CN1953463A - Information integration system and method from multiple CAD systems to PDM system - Google Patents
Information integration system and method from multiple CAD systems to PDM system Download PDFInfo
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Abstract
The invention relates to an information integration system and method from a multi-CAD system to a PDM system, wherein the system comprises a service end and a client end, the service end is additionally provided with a CAD information interaction layer on the basis of the original PDM system, and the client end comprises a PDM information interaction layer and a CAD adapter layer. The method comprises the following steps: an adapter in the CAD calls an interface of the CAD to extract various needed data and files; the adapter calls an interface provided by the PDM information interaction layer, and transmits design data and files to the PDM information interaction layer through parameters of the interface; the PDM information interaction layer transmits design data and files to the CAD information interaction layer through an HTTP protocol; the CAD information interaction layer receives a request and data sent by the PDM information interaction layer, calls other management modules of the PDM system to perform corresponding processing on the received data, and returns a processing result to the PDM information interaction layer; the PDM information interaction layer returns the result to the adapter; the adapter processes the returned result correspondingly and displays the result on the interface. The invention can realize embedded integration between PDM systems of different operating system platforms and various CAD systems through multilayered frame design, and can transmit information among the systems.
Description
Technical field
The present invention relates to information integrated system and the method for many CAD systems, belong to the information integration technical field to the PDM system.
Background technology
At present, a large amount of design informations (comprising designed graphic document, design data) of how effectively managing, utilize enterprise's CAD system to produce are one of subject matter of PDM (Product Data Management product data management) systems face.Information integration between current C AD system and PDM system mainly adopts the form of manual mode, intermediate file and special purpose interface to carry out.Wherein, manual mode relies on manual typing mode to carry out transmission of Information between system, its inefficiency, error rate height; The intermediate file mode is transmitted information with a kind of appointed file form, and by the feature operation generation intermediate file and the selection intermediate file of agreement, its integrated level is low, operation inconvenience; The mode of special purpose interface is to do primary development at the CAD end, directly visit the PDM database, submit information to the PDM system, this integration mode still can be used single CAD is integrated, but integrated for multiple CAD system because and the database association tension of PDM system, integrated the lacking flexibility between system, in case the PDM system changes, the integrated interface of then all CAD ends all must be readjusted.This situation is more outstanding for the PDM system based on the J2EE framework.In the PDM system on the unix platform with operate in multiple CAD system on the Microsoft Windows platform and carry out Embedded closely integratedly, still find no the Frame Design and the realization of architectonical based on the JAVA technical operation.
Summary of the invention
For solve PDM system and CAD system integrated level low, lack flexibility, problem such as spanning operation system platform, the present invention proposes information integrated system and the method for a kind of many CAD systems to the PDM system, the present invention is by the Frame Design of multiple stratification, can realize operating in the PDM system of different operating system platform and multiple CAD system carry out embedded integrated, transmission information between system (file and data).
For this reason, the present invention proposes following system and method:
System of the present invention is the information integrated system of a kind of many CAD systems to the PDM system, comprise service end and client two parts, described service end part has increased CAD information interaction layer on the basis of original PDM system, described client part comprises PDM information interaction layer and CAD adapter layer, wherein:
Described CAD information interaction layer is positioned at service end, is used to receive the HTTP request that client is sent, and result is returned client;
Described PDM information interaction layer is positioned at client, is used for sending the request of client and receiving the information that CAD information interaction layer returns to CAD information interaction layer, receives and handle CAD adapter layer information transmitted simultaneously;
Described CAD adapter layer is positioned at client, comprise respectively a plurality of CAD adapters of corresponding Different CAD software, be used for extracting the information of each CAD, give PDM information interaction layer the message transmission of the CAD that gets access to, and the request of response PDM information interaction layer, carry out the processing of CAD end.
Described CAD information interaction layer uses the JSP technology to receive the HTTP request that client is sent, and result is returned the requesting party of client in the mode of XML byte stream;
Described PDM information interaction layer is a control of showing service end information, and it uses the case mechanism of the ActiveX technology of Microsoft to send the request of client, information, reception and the processing CAD adapter information transmitted that the reception service end is returned to service end;
Described CAD adapter is the program that operates in the CAD software inhouse.
Described PDM information interaction layer is by ActiveX control, and com component and one group of dll file constitute, and the effect of ActiveX control is the information of showing service end, and event trigger mechanism and Processing Interface are provided.
