企业业务流程重建在企业资源规划中的应用

ＥＲＰ作为一种先进的现代企业管理模式，在管理和配置企业现有的资源方面适应了企业发展的需要。本文从分析ＥＲＰ系统的不足和企业实施ＥＲＰ过程中存在的问题入手，提出了成功实施ＥＲＰ的条件，着重从企业资源和供应链的角度，结合ＢＰＲ的思想，分析ＢＰＲ在成功实施ＥＲＰ中的作用，最后提出了成功实施ＢＰＲ和ＥＲＰ的一般步骤。为企业实施ＢＰＲ、ＥＲＰ提供参考。     

中小型企业工程图档管理系统的应用

介绍了用ＭｉｃｒｏｓｏｆｔＶｉｓｕａｌＢａｓｉｃ作为开发工具实现中小型阀门企业工程图档管理的方法 。     

PROFIBUS GSD编辑器──创建GSD文件的简单方式

ＰＲＯＦＩＢＵＳ ＧＳＤ编辑器是一种３２位的 ＭＳＷｉｎｄｏｗｓ应用软件。它为设置、编辑和检验用于ＰＲＯＦＩＢＵＳ－ＤＰ设备的 ＧＳＤ（设备数据库）文件提供了一种便于使用的接口。它包括数个基本的模板和范例。 ＰＲＯＦＩＢＵＳ ＧＳＤ编辑器基于为ＰＲＯＦＩＢＵＳ－ＤＰ／ＧＳＤ版本２服务的ＧＳＤ规范，由 ＰＲＯＦＩＢＵＳ Ｎｕｔｚｅｒｏｒｇａｎｉｓａｔｉｏｎ ｅ.Ｖ.（德国）免费提供。 安装ＰＲＯＦＪＢＵＳ ＧＳＤ编辑器，在成功的下载后须执行ｇｓｄｅｄｉｔ．ｅｘｅ文件，并执行安装向导。在使用该程序之前，你必须同…     

UBM STUDY ON DOUBLE-DIE IRONING PROCESS

ＵＢＭＳＴＵＤＹＯＮＤＯＵＢＬＥ－ＤＩＥＩＲＯＮＩＮＧＰＲＯＣＥＳＳＵＢＭＳＴＵＤＹＯＮＤＯＵＢＬＥ－ＤＩＥＩＲＯＮＩＮＧＰＲＯＣＥＳＳＷａｎｇＬｉａｎｓｈｅｎｇ；ＤｏｎｇＬｉａｎｇ；ＤｏｎｇＳｈｉｓｈｅｎｇＴａｉｙｕａｎＨｅａｖｙＭａｃｈｉｎｅｒｙ...     

企业过程再设计的概念及其实现途径

企业在实施ＣＩＭＳ的过程中，必然要对企业过程进行再设计。如何进行企业过程的再设计，是实现ＣＩＭＳ全面集成的重要研究内容，也是企业过程重构的核心研究内容。本文从ＣＩＭＳ全面集成的需求出发，基于ＢＰＲ思想，提出了企业过程的形式化表达形式，在此基础上，分析了企业过程再设计的概念和内容，提出了企业过程简化和集成的概念框架和途径，为研究ＣＩＭＳ企业过程再设计的方法提供了理论基础。     

基于规则的企业过程简化和集成的方法

企业过程重组（ＢＰＲ）是ＣＩＭＳ和信息系统领域的研究课题。企业过程的简化和集成是企业过程重组的主要内容。本文从管理思想的转变、基于超图的过程信息流的分析和基于信息技术的过程结构的优化三个方面提出了过程简化和集成的六条规则，从而为企业过程的重组提供指导和方法。论文的最后是案例研究。     

基于BPR理论的CIMS企业组织重构研究

开发ＣＩＭＳ系统是信息时代给企业带来的新课题，这一开发过程决非是高新技术的一般性应用，它涉及到企业的组织形式、规范、制度等诸多方面的问题。本文借鉴重构（ＢＰＲ）理论，研究了基于流程分析的管理组织重构模型，并论述了建立可持续发展的组织自适应功能的必要性。     

