the engine performance monitoring software analysis that the merchant of engine shop provides and the various performance parameters of monitoring engine, to accomplish " strick precaution " in possible trouble.The present invention can install the engine message and monitor converting system in real time on this user's PC, the real-time performance parameter message of each mission phase of engine directly is provided to this user, makes the artificial cancellation of downloading engine parameter in boat back every day become possibility.
Other related personnel: the demand of answering can be installed above-mentioned any one terminal software.
Described troubleshooting Expert Supporting System STSS is a relatively independent application program, will be converted to troubleshooting knowledge by the original troubleshooting of troubleshooting expert knowledge library record converter (STSSDataSwitcher) 121 is transferred to master data base from the troubleshooting database original troubleshooting record in ATA slip-stick artist's presence.In real-time follow-up fault display module (ACARSMAPClient), can directly call the troubleshooting knowledge that generates by it, for troubleshooting provides reference method efficiently.
During use, the ACARS real time data at first enters the ACARS message and receives the surface work station, the real-time follow-up fault display module (ACARSMAPClient) that the native system user terminal stores starts UDP (User Datagram Protoco (UDP)) frame to be listened, the broadcast message of waiting system demoder, demoder can be broadcasted the process information of message to each online client, after real-time follow-up fault display module is received broadcast message, immediately broadcast message (character stream) is sent to middleware server by the IIOP agreement, by server component broadcast message is carried out strict analyzing and processing, and differentiation various report type, from database, read necessary information then, new character stream of recomposition, be transmitted back to ACARSMAPClient client 132 by the IIOP agreement, if the ACARSMAPClient client shows different information and corrects the positional information of aircraft on map according to different Report Types. find exist (being that aircraft has fault to take place) of failure code, the ACARSMAPClient client can produce warning message, comprises visual cautionary and voice warning information.The user can isolate the troubleshooting experimental knowledge of handbook and STSS system according to the airplane fault of storing in the direct access system of hyperlink different on the failure code, for the Aircraft Engineer provides the reference of two troubleshooting methods:
1, directly enters Fault Isolation Manual among the TDMS
2, in troubleshooting historical experience storehouse directly with reference to the troubleshooting historical experience
In conjunction with two kinds of methods, the slip-stick artist can formulate the troubleshooting scheme fast, treat that aircraft lands after, only need the existence of validation fault, but just troubleshooting construction.
Native system adopts multilayer to use (distributed arithmetic) system: thin-client+middleware+database server.Because customer volume is big and dispersion, uses the multilayer application scheme can effectively reduce the complicacy of system maintenance; Use middleware Technology, perfectly realized separating of complicated commercial arithmetic logic and user interface logic, the transparent upgrading of realization system.
The software systems of native system are based on a cover application software system of intranet or city wide area network, adopt the communications protocol of technical grade standard, do not increase any burden for webmaster department.
Native system uses the developing instrument of IT industry circle main flow to write different application modules:
| Software module | Technical scheme |
| The remote terminal module | Use JAVA to write out the MessageDecoder application program; |
| The ACARS remote terminal | The user terminal interface; Server component, be published among the EAServer, use udp broadcast agreement intermediate server to set up communication in remote client's section, dynamically receive and read the ACARS message data, and the Fault Isolation Manual of ACARS message failure code in electronic documentation system set up super the connection. |
| Engine monitoring | Use the JAVA programming technique, set up communication by JDBC/UDP and database server/intermediate server, dynamically receive and read the engine message data and change its form and be that engine monitoring software accepts. |
| Expert knowledge library | The user terminal interface; Server component is published among the EAServer; In ATA slip-stick artist's presence, fault history is generated expert advice, and set up super annexation with the airplane fault code. |
| The WEB interface | 1. on the ACARS remote terminal, pass through super annexation dynamic call, so that read Fault Isolation Manual and troubleshooting historical experience in the electronic documentation system to set up.2. use Jbuilder to write JSP and be published among the EAServer, realize the generality inquiry of domestic consumer expert knowledge library. |
Add the map vector technology, to show more accurately abundant more flight information, as the flight course, the flight air route, the big disc that flies is estimated way point etc.
