共查询到18条相似文献,搜索用时 62 毫秒
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<正>全球领先的产品生命周期管理(PLM)软件和服务提供商UGS公司于近日在北京发布了Tecnomatix~(TM) Produc- tion Management(Tecnomatix生产管理)组合。该组合是由多个领先的车间制造应用程序组成的,是行业内第一个把生产管理与整个PLM流程集成在一起的软件解决方案。Tecnomatix Production Management弥补了产品设计与生产流 相似文献
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基于PLM系统中影响数据权限的4种因素,提出了基于权限规则的动态权限控制机制。为了使数据对象的生命周期模板在组织结构变化的情况下不改变结构,提出了数据权限在数据对象外部映射的思想。主要研究了解决复杂数据权限的问题,最后验证此权限模型的正确性和通用性。 相似文献
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PDM是一项大型、复杂的信息化建设项目,是体现管理者管理思想的管理软件,本身是个半成品,各企业必须根据自己的实际科研、生产流程进行定制、二次开发、配置,然后部署上线。目前已有许多企业引入并实施了PDM系统。简要介绍了PDM的概念、功能,着重介绍了企业实施PDM项目的方式、目标、取得的成效,总结了企业实施PDM的经验体会。 相似文献
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针对油泵油嘴企业生产过程中产品研发、生产管理、部门协作等复杂情况,提出了一种基于数字化平台的MDA个性驱动的多模型统一建模的PLM系统的设计与实现方案,该方案依托数字化平台和可重用企业知识库,通过对产品开发过程和产品信息的有效管理,缩短产品设计周期、提高设计质量及部门之间的协作效率,最终提高企业的整体水平与行业优势. 相似文献
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《Proceedings of the IEEE. Institute of Electrical and Electronics Engineers》1983,71(12):1442-1445
Major uses of OSI will be to support business data communications, e.g., the financial industries, commerce, and electronic messaging. Aspects of OSI usage are seen by examining the business application standards dealing with information movement, particularly protocols, formats, and protocol data elements. This paper analyzes selected business data standards for relevance to OSI. Common usages are seen in comparing the information to be conveyed and the operations indicated by the protocols serving diverse business interests. 相似文献
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《Proceedings of the IEEE. Institute of Electrical and Electronics Engineers》1975,63(8):1096-1103
An overview of the demand for various types of memory used with computer systems is presented. The types of memory and the major memory applications are discussed and analyzed for trends which will affect the amount and type of memory required for future computer systems. General business and scientific computers are by far the largest users of memory. This trend will continue with the advent of centralization of files, teleprocessing, and the use of virtual memory techniques to reduce the cost of memory and provide for machine-controlled memory management. The amount of on-line or direct-access memory available to users will continue to increase permitting extremely large files, program libraries, and information libraries which will be accessed by remote terminals and CPU's. Additional large demands for memory are developing in minicomputer-and microcomputer-based systems for industrial, business, and scientific uses as well as in intelligent terminal and data entry devices. These smaller processors, while contributing to the trend toward distributed processing, will also serve as the controllers for distributed file storage. The recent developments in the field of "mini" storage devices will be extended to provide even lower cost storage for use with small systems. 相似文献
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将城域波分技术与其它城域传送技术的特点和适用环境进行对比.由于适用性是检验技术的最重要标准,因此文章用了较大篇幅对城域波分的适用场合进行了较充分的比较分析,尤其进行了详尽的经济性分析. 相似文献