CN100465834C - Air-ground integrated flight equipment maintenance support system and method - Google Patents

Abstract

The invention relates to an air-ground integrated flight equipment maintenance support system, comprising: an air data subsystem, used for recording flight data, monitoring equipment status and sorting out fault data; an air-ground wireless communication network, connected with the air data subsystem, used for forwarding data received from the air data subsystem; and a ground computing subsystem connected to the air-ground wireless communication network for receiving the data and analyzing the data. The present invention also relates to an air-ground integrated flight equipment maintenance support method, which monitors and samples the necessary flight data by monitoring the important parts of the flight equipment in real time, and transmits the processed data to the ground computer through the air-ground wireless communication network. Subsystem, and then the ground computing subsystem analyzes the monitoring data according to the corresponding algorithm, generates diagnostic conclusions and maintenance suggestions, so as to check and eliminate the faults of the flight equipment, and realize the guidance of the air flight equipment.

Description

Air-ground integrated flight equipment maintenance support system and method

technical field

The invention relates to a maintenance support system and method, in particular to an air-ground integrated flight equipment maintenance support system and method.

Background technique

In recent years, as the total turnover of my country's air transport continues to grow at a high speed, the volume of aviation business has also increased significantly. With the rapid increase of aviation traffic, transportation safety has become an increasingly important topic, which has attracted the attention of manufacturers and operating organizations. In order to ensure that the aircraft can ensure that the system operates in a normal state during flight, it is necessary to ensure that every part of the aircraft is in a safe environment. This requires real-time monitoring of important parts of the aircraft, and its operating parameters Changes are analyzed to achieve the purpose of predicting possible failures.

Contents of the invention

The purpose of the present invention is to ensure that each part of the flight equipment is in a safe environment, by monitoring the important parts of the aircraft in real time, and analyzing the parameter changes during its operation, so as to realize the prediction of possible failures.

In order to achieve the above object, the present invention provides an air-ground integrated flight equipment maintenance support system, including: an air data subsystem for recording flight data, monitoring equipment status and sorting out fault data; air-ground wireless communication network, and the air-ground The data subsystem is connected to forward the data received from the air data subsystem; and the ground computing subsystem is connected to the air-ground wireless communication network to receive the data and analyze the data; wherein the The aerial data subsystem is provided with: a data acquisition module, used for monitoring and sampling flight data; a data sorting module, connected with the data acquisition module, for receiving the monitoring data recorded by the data acquisition module and analyzing the The monitoring data is screened, sorted and classified; the air-ground wireless communication network is provided with: an air communication control module connected to the data sorting module for packaging the monitoring data; wireless transceiver equipment communicating with the air The control module is connected to forward the packaged monitoring data; the ground communication control module is connected to the wireless transceiver device and used to restore the packaged data to the original monitoring data; the ground computing subsystem is provided with: a ground network, It is connected with the ground communication control module and is used to transmit the monitoring data; the data center processing module is connected with the ground network and is used for analyzing the monitoring data and determining faults to guide air flight operations.

In the above technical solution, the data acquisition module includes: a data monitoring sub-module for monitoring system data parameters; a data output sub-module for displaying and storing monitoring data; a data bus controller and the data monitoring sub-module It is connected with the data output sub-module, and is used for converting the data monitored by the data monitoring sub-module into monitoring data conforming to the data bus standard and sending it to the data output sub-module.

The data monitoring sub-module includes a sensor and an electronic data recorder for monitoring data parameters of the airborne subsystem; the data output sub-module includes a display output device for displaying and outputting monitoring data and for storing the monitoring data. Data storage for data. The sensor and/or the electronic data recorder monitors the data parameters of the system and converts them into monitoring data conforming to the data bus standard, and the monitoring data reaches the display output device and the data storage.

The data sorting module includes: a data extraction sub-module for extracting the monitoring data stored in the data acquisition module; a data screening sub-module connected to the data extraction sub-module for preliminary screening of the extracted monitoring data; fusion The processing submodule is connected with the data screening submodule for preliminary processing of the screened monitoring data; the data interface submodule is connected with the fusion processing submodule and is used for converting the preliminary processed monitoring data into conforming communication Standard monitoring data; a data management submodule, connected to the data extraction submodule, the data screening submodule and the fusion processing submodule, used for the data extraction submodule, the data screening submodule and the The fusion processing sub-module performs comprehensive scheduling.