In order to satisfy ground staff and the both-way communication requirement of carrying out unit in the flight, we can start ACARS workstation existing message upload function originally in ACRDRTS: the information that the Ground Engineer need be uploaded forms text message stream, comprise real time fail troubleshooting measure, landing station weather information etc., import by user terminal, again by intermediate server be sent to the appointment of ACARS workstation on go up by reference, finish the uploading operation of information by ACARS surface work station---promptly be transferred on the aircraft that is flying.
The present invention adopts in design is a kind of and the irrelevant modular structure of type, be suitable for and articulate different type modules, and immovable all the time be system framework.Airborne maintenance terminal in various aircrafts is not quite similar, and native system adds the airborne maintenance terminal simulator of various types, and the airborne maintenance terminal simulator of any type can add according to the corresponding techniques standard.
Native system can satisfy ground staff and the both-way communication requirement of carrying out unit in the flight, start ACARS workstation existing message upload function originally in native system: the information that the Ground Engineer need be uploaded forms by user terminal to native system input text information flow, comprise real time fail troubleshooting measure, landing station weather information etc., again by intermediate server be sent to the appointment of ACARS workstation on go up by reference, finish the uploading operation of information by ACARS surface work station---promptly be transferred on the aircraft that is flying.
The sharpest edges that the present invention brings are exactly, airplane fault warning, slip-stick artist are to real-time rapidly finishing under the situation that computing machine participates in of work such as faults analysis judgement and formulation troubleshooting schemes, the slip-stick artist of general headquarters can follow the Zao failure message of learning aircraft than the staff at boat station, and be accurate to failure code, eliminated same fault has been understood the troubleshooting difficulty that difference causes because of word picture and the other side.In senior slip-stick artist's presence, they can judge the order of severity of the failure message that ACRDRTS provides immediately, notify ahead of time the other side navigate the station maintainer, the remote terminal program (ACARSMAPCLIENT) of ACRDRTS can directly be installed on the other side navigates the PC at station, is that positive active condition is created in the eliminating of emergency.Can also start the message upload function of ACRDRTS, the Ground Engineer can be uploaded to aloft unit with the troubleshooting scheme timely.
Claims (10)
1. long distance diagnosis real time tracking system comprises:
(1) the message ground receiving terminal of flight information messaging system
It and global air transportation information communication network or flying quality control center net link, and are used to receive the message of the flight information messaging system of transmitting from global air transportation information communication network control center and flying quality control center network control system center;
(2) intermediate server
It comprises message demoder, the arithmetic logic middleware program of flight information messaging system, and wherein the message demoder of flight information messaging system and arithmetic logic middleware program are simultaneously mutual with database server; The message demoder of flight information messaging system is responsible for the flight information message decoding of will read on its message ground receiving terminal and is saved in the database; The arithmetic logic middleware program is used for the airplane fault code in the information and date storehouse of message is carried out logical operation, tracing trouble;
(3) database server
Be used to preserve by the message of the flight information messaging system of the message decoder decode of flight information messaging system and the electronic document of airplane fault code;
(4) user terminal
User terminal links to each other with intermediate server, is used for message and failure warning that native system receives user instruction and shows various decodings back flight information messaging system; Be stored with the remote terminal module, this module is made up of the interface and the server components of application program, and wherein the interface of application program is used for the interactive window between user and the native system, shows aircraft real time position and technical data, failure warning etc.; The server component part is used for that then the user is operated on the interface action is carried out logical operation and is sent user instruction to intermediate server, and they are in the clothes state of raising all the time.
2. long distance diagnosis real time tracking system according to claim 1, the arithmetic logic middleware program that it is characterized in that described intermediate server also is used for selecting the airplane fault of accessing database server to isolate handbook, perhaps airplane fault historical experience storehouse according to the failure code hyperlink; Described database server also is provided with airplane fault and isolates handbook electronization document data and expert's troubleshooting back-up system, this system further comprises a fault history experience storehouse, and the historical and troubleshooting experimental knowledge to the troubleshooting of same fault also is provided when database server provides the Fault Isolation Manual content; With troubleshooting historical experience processing module, this module can be finished in aircraft maintenance slip-stick artist's presence the troubleshooting historical record is carried out the calculating that artificial intelligence is sorted out, so that provide conclusive troubleshooting suggestion to the aircraft maintenance slip-stick artist.
