CN103136791B - Data association method and device for airplane digital maintenance application - Google Patents

Abstract

The invention relates to a data association method for an airplane digital maintenance application, which comprises the following steps: obtaining a first digital model of an object comprising information related to an aircraft digital repair application; storing a first object digital model; identifying at least a portion of the first object digital model as a hot zone based on information represented by the first object digital model; determining a corresponding second object digital model according to the information represented by the hot zone, and establishing a data table comprising the corresponding relation between the hot zone and the determined second object digital model corresponding to the hot zone, wherein the second object digital model comprises information related to the aircraft digital maintenance application. The invention can establish the association and dynamic application from the maintenance manual to the three-dimensional digital model, enhance the intuition of the maintenance process and improve the maintenance efficiency and quality.

Description

Data association method and device for aircraft digital maintenance application

technical field

The invention relates to a data association method and its device, in particular to a data association method and its device for the application of aircraft digital maintenance.

Background technique

With the increasing emphasis on comprehensive logistics support for large and complex equipment, digital maintenance technology and related information systems have been greatly developed and applied. For example, in the field of aircraft integrated logistics support, Boeing and Airbus, two major civil aviation giants, have gradually carried out research on digital maintenance systems and developed related systems, mainly composed of failure prediction and status management systems (PHM, Prognostics and Health Management) ), Portable Maintenance Aid (PMA, Portable Maintenance Aid), Interactive Electronic Technical Manual (IETM, Interactive Electronic Technical Manual), remote maintenance system and other key technologies. In practical applications, each digital maintenance system has different emphases. A typical digital maintenance system, such as Boeing's MPT (Maintenance Performance Toolbox), its core function is to provide interactive query of technical data, maintenance monitoring, remote technical support and fault diagnosis for maintenance technicians through network connection with the central computer system . In the interactive query of technical data, hot spots are established in the 2D pictures in the technical data, and the hot spots are associated with the corresponding 3D digital models, so as to realize the associated application of 2D-3D.

At present, the technology to achieve the above association is to use silverlight technology to realize the development of Web front-end application program on the windows platform, and establish a transparent Web control. Then, the control uses a 2D picture as the background, defines the hot zone of the 2D picture through the Web control, and establishes the hot zone and Binding of 3D digital models. However, the 2D-3D related application realized by using this technology cannot realize cross-platform application, and puts forward higher requirements on the client and browser, and cannot be well integrated and comprehensively applied with Web application programs.

Contents of the invention

The present invention proposes a method for solving the above problems, which relates to a data association method for aircraft digital maintenance applications.

According to one aspect of the present invention, a data association method for an aircraft digital maintenance application is provided, the association method comprising: acquiring a first object digital model, the first object digital model including information related to the aircraft digital maintenance application; storing the first object digital model; based on the information represented by the first object digital model, identifying at least a part of the first object digital model as a hot zone; determining the corresponding second object digital model according to the information represented by the hot zone, and establishing a A data table of the corresponding relationship between the zone and the determined second object digital model corresponding to the hot zone, wherein the second object digital model includes information related to the aircraft digital maintenance application.

Using the method of the present invention, association and dynamic applications from maintenance manuals to 3D image digital models or HTML or resource files can be established, so as to enhance the intuitiveness of aircraft maintenance and improve the efficiency and quality of aircraft maintenance.

Preferably, the association method of the present invention is implemented under the environment of JavaEE. The use of JavaEE can make the association method have good cross-platform and portability.

Preferably, the first object digital model includes a two-dimensional image digital model related to the aircraft digital maintenance application and a text digital model related to the aircraft digital maintenance application; the second object digital model includes a 3D image digital model related to the aircraft digital maintenance application Or HTML or resource files etc. The advantage of this is that it can establish associations and dynamic applications from maintenance manuals to 3D image digital models or HTML or resource files, enhance the visualization of aircraft maintenance, and improve the efficiency and quality of aircraft maintenance.

Preferably, the first object numerical model and the second object numerical model are stored in a hierarchical structure. Hierarchical structure storage is convenient for users to quickly query and view.

Preferably, the hot zone is established based on the JQnery framework. The advantage of using the JQnery framework to create a hot zone is that you can create a hot zone with any geometric shape, so that the shape of the hot zone is not limited to regular geometric shapes.

Preferably, weight reduction processing is performed on the second object digital model to obtain a light weight second object digital model. The advantage of adopting the light weight digital model of the second object is that the space occupied by the digital model of the second object can be greatly reduced.

According to the second aspect of the present invention, there is provided a method for displaying the digital model of the second object using the above-mentioned association method, the display method includes: obtaining the hot zone of the selected digital model of the first object; according to the data sheet, Based on the selected hot zone of the first digital model of the first object, the corresponding second digital model of the object is searched; and the second digital model of the second object corresponding to the selected hot zone of the first digital model of the first object is displayed.