The air communication control module includes: a first peripheral transmission module connected to the data sorting module for transmitting monitoring data; a first communication processor module connected to the first peripheral transmission module for The monitoring data is encoded; the first wireless transmission module is connected with the first communication processor module, and is used to transmit the encoded monitoring data via the wireless transceiver device. The ground communication control module includes: a second wireless transmission module, connected to the wireless transceiver device, for receiving monitoring data transmitted by the wireless transceiver device; a second communication processor module, connected to the second wireless transmission module, It is used to decapsulate and decode the monitoring data; the second peripheral transmission module is connected to the second communication processor module and is used to forward the monitoring data.

The data center processing module includes: a ground-air data link data interface module for providing an interface for receiving monitoring data for the data center processing module; a ground subsystem connected to the ground-air data link data interface module for Receive monitoring data, and process and analyze the monitoring data to generate diagnostic results and maintenance suggestions; the external interface module is connected to the ground subsystem, and is used to provide the data center processing module with the maintenance department and the air traffic control center. , airline or aircraft design department for data interaction interface.

The ground subsystem includes: a ground maintenance management center for managing the ground subsystem; a fault diagnosis and trend prediction center connected with the ground maintenance management center for real-time fault diagnosis.

The data center processing module also includes a remote fault diagnosis request interface module connected to the ground subsystem, which is used to provide an interface for expert online consultation for the data center processing module.

In order to achieve the above object, the present invention also provides an air-ground integrated flight equipment maintenance support method, comprising the following steps: the data collection module monitors and samples the flight data, and records the monitoring data; The data is screened, sorted and classified and sent to the air communication control module; the air communication control module packages the monitoring data and sends it to the ground communication control module via wireless transceiver equipment; the ground control module recovers the packaged monitoring data It is the original monitoring data, which is sent to the data center processing module via the ground network; the data center processing module analyzes the monitoring data and determines faults to guide air flight operations.

The steps of the data center processing module analyzing the monitoring data and determining the fault to guide the air flight operation are as follows: Step A, receiving the monitoring data, and decoding the received monitoring data; Step B, analyzing the troubleshooting information , historical data, and decoded monitoring data to generate ARDMS problem reports; Step C, perform fault diagnosis based on problem reports and fault models; Step D, send diagnostic conclusions and maintenance suggestions to the maintenance department, air traffic control center, airlines and aircraft design departments, and send diagnostic conclusions and maintenance recommendations to onboard subsystems.

The steps between step C and step D also include: step C1, judging whether a difficult problem is encountered, if not, execute step D, if yes, execute step C2; step C2, request remote diagnosis, and execute step D after remote diagnosis is completed.

It can be seen from the above technical solutions that the air-ground integrated flight equipment maintenance support system and method of the present invention monitor and sample the necessary flight data through real-time monitoring of the important parts of the aircraft, and transmit them to the air-ground wireless communication network after processing. The ground computing subsystem, and then the ground computing subsystem analyzes the monitoring data according to the corresponding algorithm, generates diagnostic conclusions and maintenance suggestions, so as to check and eliminate the faults of the flight equipment, and realize the guidance of the air flight equipment.

Description of drawings

Fig. 1 is a structural diagram of the air-ground integrated flight equipment maintenance support system of the present invention.

Figure 2 is a schematic diagram of the structure of the data acquisition module.

Figure 3 is a schematic diagram of the structure of the data sorting module.

Fig. 4 is a structural schematic diagram of the air communication control module and the ground communication control module.

FIG. 5 is a schematic structural diagram of a data center processing module.

Fig. 6 is a flowchart of an embodiment of fault diagnosis and analysis performed by the data center processing module.

Fig. 7 is a flow chart of another embodiment for the data center processing module to perform fault diagnosis and analysis.

Detailed ways

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

In order to ensure that the flight equipment can ensure that the system operates in a normal state during the flight, it is necessary to ensure that every part of the aircraft is in a safe environment. This requires long-term monitoring of important parts of the aircraft, and changes in its operating parameters Analyze to achieve the purpose of predicting possible failures.