3. long distance diagnosis real time tracking system according to claim 1 and 2, it is characterized in that described intermediate server also has the engine message and monitors converting system in real time, it comprises engine message converter, engine monitor system interface, wherein, engine message converter be used for finishing automatically the flight information messaging system the engine message reception and be converted to the form that engine monitoring software can be discerned, and provide the engine report of real-time flight information messaging system to engine monitor system; The engine monitor system interface obtains needed from engine message converter
*.SGE message for engine monitoring software provides input file, produces the performance trend analysis chart of engine; Described database server also is used to preserve the engine message information that the engine message is monitored the flight information messaging system of converting system in real time.
4. long distance diagnosis real time tracking system according to claim 3, it is characterized in that described database server comprises troubleshooting database server and main database server, wherein the troubleshooting database server is expert's troubleshooting back-up system database server, main database server is used to preserve the electronic document of decoding message, airplane fault code and the airplane fault isolation handbook of flight information messaging system, the troubleshooting database server connects with main database server, and main database server connects with intermediate server.
5. long distance diagnosis real time tracking system according to claim 4 is characterized in that engine message converter is made up of the conversion of network communication, message, three modules of engine parameter warning:
(1) network communication: receive the aircraft engine message in real time;
(2) message conversion: the message of conversion engine is readable text formatting and the readable form of engine performance monitoring software, for the engine performance monitoring software provides input interface, reaches the function of real-time conversion;
(3) engine parameter warning:, produce engine warning message according to the value of defining of engine performance monitoring parameter.
6. long distance diagnosis method for real time tracking may further comprise the steps:
(1) receives the original message of the flight information messaging system message receiving workstation on airline ground by the message ground receiving terminal of flight information messaging system;
(2) by the original message decoding of the flight information messaging system message demoder in the long distance diagnosis real time tracking system to described flight information messaging system, translation original message;
(3) decoded data qualification is kept in the database;
(4) with the data and the comparison of airplane fault code of (3), whether break down with diagnosis;
(5) the simple message information after will decoding and compare is to all online users' broadcasting, and if any fault, information then gives a warning;
(6) terminal user enters database to the message information operation of being paid close attention to and extracts message content behind the message information of the flight information messaging system that terminal is received.
7. long distance diagnosis method for real time tracking according to claim 6, it is characterized in that described long distance diagnosis method for real time tracking also comprises (7) step: when airborne failure message is warned, select in the accessing database server according to hyperlink different on the failure code by the aircraft maintenance slip-stick artist:
1. airplane fault is isolated handbook, and the troubleshooting method that is provided by the planemaker is provided at the failure message of diagnosing out;
2. airplane fault historical experience storehouse shows all historical experience processing for this kind fault at the failure message of diagnosing out, the calculating of pedestrian worker's classifying intelligently of going forward side by side, thus conclusive troubleshooting suggestion is provided.
8. long distance diagnosis method for real time tracking according to claim 7, it is characterized in that when no airborne failure message is warned, the aircraft maintenance slip-stick artist directly airplane fault in the accessing database server isolates handbook machine and fault history experience storehouse, obtains relevant knowledge.
9. long distance diagnosis method for real time tracking according to claim 8 is characterized in that wherein:
In (1) step, also monitor converting system in real time and receive the aircraft engine original message by the engine message;
In (2) step, monitor converting system translation aircraft engine original message in real time by the engine message.
10. long distance diagnosis method for real time tracking according to claim 8, it is characterized in that adding the map vector technology at Terminal Server Client, dynamically demonstrate flying height, flight track, flight course, flight informations such as way point, and allow the user's download zones of different of different demands, the map vector data of different figure layers.
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| CN 02134931 CN1252448C (en) | 2002-10-11 | 2002-10-11 | Long distance diagnosis real time tracking system and method thereof |
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| CN 02134931 CN1252448C (en) | 2002-10-11 | 2002-10-11 | Long distance diagnosis real time tracking system and method thereof |
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| CN1252448C true CN1252448C (en) | 2006-04-19 |
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