PROFInet——连接各个领域

引言自从ＰＲＯＦＩＢＵＳ问世以来 ,开放的ＰＲＯＦＩＢＵＳ技术一直处于不断的开发过程中 ,其目标是提供其应用领域的逻辑扩展。从自动化结构的角度看 ,很长一段时间内这个开发过程只是关于通信机制和应用行规的横向扩展。然而 ,近年来集成工业自动化与企业／全球联网企业中办公领域较高层的ＩＴ技术在ＰＲＯＦＩＢＵＳ技术的纵向扩展中 ,同时又完全保留ＰＲＯＦＩＢＵＳ现有的开放性 ,这已成为决定性趋势。按照客户的要求 ,ＰＲＯＦＩｎｅｔ提供了一种开放的、一致的ＰＲＯＦＩＢＵＳ纵向集成方案。Ｅｔｈｅｒｎｅｔ的使用确保了该方案的…     

企业网Intranet的建立和管理

本文介绍了如何组建和管理企业网Ｉｎｔｒａｎｅｔ，对一个中等规模的企业，学校，推荐ＷｉｎｄｏｗｓＮＴ作为企业网的软件平台。以ＷｉｎｄｏｗｓＮＴ为核心，讨论了Ｉｎｔｒａｎｅｔ中各种服务实现的方法。     

基于现场总线PROFIBUS技术的BNBM水性涂料生产线自控系统

本文详细介绍了ＢＮＢＭ水性涂料生产线自控系统的结构组成、关键技术、软件及工作原理。这是一个典型的基于现场总线ＰＲＯＦＩＢＵＳ技术的３级网络结构的控制系统。设备控制层、车间监控层、工厂管理网分别采用ＰＲＯＦＩＢＵＳ－ＤＰ、ＰＲＯＦＩＢＵＳ－ＦＭＳ和ＴＣＰ／ＩＰ技术。监控工作站采用ＷＩＮＣＣ的服务器／客户机模式,工厂各管理部门在办公室可方便浏览到系统运行状态。本系统可为ＰＲＯＦＩＢＵＳ技术在生产过程控     

Minimal Realization of Linear Graph Models for Multi-physics Systems

An engineering system may consist of several different types of components,belonging to such physical"domains"as mechanical,electrical,fluid,and thermal.It is t...     

INTEGRAL EQUATION METHOD＇S APPLICATION IN HOLE-EDGE STRESS OF COMPOSITE MATERIAL PLATE WITH DIFFERENT SHAPED HOLES

The strength of composite plate with different hole-shapes is always one of the most important but complicated issues in the application of the composite material. The holes will lead to mutations and discontinuity to the structure. So the hole-edge stress concentration is always a serious phenomenon. And the phenomenon makes the structure strength decrease very quickly to form dangerous weak points. Most partial damage begins from these weak points. According to the complex variable functions theory, the accurate boundary condition of composite plate with different hole-shapes is founded by conformal mapping method to settle the boundary condition problem of complex hole-shapes. Composite plate with commonly hole-shapes in engineering is studied by several complex variable stress fimction. The boundary integral equations are founded based on exact boundary conditions. Then the exact hole-edge stress analytic solution of composite plate with rectangle holes and wing manholes is resolved. Both of offset axis loadings and its influences on the stress concentration coefficient of the hole-edge are discussed. And comparisons of different loads along various offset axis on the hole-edge stress distribution of orthotropic plate with rectangle hole or wing manhole are made. It can be concluded that hole-edge with continuous variable curvatures might help to decrease the stress concentration coefficient; and smaller angle of outer load and fiber can decrease the stress peak value.     

Non-monotonic material contrast in scanning ion and scanning electron images

30 keV Ga⁺ focused ion beam induced secondary electron (iSE) imaging was used to determine the relative contrast between several materials. The iSE signal compared from C, Si, Al, Ti, Cr, Ni, Cu, Mo, Ag, and W metal layers does not decrease with an increase in target atomic number Z₂, and shows a non-monotonic relationship between contrast and Z₂. The non-monotonic relationship is attributed to periodic fluctuations of the stopping power and sputter yield inherent to the ion–solid interactions. In addition, material contrast from electron-induced secondary electron (eSE) and backscattered electron (BSE) images using scanning electron microscopy (SEM) also shows non-monotonic contrast as a function of Z₂, following the periodic behavior of the stopping power for electron–solid interactions. A comparison of the iSE and eSE results shows similar relative contrast between the metal layers, and not complementary contrast as conventionally understood. These similarities in the contrast behavior can be attributed to similarities in the periodic and non-monotonic function defined by incident particle–solid interaction theory.     

