CN103020021A - Heterogeneous PDM (product data management) system data conversion method and conversion adapter - Google Patents
Heterogeneous PDM (product data management) system data conversion method and conversion adapter Download PDFInfo
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- CN103020021A CN103020021A CN2012104796961A CN201210479696A CN103020021A CN 103020021 A CN103020021 A CN 103020021A CN 2012104796961 A CN2012104796961 A CN 2012104796961A CN 201210479696 A CN201210479696 A CN 201210479696A CN 103020021 A CN103020021 A CN 103020021A
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Abstract
The invention discloses a heterogeneous PDM (product data management) system data conversion method. The heterogeneous PDM system data conversion method comprises the steps as follows: reading product structure information in a front-end PDM system database; converting relative position coordinates of parts in a product structure into the absolute position coordinates of the parts in a product global coordinate system, and recurring the process to each assembly node; providing a recording space for each assembly node defined by the absolute position coordinates, and regarding the recording space as an 'assembly container'; generating a part document in the product structure, and converting an assembly relationship into an assembly part document by taking the assembly container as a unit; and leading the part document and the assembly part document into a rear-end PDM system. The invention further discloses a conversion adapter for realizing the method. The real-time and online heterogeneous PDM system data conversion is finished, no user intervention is required, and product data is not transmitted in an offline way, so that no potential safety hazard exists and the converted data is complete and correct.
Description
Technical field
The present invention relates to a kind of heterogeneous PDM system data transfer device, the invention still further relates to a kind of conversion adapter of realizing this conversion method.
Background technology
In the modern digital manufacturing, between enterprise or the PDM(Product Data Management that different departments often adopt different vendor to develop in the enterprise) system, adopt online collaborative VPM(Virtual Product Modeling ﹠amp such as product design department; Management is by the French Dassault System of Dassault Sys of America exploitation) such front end PDM system of system carries out product design, and formed is the relationship type attribute information, such as assembly relation information; Product manufacturing sector then usually adopt Windchill system (by the Parameter Technology Company of U.S. parameter technology company exploitation) such come the rear end PDM system of management product data based on the document-type entity information, when product design department provides data to product manufacturing sector, therefore the PDM system of these isomeries can not directly carry out data-switching because the aspects such as Db Management Model and structure organization mode are all not quite identical.In the prior art, PTC S. A. is for the data-switching demand of VPM system and Windchill system, developed a WGM (Work Group Manager) software, its conversion method is to utilize CAD(Computer Aided Design) software is institute's canned data localization in the front end PDM system, thereby form corresponding assembly parts document, import again rear end PDM system and manage.The method is owing to being that the product data of will store in the front end PDM system export to first local computer in fact, then call the CAD Bootload product data of installing in the local computer and utilize CAD software to restore corresponding part document and assembly parts document, therefore need the user to intervene, it is a kind of data transfer method of off-line type, although this mode can solve heterogeneous PDM system data-switching problem, but because data conversion process need to experience the operation of localization, the transmission of product data exists potential safety hazard and risk of errors.
Summary of the invention
Need the problem that the user intervenes, the transmission of product data exists potential safety hazard and risk of errors for the off-line type data transfer device that solves prior art exists, the present invention proposes a kind of heterogeneous PDM system data transfer device.Heterogeneous PDM system data transfer device of the present invention may further comprise the steps:
Read the product structure information in the front end PDM system database;
The relative position coordinates of parts at different levels in the said goods structure is converted to the absolute location coordinates of the parts at different levels under the product global coordinate system, and with this process recurrence to every one-level assembly node;
A record space is provided for every one-level assembly node of above-mentioned absolute location coordinates definition, and is considered as one " assembling container ";
Generate the parts document in the product structure, and assembly relation converted to the assembly parts document take assembling container as the unit;
Part document and assembly parts document are imported rear end PDM system.
The present invention also provides the conversion adapter of heterogeneous PDM system data transfer device, it is characterized in that comprising:
Reading unit is for the product structure information that reads front end PDM system database;
Coordinate transformation unit is used for reading the said goods structural information and the relative position coordinates of product structure parts at different levels is converted to the absolute location coordinates of the parts at different levels under the product global coordinate system, and with this process recurrence to every one-level assembly node;
Record generation unit is used for providing a storage space to every one-level assembly node of above-mentioned absolute location coordinates definition, and is considered as one " assembling container ";
The document generation unit be used for to generate the parts document of product structure, and assembly relation is converted to the assembly parts document take assembling container as the unit.
Heterogeneous PDM system data transfer device of the present invention is owing to having adopted the mode of setting up the assembly parts document take assembling container as the unit, the product structure of complexity is divided into unit at different levels to be realized respectively, finished the heterogeneous PDM system data-switching of real-time online, so do not need the user to intervene during translation data, the transmission of product data is not off-line, therefore there is not potential safety hazard, the data integrity of conversion, correct.