Using the method of the present invention enables better visualization and operability of displayed related resources during aircraft maintenance, greatly enhances the visualization of aircraft maintenance, thereby improving the efficiency and quality of aircraft maintenance.

Preferably, the presentation method is implemented in the JavaEE environment. The use of JavaEE can make the association method have good cross-platform and portability.

Preferably, the display method uses rich client technology to display. The use of rich client technology can make the visibility better, make the user experience more friendly, optimize the business operation process, and improve the operation efficiency.

Corresponding to the above method invention, the present invention also provides a corresponding device invention.

According to a third aspect of the present invention, there is provided a data associating device for aircraft digital maintenance applications, the associating device includes: a first obtaining device, used to obtain a first object digital model, the first object digital model includes the aircraft Information related to digital maintenance applications; storage means for storing the first object digital model; identification means for identifying at least a part of the first object digital model as a hot zone based on information represented by the first object digital model; corresponding means , determining the corresponding digital model of the second object according to the information represented by the hot zone, and establishing a data table including the corresponding relationship between the hot zone and the determined digital model of the second object corresponding to the hot zone, wherein the second object The digital model includes information relevant to aircraft digital maintenance applications.

Using the device of the present invention, association and dynamic applications from maintenance manuals to 3D image digital models or HTML or resource files can be established, thereby enhancing the intuitiveness of aircraft maintenance and improving the efficiency and quality of aircraft maintenance.

Preferably, the associated device is realized by using JavaEE, which can make the associated device have good cross-platform and portability.

According to the fourth aspect of the present invention, there is provided a device for displaying the digital model of the second object by using the above-mentioned associating device, the display device includes: a second obtaining device, used to obtain the selected digital model of the first object The hot zone; the search device is used to find the corresponding second object digital model based on the selected hot zone of the digital model of the first object according to the data table; the display device is used to display and select the hot zone of the first digital model of the object The corresponding second object numerical model.

Using the device of the present invention enables better visualization and operability of displayed related resources during aircraft maintenance, greatly enhances the visualization of aircraft maintenance, thereby improving the efficiency and quality of aircraft maintenance.

Preferably, the display device is realized by using JavaEE, which can make the display device have good cross-platform and portability.

Description of drawings

Fig. 1 shows the flow process of the data association method for aircraft digital maintenance application according to the first embodiment of the present invention;

FIG. 2 shows a flow for implementing a method for displaying a digital model of a second object using the association method in FIG. 1 according to a second embodiment of the present invention;

Fig. 3 shows the device of the data association method for aircraft digital maintenance application according to the third embodiment of the present invention;

FIG. 4 shows an apparatus for displaying a digital model of a second object using the association apparatus of FIG. 3 according to a fourth embodiment of the present invention.

detailed description

Examples for carrying out the present invention are described in detail below.

Example 1

Fig. 1 shows the flow of a data association method for aircraft digital maintenance applications according to a first embodiment of the present invention. In this embodiment, the association method is performed according to the following steps:

S101: Acquire the digital model of the first object;

S102: Store the digital model of the first object;

S103: Identify at least a part of the digital model of the first object as a hot zone;

S104: Establish a data table including a correspondence relationship between the hot zone and the determined digital model of the second object corresponding to the hot zone.

For example, in the JavaEE environment, the content including text and two-dimensional images is extracted from the electronic documents related to aircraft maintenance, the original electronic documents are reconstructed in XML format, and they are saved in a hierarchical structure to obtain the manual structure tree. Add, modify and delete operations on the obtained manual structure tree. Then, on the basis of the manual structure tree, import the content of the maintenance manual, and bind the content with the structure tree to obtain a standardized manual, and then import the standardized manual into the manual library. On the other hand, 3DVIA Composer technology can be used to realize the step-by-step lightweight processing of Catia 3D design models to obtain lightweight 3D models that can be integrated with browsers, and import these lightweight 3D models into the model library. Then you can use the JQuery framework, adopt a lightweight JS library, define HTML documents and events, realize animation effects, and provide AJAX interaction for the display page, so as to realize the definition of hot areas on the 2D map and compare the hot areas with the 3D model Association, etc., so that the dynamic association of 2D graphs to 3D models can be realized.

