CN111539102A - MBD expression method for simplifying satellite structure - Google Patents
MBD expression method for simplifying satellite structure Download PDFInfo
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- CN111539102A CN111539102A CN202010307521.7A CN202010307521A CN111539102A CN 111539102 A CN111539102 A CN 111539102A CN 202010307521 A CN202010307521 A CN 202010307521A CN 111539102 A CN111539102 A CN 111539102A
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Abstract
The invention relates to a simplified MBD expression method of a satellite structure in the technical field of aerospace craft structure products, which comprises a mode of directly marking design information on a three-dimensional model and a mode of directly extracting the design information from the three-dimensional model; the mode of directly marking the design information on the three-dimensional model means that a mode of simplifying the three-dimensional marking model is adopted, and the view and the marking information in the traditional two-dimensional graph are reflected in the three-dimensional model in a combined view mode; the mode of directly extracting the design information from the three-dimensional model refers to the mode of viewing and extracting the design information by adopting an intelligent browser. The invention realizes the manufacturing, assembly process design and production of the satellite structure directly driven by the three-dimensional model, accelerates the speed of change and iterative optimization in the design process, improves the design and manufacturing efficiency and shortens the development period.
Description
Technical Field
The invention relates to the technical field of aerospace craft structure products, in particular to a simplified MBD expression method of a satellite structure.
Background
At present, the satellite development faces the situation of multi-model parallel operation, high-density emission, high quality reliability requirement and short development period requirement. Meanwhile, more and more tasks and demands with high requirements, short period, low cost and diversified functions appear, so that the development of satellite products generally has the characteristic of 'two-fold three-high', namely, the national major engineering responsibility is heavy, and the tasks are heavy in multi-model parallel lifting; the requirements on model development and service operation quality reliability are high, the development, launching and flying task density is high, and the change dynamics of research personnel is high. Therefore, the implementation of product upgrading in the aerospace manufacturing industry is urgently needed.
The development of spacecraft products is centered on design and has the characteristics of multiple batches, small batches, multiple varieties and the like. The existing development modes are often operated independently in design, process, manufacture, inspection and other links, are weak in mutual linkage, slow in response and difficult in closed loop, and directly cause the phenomena of difficult product quality control, low development process efficiency and the like.
Compared with the existing patent of satellite cable three-dimensional labeling method (application publication number CN 104268319A), the patent emphasizes the integrated three-dimensional information expression of the satellite structure and increases the links of manufacturing and assembling processes; the document MBD-based aerospace design and manufacture integrated research and application (journal 'air defense', article number: 2096-.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a satellite structure simplified MBD expression method. By utilizing the invention, the MBD expression method of the three-dimensional label is simplified through the structural product, and links such as design, process, manufacture, inspection and the like are opened, so that the three-dimensional release of the structural product is realized.
According to the method for expressing the simplified MBD of the satellite structure, provided by the invention, a design information mode is directly marked on a three-dimensional model or a design information mode is directly extracted from the three-dimensional model;
the mode of directly marking the design information on the three-dimensional model means that a mode of simplifying the three-dimensional marking model is adopted, and the view and the marking information in the traditional two-dimensional graph are reflected in the three-dimensional model in a combined view mode;
the mode of directly extracting the design information from the three-dimensional model refers to the mode of viewing and extracting the design information by adopting an intelligent browser.
In some embodiments, in the method of directly labeling the design information on the three-dimensional model, the specification information is rapidly and automatically labeled in three dimensions by a special tool.
In some embodiments, in the mode of directly extracting the design information from the three-dimensional model, a regular size report is adopted and report information is embedded into the satellite structure model and linked with the model in a two-way mode.
In some embodiments, the reporting information for the rules may be exported in the form of an EXCEL report.
In some embodiments, in the manner of directly extracting the design information from the three-dimensional model, the design information is viewed in a manner of combining a Web browser with hardware and software of the handheld device.
In some embodiments, in the mode of directly extracting the design information from the three-dimensional model, the design information in the three-dimensional model of the satellite structure is extracted, and the design information is filtered and refined for process and manufacture, so that intelligent reference of the information is realized.
In some embodiments, the satellite structure design information is viewed with a model browser, including name, code, quantity, material, and model name information.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention changes the transmission of related information such as design and the like from a 2D drawing mode to an information mode based on a 3D model, and the transmission of the information is changed from traditional analog quantity to pure digitization.
2. The invention extracts the design information in the satellite structure three-dimensional model, filters and refines the design information facing the process and the manufacture, realizes intelligent reference of the information, improves the accuracy of information expression, and realizes high efficiency, no error and reuse in the information transmission and management process in the whole design and manufacture process, thereby realizing the associated design in a full three-dimensional design mode, realizing the maximum sharing of various design resources and knowledge, and greatly ensuring the design quality and the consistency of product design.
3. The invention uses regular size report forms to replace a large amount of size labels and other simplified MBD expression methods, not only meets the requirements of designing and manufacturing two ends on visual visualization of the three-dimensional model, but also further clearly defines the information extraction content of the three-dimensional model in the links of designing, processing, manufacturing, detecting and the like, realizes that the product is manufactured by taking the three-dimensional model as the basis, and strengthens the relevance of the three-dimensional model from the designing end to the manufacturing end in the product development process.