Description of drawings
Below in conjunction with accompanying drawing specific embodiments of the invention are described in further detail.
Fig. 1 is the process flow diagram of an embodiment of the present invention heterogeneous PDM system data transfer device.
Fig. 2 is the process flow diagram of coordinate conversion step among Fig. 1.
Fig. 3 is the schematic configuration diagram that is used for the conversion adapter of heterogeneous PDM system data transfer device according to an embodiment of the present invention.
Embodiment
Fig. 1 shows the process flow diagram of an embodiment of the present invention heterogeneous PDM system data transfer device.This flow process starts from step 101, reads the product structure information in the front end PDM system database; Here after in front end PDM system, being written into a certain product structure, in front end PDM system, travel through whole product tree according to top-down mode, read numbering, version and other attribute information of parts at different levels, and this information is stored in the database.
In step 102, the relative position coordinates of parts at different levels in the said goods structure is converted to the absolute location coordinates of the parts at different levels under the product global coordinate system, and with this process recurrence to every one-level assembly node; Here from database, read assembly node and the sub level parts absolute location coordinates matrix under the product global coordinate system, calculate relative position coordinates matrix between sub level parts and parent assembly node by matrix conversion.Above-mentioned coordinate conversion recurrence to every one-level assembly structure, is finished the parts position coordinates conversions at different levels to whole product structure.
In step 103, a storage space is provided for every one-level assembly node of above-mentioned absolute location coordinates definition, and is considered as one " assembling container "; Here every one-level assembly node is kept in the assembling container with the binary file form, record sub level parts in this assembly structure and the relative position coordinates matrix between the parent assembly node, and with UUID(Universal Unique Identity, general unique identification) as distinguishing the corresponding assembling container unique identification of each assembly node.
In step 104, generate the parts document in the product structure, and assembly relation converted to the assembly parts document take assembling container as the unit; Here because there is the parts document in front end PDM system, therefore can directly be delivered in the PDM system of rear end by the conversion adapter among the present invention, and in the process that generates the assembly parts document, whether the file of at first searching with this assembly parts numbering name has existed corresponding assembling container, if there is no, then create initial value and be empty assembling container, simultaneously as this assembly parts file template, it is copied to for the odd-job catalogue that generates the assembly parts file.Then read the location matrix of this assembly parts example in the product global coordinate system, read simultaneously the sub level components information and many versions example case is processed, only keep the example of its latest edition.Above-mentioned information read namely begin to carry out circular treatment after finishing, all sub level parts files are downloaded to the odd-job catalogue from front end PDM system, and be articulated under the root node of assembly parts file template, calculate simultaneously the relative position matrix of parts according to coordinates transformation method.At this moment, if there is assembly relation in the sub level parts, then need these sub level assembly parts of Recursion process, process approach is consistent with its parent assembly parts; If the sub level parts are part, then can directly it be articulated under the root node of assembly parts file.When all sub level parts all articulate complete after, the assembly parts document namely generates complete.
In step 105, in rear end PDM system, recall set up with front end PDM system in consistent product structure; Then process ends.
Fig. 2 is the process flow diagram of coordinate conversion step among Fig. 1, take the P point as example, represents the parts under a certain assembly relation.Step 102 in Fig. 1 can also comprise step 201 to 205.
In step 201, calculate P point at coordinate system 1(A1, B1, C1) and coordinate system 2(A2, B2, C2) in coordinate conversion matrix;
In step 202, calculate P point at coordinate system 3(A3, B3, C3) and coordinate system 2(A2, B2, C2) in coordinate conversion matrix;
In step 203, according to matrix multiplication cross principle, calculate the transition matrix M23 between coordinate system 2 and the coordinate system 3;
In step 204, according to inverse matrix multiplication cross principle, calculate the transition matrix M12 between coordinate system 1 and the coordinate system 2;
In step 205, cycle calculations step 201 is to step 204, and recurrence is finished the parts position coordinates conversions at different levels to whole product structure to every one-level assembly structure.
Fig. 3 is the schematic configuration diagram that is used for the conversion adapter of heterogeneous PDM system data transfer device according to an embodiment of the present invention.001 expression reading unit, 002 denotation coordination converting unit, 003 expression record generation unit, 004 expression document generation unit.
Reading unit 001 is used for reading the product structure information of front end PDM system database.
Coordinate transformation unit 002 is used for the relative position coordinates of 001 parts at different levels is converted to the absolute location coordinates of the parts at different levels under the product global coordinate system, and with this process recurrence to every one-level assembly node.
Record generation unit 003 is used for providing a record space to every one-level assembly node of above-mentioned absolute location coordinates definition, and is considered as one " assembling container ".