Similar methods can be used to establish the association between other content in the manual including 2D drawings, such as text, and 3D models or other resource files, such as: the association between 2D and 3D models, the association between text and 3D models, Association of text and HTML, association of 2D and/or text with resource files, etc. Store the corresponding relationship obtained after establishing the association into the data table, and import the data table into the manual model association library. As long as you click on the first object digital model, such as a 2D model or a text or a hot zone on 2D and/or text, you can query the corresponding relationship between the hot zone of the first object digital model and the second object digital model model in the background. The data table finds the corresponding second object digital model model according to the hot zone of the first object digital model, thereby realizing the dynamic association between the first object digital model and the second object digital model digital model, enhancing the intuitiveness of aircraft maintenance, and improving The efficiency and quality of aircraft maintenance are improved, and the association method also has good cross-platform and portability.

Example 2

Fig. 2 shows a flowchart for implementing a method for displaying a digital model of a second object using the association method in Fig. 1 according to a second embodiment of the present invention. In this embodiment, the display method is carried out according to the following steps:

S201: Obtain the hot zone of the selected digital model of the first object;

S202: Find the corresponding second object digital model based on the selected hot zone of the first object digital model according to the data table;

S203: Display the second object digital model corresponding to the selected hot zone of the first object digital model.

For example, in the JavaEE environment, after the 2D model and the 3D model in the aircraft maintenance manual are associated according to the method in Embodiment 1, the user clicks on the hot spot on the 2D model in the foreground, and the user can obtain the 3D model selected by the user in the background. The hot zone on the 2D model, and then query the data table that stores the correspondence between the 2D hot zone and the 3D model, find the corresponding 3D model from the hot zone on the 2D model selected by the user, and then display the 3D model . The 3DVIA Composer technology can be used to realize the step-by-step lightweight processing of the Catia 3D design model. The lightweight 3D model can be integrated with the browser, and the model can be loaded and displayed through the browser plug-in of 3DVIA Composer, and the user can carry out the process through the browser. Convenient and fast 3D model viewing, association, and interactive operation provide a good user experience. The rich client technology can also be used to display the maintenance manual to make the user experience more friendly. For example, the front-end display technology Flex is used to realize document browsing and user operation.

The display method of the present invention can not only be used to display the 3D model corresponding to the hot zone of the 2D model, but also can display the 3D model corresponding to the text, the HTML corresponding to the text, the resource file corresponding to the text and/or the hot zone of the 2D model, etc. It makes the visualization and operability of related resources displayed better during aircraft maintenance, greatly enhances the visualization of aircraft maintenance, thereby improving the efficiency and quality of aircraft maintenance, and the display method also has good cross-platform, portability.

Example 3

Fig. 3 shows a data association device for aircraft digital maintenance application according to a third embodiment of the present invention. In this embodiment, the data association device is realized under the JavaEE environment. First, the first obtaining device 310 obtains the digital model of the first object such as 2D diagram or text from the manual related to aircraft maintenance, and then uses the storage device 320 to store The above-mentioned 2D diagrams or texts, etc. are preferably stored in a hierarchical structure, and then use the identification device 330 to identify at least a part of these 2D diagrams or texts, etc., as hot spots based on the information represented by the above-mentioned 2D diagrams or texts, preferably using the JQuery framework definition hot zone, finally use the corresponding means 340 to determine the corresponding second object digital model such as 3D model or resource file or HTML according to the information represented by the hot zone, establish the corresponding relationship between the two, and store this corresponding relationship in the data surface.

Using the device of the present invention, associations and dynamic applications from maintenance manuals to 3D digital models or resource files or HTML can be established, thereby enhancing the intuitiveness of aircraft maintenance, improving the efficiency and quality of aircraft maintenance, and the association device also has Very good cross-platform, portability.

Example 4

FIG. 4 shows an apparatus for displaying a digital model of a second object using the association apparatus of FIG. 3 according to a fourth embodiment of the present invention. In this embodiment, the data association device is implemented under the JavaEE environment. First, use the second obtaining device 410 to obtain the hot zone of the selected first digital model of the object, such as a 2D model or text, and then use the searching device 420 according to the stored The corresponding data table searches for the corresponding second object digital model such as 3D model or resource file or HTML based on the hot zone of the selected 2D model or text, etc., and finally uses the display device 430 to display and select the 2D model or text 3D model or resource file or HTML corresponding to hot zone etc.

Using the device of the present invention, not only can display the 3D model corresponding to the 2D model hot area, but also can display the 3D model corresponding to the text, the HTML corresponding to the text, the resource file corresponding to the text and/or the 2D model hot area, etc. It makes the visualization and operability of related resources displayed better during aircraft maintenance, greatly enhances the visualization of aircraft maintenance, thereby improving the efficiency and quality of aircraft maintenance, and the display device also has good cross-platform, portability.