The service end information that described PDM information interaction layer is showed is the directoryof of PDM product tree or element.
The inventive method is the information integration method of a kind of many CAD systems to the PDM system, and it may further comprise the steps:
Step 1: call the interface of CAD by the adapter in the CAD, extract the various data and the design document that need;
Step 2: call the interface that PDM information interaction layer provides by adapter, design data and the design document parameter by this interface is delivered to PDM information interaction layer;
Design data that step 3:PDM information interaction layer will obtain from adapter and design document are sent to the CAD information interaction layer of service end by http protocol;
Step 4: the CAD information interaction layer of service end receives request and the data that client PDM information interaction layer sends, call then that other administration modules of PDM system are correspondingly processed to the data of receiving in the service end, again result is returned the PDM information interaction layer of client;
Step 5: the result that the PDM information interaction layer of client obtains returning, again the result is returned adapter;
Step 6: adapter is correspondingly processed for the result who returns, and the result that will handle is presented on the interface.
In described step 4, the interface that the CAD information interaction layer of service end uses the HTTP service of the JSP technology of standard to provide, the request of obtaining client.
The present invention has the following advantages:
The present invention can realize operating in the PDM system of different operating system platform and multiple CAD system carry out embedded integrated, transmission information between system;
2. adopt the Frame Design of multiple stratification owing to the present invention, thereby can eliminate the close coupling between each module effectively, make the expansion of system convenient.For any CAD system, can be integrated in this way in the PDM system based on the J2EE framework with second development interface.
Description of drawings
Fig. 1 is the frame diagram of integrated system of the present invention;
Fig. 2 is the flow chart of the inventive method;
Fig. 3 is the flow chart of user's login process in the example of the present invention.
Embodiment
Be described further below in conjunction with accompanying drawing.
The present invention proposes information integrated system and the method for a kind of many CAD systems to the PDM system.
This system is divided into service end part and client part.PDM service end part increases CAD information interaction layer on the basis that keeps original PDM design, be used for handling data and the request that the CAD client sends; The PDM client part comprises two-layer, one deck is a PDM information interaction layer, is used for receiving the data of PDM service end and sends request to the PDM service end, and another layer is the CAD adapter layer, be used for extracting the information of each CAD, the adapter of a correspondence is just arranged for each CAD.As shown in Figure 1, information integrated system composition of the present invention comprises:
CAD information interaction layer: be positioned at service end, use JSP technology (Java Server Page), be used to receive the HTTP request that client is sent, and result is returned the requesting party of client in the mode of XML byte stream.
PDM information interaction layer: be positioned at client, use the ActiveX technology of Microsoft, it is a control (as showing the PDM product tree) of showing service end information, be used for sending the request of client to service end, and receive the information that service end is returned, receive and handle CAD adapter information transmitted (utilizing the case mechanism of ActiveX technology) simultaneously.
The CAD adapter layer: adapter is the program code that operates in the CAD software inhouse, and the form of expression is or one group of file on the hard disk.Adapter is used for extracting the information (file and data) of each CAD, and gives PDM information interaction layer with the message transmission that gets access to.Be used to respond the request (utilizing the case mechanism of ActiveX technology) of PDM information interaction layer in addition, carry out the processing of CAD end.Since the realization technology difference of the development interface that each CAD software provides, the internal data organizational form difference of each CAD, so for each CAD software, all must the corresponding adapter of exploitation.
The present invention has realized that the information integration of many CAD systems is to the PDM system based on the J2EE framework.By the Frame Design of multiple stratification, can eliminate the close coupling between each module effectively, make the expansion of system convenient.For any CAD system, can be integrated in this way in the PDM system based on the J2EE framework with second development interface.
Wherein:
1.CAD interior adapter is a program that operates in each CAD system, the difference of the secondary development tool that provides according to each CAD has different realizations.Present realization is that each CAD has a dll file.Because the integrated purpose of every kind of CAD is variant, need obtain product tree as mechanical CAD, Electronic CAD need obtain the directoryof of element, and therefore the content of the data of extracting is variant, but in integrated system, all pass to the PDM system as unified data mode.The implementation method of adapter is to call the interface that each CAD provides, and needed data are extracted.