In order to achieve the above object, the present invention provides an air-ground integrated flight equipment maintenance support system, as shown in Figure 1, including: air data subsystem 100, used to record flight data, monitor equipment status and organize fault data; air-ground wireless a communication network 200, connected to the air data subsystem 100, for forwarding data received from the air data subsystem; and a ground computing subsystem 300, connected to the air ground wireless communication network, for receiving the data, and analyze the data.

Wherein said aerial data subsystem 100 is provided with: data acquisition module 110, is used for monitoring and sampling flight data; Monitoring data and screening, sorting and classifying said monitoring data. The data acquisition equipment monitors the airborne equipment in real time, monitors and samples the flight data, and records the important flight data, and then the data sorting module screens, sorts and classifies the data.

The air-ground wireless communication network 200 is provided with: an air communication control module 210, connected to the data sorting module 120, for packaging the monitoring data; a wireless transceiver device 220, connected to the air communication control module 210, For forwarding the packaged monitoring data; the ground communication control module 230, connected with the wireless transceiver device 220, is used for restoring the packaged data to the original monitoring data. The air communication control module 210 obtains the monitoring data after simple processing from the data sorting module 120, packages the monitoring data and forwards it to the ground communication control module 230 with the wireless transceiver device 220, and the ground communication control module restores the packaged monitoring data to the original monitoring data. data.

The ground computing subsystem 300 is provided with: a ground network 310, connected to the ground communication control module 230, for transmitting the monitoring data; a data center processing module 320, connected to the ground network 310, for Analyze the above monitoring data and determine faults to guide air flight operations. The ground communication control module 230 will send the monitoring data to the data center processing module through the ground network, and the computer in the data center processing module will use the database and corresponding algorithm software to analyze the data, determine possible faults, and analyze the measured data. Trends are predicted, and ultimately guidance to air flight operations is formed.

As shown in Figure 2, the data acquisition module 110 includes: a data monitoring sub-module 111 for monitoring system data parameters; a data output sub-module 112 for displaying and storing monitoring data; a data bus controller 113 for communicating with the The data monitoring sub-module is connected to the data output sub-module, and is used to convert the data monitored by the data monitoring sub-module into monitoring data conforming to the data bus standard and transmit it to the data output sub-module. The data monitoring sub-module 111 includes a sensor 1111 and an electronic data recorder 1112 for monitoring the data parameters of the airborne subsystem; the data output sub-module 112 includes a display output device 1121 for displaying and outputting monitoring data and a user In the data memory 1122 for storing the monitoring data. Distributed in the aircraft body and internal airborne sensors and electronic data recorders to monitor the important parameter values of the system and convert them into digital information that conforms to the data bus standard; the digital information reaches the output device through the data bus, including display output devices and data The memory, the display output device can output the monitored data in real time and display its changes, the data memory stores the digital information and provides the original monitoring data for the superior module, such as the data sorting module.

As shown in Figure 3, the data sorting module 120 includes: a data extraction submodule 121 for extracting the monitoring data stored in the data acquisition module; a data screening submodule 122 connected with the data extraction submodule 121 for Preliminary screening is carried out to the monitoring data that extracts; Fusion processing submodule 123, is connected with described data screening submodule 122, is used to carry out preliminary processing to the monitoring data of screening; Data interface submodule 124, with described fusion processing submodule 123 Connection, for converting the monitoring data of preliminary processing into monitoring data conforming to the communication standard; the data management submodule 125 is connected with the data extraction submodule 121, the data screening submodule 122 and the fusion processing submodule 123 , for performing comprehensive scheduling on the data extraction sub-module 121 , the data screening sub-module 122 and the fusion processing sub-module 123 . The data extraction sub-module 121 is mainly responsible for reading data from the data storage, and clearing the corresponding storage units in the data storage to prepare for future data collection. The data screening sub-module 122 performs preliminary screening on the extracted monitoring information, discards the values with small amount of information or atypical values, reduces the calculation time, reduces the workload of the system, and thus improves the calculation efficiency. Fusion processing sub-module 123, which fuses information such as flight parameters and status information of each cross-linking system to carry out comprehensive diagnosis according to the model or fault dictionary, performs preliminary processing on the data, and performs certain compression and encryption on the data as required, so as to facilitate the Wireless transmission under small bandwidth. The data interface sub-module 124 is used to convert the preprocessed data into a digital signal conforming to the communication standard, and provide a standard data stream for the ground-air communication in the next step. The data management module 125 is used to comprehensively schedule the data extraction sub-module 121, the data screening sub-module 122 and the fusion processing sub-module 123, so that the entire data flow can meet the requirements of completeness, coordination and synchronization.