While the invention has been described with reference to presently considered embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. On the contrary, the invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. The scope of the following claims is accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims (13)

1., for a data correlation method for aircraft digital maintenance application, wherein, described correlating method includes:

A. obtaining first mathematical model of controlled plant, described first mathematical model of controlled plant includes the information relevant to aircraft digital maintenance application；

B. described first mathematical model of controlled plant is stored；

C. the information represented based on described first mathematical model of controlled plant, is designated hot-zone at least partially by described first mathematical model of controlled plant；

D. second mathematical model of controlled plant of correspondence is determined according to the information represented by described hot-zone, set up tables of data, described tables of data include described hot-zone with determined by the corresponding relation of second mathematical model of controlled plant corresponding with described hot-zone, wherein said second mathematical model of controlled plant includes the information relevant to aircraft digital maintenance application

Wherein said first mathematical model of controlled plant includes the two dimensional image mathematical model relevant to aircraft digital maintenance application and the textual number model relevant with aircraft digital maintenance application；Described second mathematical model of controlled plant includes the three-dimensional image digital model relevant to aircraft digital maintenance application.

2. the correlating method described in claim 1, it is characterised in that described correlating method realizes under JavaEE environment.

3. the correlating method described in claim 1, it is characterised in that wherein said first mathematical model of controlled plant preserves with hierarchical structure.

4. the correlating method described in claim 1, it is characterised in that wherein set up described hot-zone based on JQnery framework.

5. the correlating method described in claim 1, it is characterised in that wherein described second mathematical model of controlled plant is carried out light-weight technologg to obtain light-weighted second mathematical model of controlled plant.

6. the correlating method described in claim 1, it is characterised in that wherein said second mathematical model of controlled plant preserves with hierarchical structure.

7., for showing a methods of exhibiting for second mathematical model of controlled plant, wherein, described second mathematical model of controlled plant and first mathematical model of controlled plant are associated by the correlating method described in claim 1, and described methods of exhibiting includes:

E. the hot-zone of selected described first mathematical model of controlled plant is obtained；

F. according to described tables of data, hot-zone based on described first mathematical model of controlled plant, search corresponding described second mathematical model of controlled plant；

G. described second mathematical model of controlled plant corresponding with the hot-zone of described first mathematical model of controlled plant is shown,

Wherein said first mathematical model of controlled plant includes the two dimensional image mathematical model relevant to aircraft digital maintenance application and the textual number model relevant with aircraft digital maintenance application；Described second mathematical model of controlled plant includes the three-dimensional image digital model relevant to aircraft digital maintenance application.

8. the methods of exhibiting described in claim 7, it is characterised in that described methods of exhibiting realizes under JavaEE environment.

9. the methods of exhibiting described in claim 7, it is characterised in that described methods of exhibiting uses Rich Client Technology to show.

10., for a data association device for aircraft digital maintenance application, wherein, described associated apparatus includes:

A. the first acquisition device, for obtaining first mathematical model of controlled plant, described first mathematical model of controlled plant includes the information relevant to aircraft digital maintenance application；

B. store device, be used for storing described first mathematical model of controlled plant；

C. identity device, for the information that represents based on described first mathematical model of controlled plant, is designated hot-zone at least partially by described first mathematical model of controlled plant；

D. corresponding intrument, second mathematical model of controlled plant of correspondence is determined according to the information represented by described hot-zone, set up tables of data, described tables of data include described hot-zone with determined by the corresponding relation of second mathematical model of controlled plant corresponding with described hot-zone, wherein said second mathematical model of controlled plant includes the information relevant to aircraft digital maintenance application

Wherein said first mathematical model of controlled plant includes the two dimensional image mathematical model relevant to aircraft digital maintenance application and the textual number model relevant with aircraft digital maintenance application；Described second mathematical model of controlled plant includes the three-dimensional image digital model relevant to aircraft digital maintenance application.

Associated apparatus described in 11. claim 10, it is characterised in that described associated apparatus uses JavaEE to realize.

12. 1 kinds of exhibiting devices for displaying second mathematical model of controlled plant, wherein, described second mathematical model of controlled plant and first mathematical model of controlled plant are associated by the associated apparatus described in claim 10, and described exhibiting device includes:

E. the second acquisition device, for obtaining the hot-zone of selected described first mathematical model of controlled plant；

F. device is searched, for according to described tables of data, hot-zone based on described first mathematical model of controlled plant, searching corresponding described second mathematical model of controlled plant；

G. exhibiting device, for showing described second mathematical model of controlled plant corresponding with the hot-zone of described first mathematical model of controlled plant,

Wherein said first mathematical model of controlled plant includes the two dimensional image mathematical model relevant to aircraft digital maintenance application and the textual number model relevant with aircraft digital maintenance application；Described second mathematical model of controlled plant includes the three-dimensional image digital model relevant to aircraft digital maintenance application.

Exhibiting device described in 13. claim 12, it is characterised in that described exhibiting device uses JavaEE to realize.