2.PDM the information interaction layer is by ActiveX control, com component and one group of dll file constitute.The effect of ActiveX control is the product tree that shows the AVIDM system, and event trigger mechanism and Processing Interface are provided.
The user operates by the interface that adapter provides, and the incident of adapter response control is extracted the processing procedures such as data in the CAD, and the data after the interface that calls control then will be handled are sent in the PDM information interaction layer.
The mode of the realization of PDM information interaction layer has two characteristics:
The one, ActiveX control by the multiple programming language support of ActiveX control technology and the feature of Event triggered, makes ActiveX control can be embedded in the adapter of each CAD, need not write corresponding independently processing module at each CAD.
Two have been to use http protocol, and the interface of the realization by calling windows system http protocol has realized that the PDM service end that the client of windows platform is moved transmits data in the Unix system.
3.CAD the information interaction layer is made up of one group of jsp file.Effect is request and the data that customer in response end PDM information interaction layer sends, and calls the interface that other modules of service end system provide, and handles accordingly.And result returned to client.The interface that the method that realizes is to use the HTTP service of the JSP technology of standard to provide, the request of obtaining client.
The structure of each layer is composed as follows:
1.CAD adapter layer: it is a program that operates in each CAD system, and its common form is the dll program file.Its internal structure is formed and is comprised:
(1) CAD user interface event respond module: provide to the processing of CAD user interface (as clicking the CAD menu item) after incident takes place.
(2) cad data extraction module: be used to extract the data in the CAD,, obtain the product tree of cad model as for mechanical CAD.
(3) the ActiveX control display module of PDM information interaction layer: be used for showing that at adapter ActiveX control and the incident of sending at ActiveX control are correspondingly processed.This module is a dialog interface, the ActiveX control of embedded PDM information interaction layer.When doing operation at the interface of control, the user (extracts the product tree menu item in the control) as clicking, control produces corresponding incident (as extracting the product tree incident), dialog box receives incident and does corresponding processing (as call the extraction data-interface of cad data extraction module, finish the extraction of data).
Because the CAD adapter layer is the outermost layer that is used for user interactions, therefore the interface of user interactions only is provided, other layers are not provided the external interface of routine call level.
2.PDM information interaction layer: by ActiveX control, com component and one group of dll file constitute.Its internal structure is formed and is comprised:
(1) ActiveX control module: be used to show product tree and lists of documents, the menu of user interactions is provided, trigger the user interactions incident, the Processing Interface of being called by adapter is provided.
The trigger event of the external echo that provides has: extract the product tree incident, and the document incident that checks in, document detects incident.These incidents are for the response of CAD adapter layer and do corresponding processing.
The interface that provides the CAD adapter layer to call has: initialization structure tree interface, product tree data transmission interface.
(2) the com component module of verified users account number: whether the user who is used for verification login PDM system is validated user.
The interface that provides the CAD adapter layer to call has: user's login interface, user log off interface.
(3) be used for carrying out the module of communication and Data transmission: be used for providing bottom and the support service end communication to ActiveX control and com component with service end.The interface that is provided is this layer internal module and calls, and these interfaces are used to visit the JSP page that CAD information interaction layer provides.These internal interfaces comprise: user's verification, obtain product structure trees node, father node, child node, the obtaining of lists of documents, obtaining of document properties, checking in of document, CAD type, mechanical CAD type configuration, Electronic CAD type configuration etc. are obtained in detecting of document.
3.CAD information interaction layer: form by one group of jsp file.Internal structure is formed and is comprised:
(1) user identity verification module: be used to respond user's check request that PDM information interaction layer sends, external interface is a JSP page.
(2) product tree processing module: be used to respond the product tree operation requests that PDM information interaction layer sends, external interface is one group of JSP page, comprises and obtains product structure trees node, father node, child node.
(3) document process module: be used to respond the document function request that PDM information interaction layer sends.External interface is one group of JSP page, comprises obtaining of lists of documents, the obtaining of document properties, the checking in of document, the detecting of document.
(4) system configuration module: be used to respond the PDM system configuration operation request that PDM information interaction layer sends.External interface is one group of JSP page, comprises obtaining the CAD type mechanical CAD type configuration, Electronic CAD type configuration.