Short-Term Relay Quality Prediction Algorithm Based on Long and Short-Term Memory

The fraction defective of semi-finished products is predicted to optimize the process of relay production lines, by which production quality and productivity ar...     

End-to-End Multiview Gesture Recognition for Autonomous Car Parking System

The use of hand gestures can be the most intuitive human-machine interaction medium.The early approaches for hand gesture recognition used device-based methods....     

Application of Feature Extraction through Convolution Neural Networks and SVM Classifier for Robust Grading of Apples

This paper proposes a novel grading method of apples,in an automated grading device that uses convolutional neural networks to extract the size,color,texture,an...     

分布动态载荷识别的抗噪处理

针对正交多项式频域法在用多种响应对矩形薄板进行载荷识别中抗噪性较差的问题,综合运用平均法、矩阵预处理和奇异值截断法等方法对之进行改善,并引入空间映射的思想,将该方法的应用范围拓展为复杂的模型.利用仿真算例,证实了该方法具有较好的抗噪性.     

基于MELTAC-N平台的核电厂安全级DCS环网研究与测试

针对工程实践中环网通讯相关问题的处理缺乏理论基础及国产化安全级DCS平台的开发缺乏成熟经验借鉴问题,对基于MELTAC-N平台核电厂安全级DCS环网的软硬件实现进行了研究。提出了安全级DCS环网双环网冗余设计、光切换开关设计等硬件设计方法,以及以RPR协议为基础,采用全数据收发策略的软件设计方法。在CPR1000安全级DCS平台上对安全级DCS环网的可靠性及实时性进行了评价,并进行了容错能力、响应时间及响应时间稳定性测试验证实验。结果表明,基于MELTAC-N平台安全级DCS环网软硬件设计具有较好的容错能力及响应时间稳定性。     

The laboratory simulation of abrasive wear

Abrasive wear has long been recognised as one of the most potentially serious tribological problems facing the operators of many types of plant and machinery; several industrial surveys have indicated that wear by abrasion can be responsible for more than 50% of unscheduled machine and plant stoppages. Locating the operating point of a tribological contact in an appropriate operational ‚map’︁ can provide a useful guide to the likely nature and origins of the surface degradation experienced in use, though care must be exercised in choosing the most suitable parameters for the axes of the plot. Laboratory testing of materials and simulations of machine contacts are carried out for a number of purposes; at one level for the very practical aims of ranking candidate materials or surface hardening treatments in order of their wear resistance, or in an attempt to predict wear lives under field conditions. More fundamentally, tests may be aimed at elucidating the essential physical mechanisms of surface damage and loss, with the longer term aim of building an analytical and predictive model of the wear process itself. In many cases, component surface damage is brought about by the ingress of hard, particulate matter into machine bearing or sealing clearances. These may be running dry although, more usually, a lubricant or service fluid is present at the interface. A number of standardised wear test geometries and procedures have been established for both two- and three-body wear situations, and these are briefly described. Although abrasive wear is often modelled as following an ‚Archard’︁ equation (i.e. a linear increase in material loss with both load and time, and an inverse dependence on specimen hardness) both industrial experience and laboratory tests of particularly lubricated contacts show that this is not always the case: increasing the hardness differential in an abrasively contaminated lubricated pair may not always reduce the rate of damage to the harder surface.     

ANGULAR DISTORTION ALLOWABLE VALUE AND ASSESS METHOD OF WELD ON COKE TOWER

A graph as the new engineering method for estimate the safety of bulging deformation of coke tower is proposed. Through stresses analysis of circumferential weld of coke tower and comparing the stresses produced by pressure with heat stress of steady state, residual stress, bending stress produced by both itself weight and wind loads, it showed that the stresses produced by pressure on the angle distortion are the main factor of equivalent stress of the combined stress. After comparing four kinds of stress controlling conditions, the relation to stress with depth of angular distortion, grade of curvature of angular distortion and half of region of angular distortion has been inferred. Graph of deformation allowable value of coke tower for different condition by angular distortion and half of region of angular distortion has been plotted. The five steps for its engineering use have been explained. The lighter the grade of curvature is, the larger of bulge allowance, may be, and the bigger of depth of angular distortion may pose too. For the coke tower with a popular structure of Dg 5 400 mm×28 mm, the result by graph is nearly more than the result of two formulas formed by other research, the error is less than 7.0%. But, the graph can be easily applied to different size of angular distortion.