As shown in Figure 4, the air communication control module 210 includes: a first peripheral transmission module 211, connected with the data sorting module, for transmitting monitoring data; a first communication processor module 212, connected with the first peripheral transmission module 211 is connected to encode the monitoring data; the first wireless transmission module 213 is connected to the first communication processor module 212 and is used to transmit the encoded monitoring data via wireless transceiver equipment.

The ground communication control module 230 includes: a second wireless transmission module 231 , a second communication processor module 232 and a second peripheral transmission module 233 . The second wireless transmission module 231 is connected with the wireless transceiver device, used to receive the monitoring data transmitted by the wireless transceiver device, responsible for the wireless transceiver device to send and receive and process the monitoring data, and responsible for converting the receiver automatic gain control voltage into a strength evaluation signal, When multiple ground stations receive the same downlink data, the light evaluation signal is used to select the ground station with the best signal to receive and process the data. This module loads the station control process and signal processing process. The second communication processor module 232 is connected with the second wireless transmission module 231, and is used to decapsulate and decode the monitoring data. This module defines the general interface and expansion interface of the communication processor, and the general interface is used to connect The second wireless transmission module, the expansion interface can be connected to other peripherals; this module includes a digital signal processing module, which is used to process the data sent by the wireless transmission module, and a control module, which is loaded with a communication control process for coordination Communication traffic, and data encapsulation (or decapsulation) processing. The second peripheral transmission module 233 is connected with the second communication processor module 232 for forwarding the monitoring data; the ground communication control module is connected to the ground network through the interface provided by the second peripheral transmission module, thereby realizing the connection between the two In addition, the gateway function provided by this module can encapsulate and decapsulate data packets accordingly, so as to realize transparent data transmission between the ground communication control module and the ground network.

As shown in Figure 5, the data center processing module includes: a ground-air data link data interface module 321, which is connected to the ground network 310, and is used to provide the data center processing module with receiving data messages, checking information and Interface for monitoring data such as aircraft status information, and provide a data format conversion middleware to decode the monitoring data. The ground subsystem 322 is connected with the ground-air data link data interface module 321, and is used to receive monitoring data, and generate diagnosis results and maintenance suggestions after processing and analyzing the monitoring data; the external interface module 323 is connected with the ground The subsystem connection is used to provide the data center processing module with an interface for data interaction with external departments, such as maintenance departments, air traffic control centers, airlines or aircraft design departments. Wherein, the ground subsystem 322 includes: a ground maintenance management center 3221 and a fault diagnosis and trend prediction center 3222 . The ground maintenance management center 3221 is used to manage the ground subsystems, establish various databases, massive data management, data return visit and analysis, etc.; the fault diagnosis and trend prediction center 3222 is connected to the ground maintenance management center , for real-time fault diagnosis, fault prediction, flight safety and system performance prediction, maintenance prediction, autonomous logistics, and according to different data types, there are different fault diagnosis terminals, based on flight parameters and built-in tests (Built-in- test, referred to as BIT) information to complete the flight control system, engine system, avionics system fault diagnosis and trend prediction expert system development.

As shown in Figure 5, the data center processing module 320 also includes a remote fault diagnosis request interface module 324 connected to the ground subsystem, providing a remote diagnosis data access interface middleware for providing expert online consultation for the data center processing module The interface provides a supplementary solution for the fault diagnosis and trend center. When the fault diagnosis and trend center encounters difficult problems in the fault diagnosis of the monitoring data of the flight equipment, it can realize expert online consultation through the interface module and the network, thereby This ensures the timeliness and accuracy of flight guidance provided to flight equipment.