The information integration method that is many CAD systems of in system of the present invention, realizing to the PDM system shown in Figure 2, it may further comprise the steps:
Step 1: call the interface of CAD by the adapter in the CAD, extract the various data and the design document that need;
Step 2: call the interface that PDM information interaction layer provides by adapter, design data and the design document parameter by interface is delivered to PDM information interaction layer;
Design data that step 3:PDM information interaction layer will obtain from adapter and design document are sent to the CAD information interaction layer of service end by http protocol;
Step 4: the CAD information interaction layer of service end receives request and the data that client PDM information interaction layer sends, call then that other administration modules of PDM system are correspondingly processed to the data of receiving in the service end, again result is returned the PDM information interaction layer of client;
Step 5: the result that the PDM information interaction layer of client obtains returning, again the result is returned adapter;
Step 6: adapter is correspondingly processed for the result who returns, and the result that will handle is presented on the interface.
Technology above-mentioned obtains actual application at AVIDM (the integrated manufacturing of space flight) enterprise version 3.3 versions.The AVIDM enterprise version is a PDM system based on the J2EE framework,, has successfully realized and AutoCAD Pro/E, UG, Protel, each CAD system of SolidWorks integrated by above-mentioned CAD integrated architecture.Integrated with Protel particularly, because the SDK of Protel bag is developed with Delphi, PDM information interaction layer control based on the ActiveX technology can very easyly be embedded under the running environment of Protel software, and do not need to realize again the interactive interface with the PDM service end.
Protel integrated is divided into as lower part (annotate: each dll in the following literal, the jsp file name is all present system used filename when realizing, does not represent that following file name do not do change):
Adapter: a program of Protel internal operation, file is called AvidmProtel.dll.The server type block that belongs to Protel.Its effect provides the user and logins AVIDM, shows the product structure tree control interface of AVIDM system, uploads the user interface of downloading document, and the functions such as design data of extracting the electronic component in the Protel document.
PDM information interaction layer: constitute by ActiveX control (assembly) and one group of dll file.The ActiveX control file is called AVIDMCADClientMain.ocx, and its effect is the product tree that shows the AVIDM system, and event trigger mechanism and Processing Interface are provided.The user operates by the interface that adapter provides, and the incident of adapter response control is extracted the processing procedures such as data in the Protel, and the data after the interface that calls control then will be handled are submitted in the AVIDM system.One group of dll file is by AvidmLogin.dll, HttpCommunicate.dll, and compositions such as CadHttpToWeb.dll, effect provides and the communication that conducts interviews of AVIDM service end.Interface and AVIDM service end that control will call these dll to be provided are carried out communication.
CAD information interaction layer: form by one group of jsp file, as UserLogon.jsp, ViewProductList.jsp, files such as ViewAtts.jsp.Effect is the request that customer in response end PDM information interaction layer sends, and handles accordingly.
Shown in Figure 3 is the flow process of user's login process.
Claims (6)
1. CAD system more than a kind comprises service end and client two parts to the information integrated system of PDM system, it is characterized in that:
Described service end part has increased CAD information interaction layer on the basis of original PDM system, described client part comprises PDM information interaction layer and CAD adapter layer, wherein:
Described CAD information interaction layer is positioned at service end, is used to receive the HTTP request that client is sent, and result is returned client;
Described PDM information interaction layer is positioned at client, is used for sending the request of client and receiving the information that CAD information interaction layer returns to CAD information interaction layer, receives and handle CAD adapter layer information transmitted simultaneously;
Described CAD adapter layer is positioned at client, comprise respectively a plurality of CAD adapters of corresponding Different CAD software, be used for extracting the information of each CAD, give PDM information interaction layer the message transmission of the CAD that gets access to, and the request of response PDM information interaction layer, carry out the processing of CAD end.
2. many CAD systems as claimed in claim 1 is characterized in that to the information integrated system of PDM system:
Described CAD information interaction layer uses the JSP technology to receive the HTTP request that client is sent, and result is returned the requesting party of client in the mode of XML byte stream;
Described PDM information interaction layer is a control of showing service end information, and it uses the case mechanism of the ActiveX technology of Microsoft to send the request of client, information, reception and the processing CAD adapter information transmitted that the reception service end is returned to service end;
Described CAD adapter is the program that operates in the CAD software inhouse.
3. many CAD systems as claimed in claim 2 is characterized in that to the information integrated system of PDM system:
Described PDM information interaction layer is by ActiveX control, and com component and one group of dll file constitute, and the effect of ActiveX control is the information of showing service end, and event trigger mechanism and Processing Interface are provided.