Document generation unit 004 is used for generating the parts document of product structure, and assembling container converts assembly relation to as the unit assembly parts document in 002.
The heterogeneous PDM system data transfer device of an embodiment of the present invention and the conversion adapter that is used for this conversion method adopt the C Plus Plus exploitation based on the .NET framework.Each component function of system is being well-known in the art, and architectural framework also is conventional.The computer-readable instruction control that whole system is provided by the software that is stored in the hard disk, software can be loaded among the RAM, and is carried out by CPU, in order to finish the function of being determined by software.
It should be noted that at last, above embodiment only is used for technical scheme of the present invention is described and unrestricted, although embodiment has been described in detail the present invention, those skilled in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and can not break away from the spirit and scope of technical solution of the present invention.
Claims (3)
1. the heterogeneous PDM system data transfer device is characterized in that: may further comprise the steps: read the product structure information in the front end PDM system database;
The relative position coordinates of parts at different levels in the said goods structure is converted to the absolute location coordinates of the parts at different levels under the product global coordinate system, and with this process recurrence to every one-level assembly node;
A record space is provided for every one-level assembly node of above-mentioned absolute location coordinates definition, and is considered as one " assembling container ";
Generate the parts document in the product structure, and assembly relation converted to the assembly parts document take assembling container as the unit; And
Part document and assembly parts document are imported rear end PDM system.
2. heterogeneous PDM system data transfer device according to claim 1, it is characterized in that: described step 102 is further comprising the steps of:
Step 201 is calculated P point at coordinate system 1(A1, B1, C1) and coordinate system 2(A2, B2, C2) in coordinate conversion matrix;
Step 202 is calculated P point at coordinate system 3(A3, B3, C3) and coordinate system 2(A2, B2, C2) in coordinate conversion matrix;
Step 203 according to matrix multiplication cross principle, calculates the transition matrix M23 between coordinate system 2 and the coordinate system 3;
Step 204 according to inverse matrix multiplication cross principle, calculates the transition matrix M12 between coordinate system 1 and the coordinate system 2;
Step 205, cycle calculations step 201 are to step 204, and recurrence is finished the parts position coordinates conversions at different levels to whole product structure to every one-level assembly structure.
3. the conversion adapter of heterogeneous PDM system data-switching is characterized in that: comprise reading unit, be used for reading the product structure information of front end PDM system database;
Coordinate transformation unit is used for reading the said goods structural information and the relative position coordinates of product structure parts at different levels is converted to the absolute location coordinates of the parts at different levels under the product global coordinate system, and with this process recurrence to every one-level assembly node;
Record generation unit is used for providing a storage space to every one-level assembly node of above-mentioned absolute location coordinates definition, and is considered as one " assembling container "; And
The document generation unit be used for to generate the parts document of product structure, and assembly relation is converted to the assembly parts document take assembling container as the unit.
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| CN103853825A (en) * | 2014-03-04 | 2014-06-11 | 北京神舟航天软件技术有限公司 | Extensible method configuration based on CAD (Computer Aided Design) document relationship |
| CN106897468A (en) * | 2015-12-17 | 2017-06-27 | 成都飞机工业（集团）有限责任公司 | The examination and test of products detects structured modeling method and modeling |
| CN107064951A (en) * | 2017-04-01 | 2017-08-18 | 中南大学 | A kind of potroom location information management and ranging data processing method |
| CN108256820A (en) * | 2017-12-13 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of PBOM methods of adjustment under three-dimensional assembled view based on MBD |
| CN111222793A (en) * | 2020-01-08 | 2020-06-02 | 北京仿真中心 | Data interaction method and system |
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| US20030177146A1 (en) * | 2002-03-18 | 2003-09-18 | International Business Machines Corporation | Method, system, and program product for migrating data from one data base management system to another data base management system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103853825A (en) * | 2014-03-04 | 2014-06-11 | 北京神舟航天软件技术有限公司 | Extensible method configuration based on CAD (Computer Aided Design) document relationship |
| CN103853825B (en) * | 2014-03-04 | 2017-07-11 | 北京神舟航天软件技术有限公司 | Expansible collocation method based on CAD document relationships |
| CN106897468A (en) * | 2015-12-17 | 2017-06-27 | 成都飞机工业（集团）有限责任公司 | The examination and test of products detects structured modeling method and modeling |
| CN107064951A (en) * | 2017-04-01 | 2017-08-18 | 中南大学 | A kind of potroom location information management and ranging data processing method |
| CN108256820A (en) * | 2017-12-13 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of PBOM methods of adjustment under three-dimensional assembled view based on MBD |
| CN111222793A (en) * | 2020-01-08 | 2020-06-02 | 北京仿真中心 | Data interaction method and system |
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Application publication date: 20130403 |