排序方式: 共有24条查询结果,搜索用时 15 毫秒
1.
2.
基于PLIB标准的零件库信息模型及其表达 总被引:9,自引:0,他引:9
建立零件库的目的是通过有效的零部件供应渠道和整个供应链的信息集成,实现企业间和企业内部零件资源共享。文中基于PLIB(ISO13584)标准,面向零件族,用形式化的方法和统一的数据格式表达零件库信息,对立零件库信息模型。首先分析对零件库信息表达的需求,然后介绍PLIB标准,最后描述基于PLIB标准的零件库信息模型;并且结合法兰盘零件族,介绍了基于ISO10303-21的零件族信息物理文件表达。 相似文献
3.
4.
面向快速响应设计的零件资源可重用建模与匹配 总被引:1,自引:0,他引:1
针对产品快速响应设计中零件资源的可重用需求,建立了扩展PLIB(ISO 13584)标准的通用零件模型.该模型通过基于PLIB标准元模型的描述层,实现了零件资源一致性的语义描述;通过引入操作层,实现了零件资源在具体应用环境中的功能扩展,并给出了零件资源面向对象的零件族分类组织结构.针对面向对象资源检索中需求域不明确的问题,通过相似性匹配度并结合零件族分类位置权重,给出了覆盖需求域的零件族逐步定位算法,优化了零件资源检索的过程.该方法在一个面向快速响应设计的Web零件资源共享平台上得到了有效的应用. 相似文献
5.
6.
7.
8.
Omar López-Ortega Moramay Ramírez-Hernández 《Journal of Intelligent Manufacturing》2007,18(3):371-381
The paper describes a formal framework to integrate EXPRESS models and facilitate sharing and exchanging of data in an Extended
Enterprise context. We perceive in the creation of an Extended Enterprise an opportunity to use standardized data models.
Hence our research is based on three important ISO standards whose primary objective is to enhance data exchange. These standards
are ISO 10303, ISO 15531 and ISO 13584, known as STEP, MANDATE and PLIB, respectively. Although they are intended to overcome
incompatibility problems for the computer-based applications that are used during the product life-cycle, they turned out
to be semantically incompatible among themselves. This seems to be a major drawback when individual organizations want to
share core competences, such as resources, manufacturing processes, or product design, to create an Extended Enterprise. The
constructs we propose harmonize incompatible model components so that core competences can be transparent to the net of enterprises.
The proposal is exemplified by creating a mediator application and a repository. The mediator application is used by individual
firms to gain access to the core abilities that are shared, whereas the repository is a neutral means to store such competences.
It complies with part 21 of the ISO 10303 standard. The proposed formal framework provides a sound model of the information
system and facilitates data sharing in the Extended Enterprise. 相似文献
9.
基于PLIB的开放式零件库系统的开发与研究 总被引:2,自引:0,他引:2
通过对ISO 13584(零件库)标准及其发展应用趋势的研究,自定义所需的标准接口函数集,扩充并完善PUB31标准;另一方面采用STEP应用协议来实现零件库信息的表达与交换,增加了一种新的零件库的实现方式;提出了一种基于网络的开放式零件库系统的总体开发模式,并讨论了此库的构造、零件信息编码、几何编程接口、标准数据访问接口SDAI的函数联编和零件库的几种信息交换的实现方法,在此基础上为零件库提供了库开发工具。 相似文献
10.