In order to achieve the purpose of predicting possible failures by monitoring the important parts of the aircraft and analyzing the changes in its operating parameters, the present invention also provides a maintenance support method for air-ground integrated flight equipment, including the following steps: The acquisition module monitors and samples the flight data, and records the monitoring data; the data sorting module screens, organizes and classifies the monitoring data and sends it to the air communication control module; the air communication control module packages the monitoring data, sent to the ground communication control module via wireless transceiver equipment; the ground control module restores the packaged monitoring data to the original monitoring data, and sends the monitoring data to the data center processing module via the ground network; the data The central processing module analyzes the monitoring data and determines faults to guide air flight operations.

Fig. 6 is a flowchart of an embodiment of fault diagnosis and analysis performed by the data center processing module. The steps for the data center processing module to analyze the monitoring data and determine faults to guide air flight operations are as follows:

Step A, receiving monitoring data, and performing data decoding on the received monitoring data;

Step B, analyzing the troubleshooting information, historical data and decoded monitoring data to generate an ARDMS problem report;

Step C, performing fault diagnosis according to the problem report and fault model;

Step D, sending the diagnosis conclusion and maintenance suggestion to external departments, such as maintenance department, air traffic control center, airline and aircraft design department, and sending the diagnosis conclusion and maintenance suggestion to the airborne subsystem. In the step D, sending the diagnosis conclusion and maintenance suggestion to the airborne subsystem is specifically: encapsulating the diagnosis conclusion and maintenance suggestion in an airborne message and sending it to the airborne subsystem through the ground network, that is, the air-ground wireless transceiver device.

When the data center processing module also includes a remote fault diagnosis request interface module connected to the ground subsystem, when the fault diagnosis and trend center encounters a difficult problem when performing fault diagnosis on the monitoring data of the flight equipment, it can pass this The interface module and the network realize the online consultation of experts, thereby ensuring the timeliness and accuracy of providing flight guidance for flight equipment. Fig. 7 is a flow chart of another embodiment for the data center processing module to perform fault diagnosis and analysis. On the basis of the previous embodiment, this embodiment also includes between the step C and the step D:

Step C1, judging whether a difficult problem is encountered, if not, execute step D, if yes, execute step C2;

Step C2, request remote diagnosis, and execute step D after the remote diagnosis is completed.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be The scheme shall be modified or equivalently replaced without departing from the spirit and scope of the technical scheme of the present invention.

Claims (12)

1, a kind of maintenance of air-ground integrated flight device support system comprises: aerial data subsystem is used for record flight data, monitor equipment status and arrangement fault data; The vacant lot cordless communication network is connected with described aerial data subsystem, is used to transmit the data that receive from aerial data subsystem; And the ground computing subsystem, be connected with described vacant lot cordless communication network, be used to receive described data, and described data are analyzed; It is characterized in that,

Described aerial data subsystem is provided with: data acquisition module is used for flying quality is monitored and sampled; The data preparation module is connected with described data acquisition module, is used to receive the Monitoring Data of described data acquisition module record and described Monitoring Data is screened, put in order and classifies;

Described vacant lot cordless communication network is provided with: the air communication control module, be connected with described data preparation module, and be used for described Monitoring Data is packed; Wireless transmitting-receiving equipments is connected with described air communication control module, is used to transmit the Monitoring Data of packing; The ground communication control module is connected with described wireless transmitting-receiving equipments, is used for the data of packing are reverted to original Monitoring Data;

Described ground computing subsystem is provided with: ground network, be connected with described ground communication control module, and be used to transmit described Monitoring Data; Data center's processing module is connected with described ground network, is used for described Monitoring Data is analyzed, judges that fault is to instruct the airflight operation.

2, system according to claim 1 is characterized in that, described data acquisition module comprises: the data monitoring submodule is used for the data parameters of monitoring system; The data output sub-module is used for showing and the storage Monitoring Data; Data bus controller is connected with described data output sub-module with described data monitoring submodule, is used for that described data monitoring submodule data monitored is converted into the Monitoring Data that meets data bus standard and is sent to described data output sub-module.

3, system according to claim 2 is characterized in that, described data monitoring submodule comprises the sensor and the electronic data recorder of the data parameters that is used to monitor On-Board Subsystem; Described data output sub-module comprises and is used to show and exports the demonstration output unit of Monitoring Data and be used to store the data-carrier store of described Monitoring Data.