4. According to the invention, through automatic marking of the standard information and combination of a Pro/E three-dimensional marking secondary development tool, the method can quickly, effectively and accurately realize meeting the aerospace standard and fitting the actual requirements of the satellite design process.
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Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of three-dimensional labeling in the simplified MBD expression method of the satellite structure according to the present invention.
FIG. 2 is a schematic diagram of directly extracting design information from a three-dimensional model in the simplified MBD expression method of the satellite structure.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 and fig. 2, the present invention provides a method for expressing a satellite structure simplified MBD, wherein the method for expressing a satellite structure simplified MBD is divided into two modes, including:
design information labeling is directly carried out on the three-dimensional model, the design information labeling is that a mode of simplifying the three-dimensional labeling model is adopted, views and labeling information in a traditional two-dimensional graph are reflected in the three-dimensional model in a combined view mode, in the mode of directly labeling the design information on the three-dimensional model, standard information is rapidly and automatically three-dimensionally labeled through a special tool, the special tool is secondary development self-research software based on Pro/E software, and the size is automatically labeled according to modeling parameters of the three-dimensional model.
Design information extraction is directly carried out on the three-dimensional model, and the design information extraction refers to viewing and extraction by using an intelligent browser; and the process and the manufacturing party realize intelligent browsing of information according to the design information. Aiming at the viewing requirements of the process and the manufacturing stage on the design information, the design information in the three-dimensional model is accurately and conveniently expressed in a mode of combining various software and hardware such as a Web browser and handheld equipment, wherein the handheld equipment can be ipad and other handheld equipment. The process and the manufacturing side realize information citation according to the design information, which is specifically characterized in that the design annotation specification formulated by a designer is embedded into software, and the auxiliary software provides intelligent information annotation and filtration, so that the intelligent citation of the information is finally realized.
As shown in figure 2, the imported star sensor interface in the model is checked by a single-machine interface browser in a form of a pore table, information comprises pore coordinates, pore diameter, precision and the like, the method replaces a large number of size labels, and pore table information is embedded into the satellite structure model and is linked with the model in a two-way mode to derive an Excel report.
The model browser can be used for checking satellite structural design information including information such as component names, code numbers, quantity, materials, model names and the like, and can be used for deriving an Excel information table.
According to interface design information in the model, standard information is sorted and filtered to realize intelligent automatic labeling, a satellite structure design usually contains a large amount of standard information, the information is complex and has a certain rule, ideas such as modular design and integrated design are applied, and a special tool is used for carrying out rapid and automatic three-dimensional labeling on the standard information.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A method for expressing a simplified MBD (molecular beam decomposition) satellite structure is characterized by comprising a mode of directly marking design information on a three-dimensional model and a mode of directly extracting the design information from the three-dimensional model;
the mode of directly marking the design information on the three-dimensional model means that a mode of simplifying the three-dimensional marking model is adopted, and the view and the marking information in the traditional two-dimensional graph are reflected in the three-dimensional model in a combined view mode;
the mode of directly extracting the design information from the three-dimensional model refers to the mode of viewing and extracting the design information by adopting an intelligent browser.
2. The method for representing a satellite structure-simplified MBD according to claim 1, wherein in the method for directly labeling design information on the three-dimensional model, the specification information is rapidly and automatically labeled in three dimensions by a special tool.
3. The method for expressing the satellite architecture-simplified MBD according to claim 2, wherein the special tool is secondary development self-research software based on Pro/E software, and the dimension is automatically marked according to the modeling parameters of the three-dimensional model.
4. The method for representing a satellite structure-simplified MBD according to claim 1, wherein a regular dimensional report is adopted in a manner of directly extracting design information from the three-dimensional model, and report information is embedded into the satellite structure model and linked with the model in a bidirectional manner.
5. The method for representing a satellite structure-reduced MBD according to claim 4, wherein the reporting information of the rules is exported in the form of EXCEL report.
6. The method for representing the satellite architecture-simplified MBD according to claim 1, wherein the design information is viewed by combining a Web browser with hardware and software of a handheld device in a manner of directly extracting the design information from the three-dimensional model.
7. The method for representing a satellite structure simplified MBD according to claim 1, wherein in the mode of directly extracting design information from the three-dimensional model, the design information in the three-dimensional model of the satellite structure is extracted, and the design information is filtered and refined in a process and manufacturing oriented manner.
8. The method for representation of satellite structure simplification MBD as claimed in claim 1, characterized in that the satellite structure design information, including name, code number, quantity, material and model name information, is viewed with a model browser.
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| CN107330178A (en) * | 2017-06-26 | 2017-11-07 | 北京卫星环境工程研究所 | Based on Pro/E spacecraft technique digital prototype automatic build systems |
| CN110617794A (en) * | 2019-08-16 | 2019-12-27 | 上海卫星装备研究所 | Spacecraft assembly precision measurement data online acquisition system and method |
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| CN106777565A (en) * | 2016-11-29 | 2017-05-31 | 上海卫星工程研究所 | A Fast 3D Marking Method for Satellite Truss |
| CN106815401A (en) * | 2016-12-13 | 2017-06-09 | 上海卫星工程研究所 | A 3D Marking Method for Satellite Structure Assembly Model |
| CN107330178A (en) * | 2017-06-26 | 2017-11-07 | 北京卫星环境工程研究所 | Based on Pro/E spacecraft technique digital prototype automatic build systems |
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