4. many CAD systems as claimed in claim 2 is characterized in that to the information integrated system of PDM system:
The service end information that described PDM information interaction layer is showed is the directoryof of PDM product tree or element.
5. CAD system is to the information integration method of PDM system more than one kind, and it may further comprise the steps:
Step 1: call the interface of CAD by the adapter in the CAD, extract the various data and the design document that need;
Step 2: call the interface that PDM information interaction layer provides by adapter, design data and the design document parameter by this interface is delivered to PDM information interaction layer;
Design data that step 3:PDM information interaction layer will obtain from adapter and design document are sent to the CAD information interaction layer of service end by http protocol;
Step 4: the CAD information interaction layer of service end receives request and the data that client PDM information interaction layer sends, call then that other administration modules of PDM system are correspondingly processed to the data of receiving in the service end, again result is returned the PDM information interaction layer of client;
Step 5: the result that the PDM information interaction layer of client obtains returning, again the result is returned adapter;
Step 6: adapter is correspondingly processed for the result who returns, and the result that will handle is presented on the interface.
6. many CAD systems as claimed in claim 5 is characterized in that to the information integration method of PDM system:
In described step 4, the interface that the CAD information interaction layer of service end uses the HTTP service of the JSP technology of standard to provide, the request of obtaining client.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102520971A (en) * | 2011-12-30 | 2012-06-27 | 北京数码大方科技有限公司 | Data interaction method and device based on computer-aided design (CAD) software |
| CN103678807A (en) * | 2013-12-12 | 2014-03-26 | 用友软件股份有限公司 | Three-dimensional visualization method based on built-in web browser |
| CN103810267A (en) * | 2014-01-28 | 2014-05-21 | 北京仿真中心 | Data interaction method among heterogeneous PDM systems |
| CN106462654A (en) * | 2014-06-06 | 2017-02-22 | 西门子产品生命周期管理软件公司 | Associating materials with bodies in a computer-aided design file |
| CN107203658A (en) * | 2017-04-26 | 2017-09-26 | 中国舰船研究设计中心 | A kind of marine system schematic diagram Fast design method based on CAD and PDM |
| CN107391795A (en) * | 2017-06-19 | 2017-11-24 | 中国空间技术研究院 | Across the CAD platform device collaboration layout method of Complex Spacecraft based on XML |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102520971A (en) * | 2011-12-30 | 2012-06-27 | 北京数码大方科技有限公司 | Data interaction method and device based on computer-aided design (CAD) software |
| CN102520971B (en) * | 2011-12-30 | 2014-12-10 | 北京数码大方科技股份有限公司 | Data interaction method and device based on computer-aided design (CAD) software |
| CN103678807A (en) * | 2013-12-12 | 2014-03-26 | 用友软件股份有限公司 | Three-dimensional visualization method based on built-in web browser |
| CN103810267A (en) * | 2014-01-28 | 2014-05-21 | 北京仿真中心 | Data interaction method among heterogeneous PDM systems |
| CN106462654A (en) * | 2014-06-06 | 2017-02-22 | 西门子产品生命周期管理软件公司 | Associating materials with bodies in a computer-aided design file |
| CN107203658A (en) * | 2017-04-26 | 2017-09-26 | 中国舰船研究设计中心 | A kind of marine system schematic diagram Fast design method based on CAD and PDM |
| CN107203658B (en) * | 2017-04-26 | 2020-11-03 | 中国舰船研究设计中心 | Ship system schematic diagram rapid design method based on CAD and PDM |
| CN107391795A (en) * | 2017-06-19 | 2017-11-24 | 中国空间技术研究院 | Across the CAD platform device collaboration layout method of Complex Spacecraft based on XML |
| CN107391795B (en) * | 2017-06-19 | 2020-07-14 | 中国空间技术研究院 | XM L-based collaborative layout method for cross-CAD platform equipment of complex spacecraft |
| CN111367586A (en) * | 2020-03-18 | 2020-07-03 | 北京艾克斯特科技有限公司 | PLM system client and working mechanism thereof |
| CN111367586B (en) * | 2020-03-18 | 2023-09-29 | 北京艾克斯特科技有限公司 | PLM system client and working method thereof |
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