4, system according to claim 1 is characterized in that, described data preparation module comprises:

The data extract submodule is used for extracting the Monitoring Data that data acquisition module is stored;

The data screening submodule is connected with described data extract submodule, is used for the Monitoring Data of extracting is carried out preliminary screening;

The fusion treatment submodule is connected with described data screening submodule, is used for the Monitoring Data of screening is carried out rough handling;

The data-interface submodule is connected with described fusion treatment submodule, is used for the Monitoring Data of rough handling is converted into the Monitoring Data that meets communication standard;

The data management submodule is connected with described data extract submodule, described data screening submodule and described fusion treatment submodule, is used for described data extract submodule, described data screening submodule and described fusion treatment submodule are carried out integrated dispatch.

5, system according to claim 1 is characterized in that, described air communication control module comprises:

The first peripheral transport module is connected with described data preparation module, is used for the transmission of monitoring data;

The first communication processor module is connected with the described first peripheral transport module, is used for described Monitoring Data is encoded;

First wireless transport module is connected with the described first communication processor module, is used for the Monitoring Data behind the coding is sent out via wireless transmitting-receiving equipments;

Described ground communication control module comprises:

Second wireless transport module is connected with described wireless transmitting-receiving equipments, is used to receive the Monitoring Data of wireless transmitting-receiving equipments transmission;

The second communication processor module is connected with described second wireless transport module, is used for described Monitoring Data is carried out decapsulation and decoding;

The second peripheral transport module is connected with described second communication processor module, is used to transmit described Monitoring Data.

6, system according to claim 1 is characterized in that, described data center processing module comprises:

The Ground-to-Air Data Link data interface module is used to described data center processing module that the interface that receives Monitoring Data is provided;

Ground subsystem is connected with described Ground-to-Air Data Link data interface module, is used to receive Monitoring Data, and described Monitoring Data is carried out generating diagnostic result and maintenance suggestion after the Treatment Analysis;

The external interface module is connected with described ground subsystem, is used to described data center processing module that the interface that carries out data interaction with maintenance department, air traffic control centre, airline or aircraft design unit is provided.

7, system according to claim 6 is characterized in that, described ground subsystem comprises:

Ground maintenance administrative center is used for ground subsystem is managed;

Fault diagnosis and trend prediction center are connected with described ground maintenance administrative center, are used to carry out the real time fail diagnosis.

8, according to claim 6 or 7 described systems, it is characterized in that, described data center processing module also comprises the remote fault diagnosis request interface module that is connected with described ground subsystem, is used to data center's processing module that the interface of the online consultation of doctors of expert is provided.

9, a kind of maintenance of air-ground integrated flight device support method is characterized in that, may further comprise the steps:

Data acquisition module is monitored flying quality and is sampled, and Monitoring Data is carried out record;

The data preparation module described Monitoring Data is screened, is put in order and classify after send to the air communication control module;

Described air communication control module is packed Monitoring Data, is sent to described ground communication control module via wireless transmitting-receiving equipments;

Described Ground Control module reverts to original Monitoring Data with the Monitoring Data of packing, via described ground network described Monitoring Data is sent to data center's processing module;

Described data center processing module analyzes, judges that to described Monitoring Data fault is to instruct the airflight operation.

10, method according to claim 9 is characterized in that, described data center processing module analyzes, judges that to described Monitoring Data fault is specially with the step that instructs the airflight operation:

Steps A, reception Monitoring Data are carried out data decode to the Monitoring Data that receives;

Step B, analysis are looked into event information, historical data and decoded Monitoring Data and are generated the ARDMS problem report;

Step C, carry out fault diagnosis according to problem report and fault model;

Step D, diagnosis and maintenance suggestion are sent to maintenance department, air traffic control centre, airline and aircraft design unit, and diagnosis and maintenance suggestion are sent to On-Board Subsystem.

11, method according to claim 10 is characterized in that, also comprises between described step C and the step D:

Step C1, judge whether to run into knotty problem, if not, execution in step D, if, execution in step C2;

Step C2, request remote diagnosis, remote diagnosis is finished, execution in step D.

12, according to claim 10 or 11 described methods, it is characterized in that, among the described step D diagnosis is sent to On-Board Subsystem with the maintenance suggestion and is specially, diagnosis and maintenance are advised by issuing On-Board Subsystem after the airborne message encapsulation.

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