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2015 International Conference on Industrial Engineering and Systems Management (IESM)最新文献

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Measuring product semantic similarity by exploiting a manufacturing process ontology 利用制造过程本体度量产品语义相似度
G. Bruno
The retrieval of manufacturing knowledge in companies is critical because product and process knowledge was not actually managed but only documented. Particularly, the identification of similarities between new and past products relied almost exclusively on the memory and the experience of people, and thus it is a time-consuming task. In this paper, a method to allow the automatic identification of past similar products is proposed, so that they can be used to speed up the design of manufacturing of the new product. The similarity is computed by using a semantic model in the form of ontology, which constitutes the hierarchical structure of concepts. A new similarity index is defined based on the portion of overlapping subgraph of concepts existing between two products. The different weight of each node is also considered because more descendants the node has, less specific its semantics information content is. The computation of the similarity measurement will allow the discovering of knowledge from stored data, thus supporting the engineers in searching for past products having similar characteristics with the new one. The potentiality of the proposed index is shown in a motivating example.
公司制造知识的检索是至关重要的,因为产品和工艺知识实际上没有管理,而只是记录。特别是,识别新产品和过去产品之间的相似性几乎完全依赖于人们的记忆和经验,因此这是一项耗时的任务。本文提出了一种允许对过去同类产品进行自动识别的方法,从而可以利用它们来加快新产品的设计制造。用本体形式的语义模型计算相似度,本体构成概念的层次结构。基于两个产品之间存在的概念重叠子图的部分,定义了一种新的相似度指标。还考虑了每个节点的不同权重,因为节点的后代越多,其语义信息内容就越不具体。相似性度量的计算将允许从存储的数据中发现知识,从而支持工程师搜索与新产品具有相似特征的过去产品。通过一个实例说明了所提出的指数的潜力。
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引用次数: 6
Improving interoperability of clinical documents: A case study of LOINC mapping in analysis laboratories 提高临床文件的互操作性:分析实验室中LOINC制图的案例研究
Giulio Gilia, V. Mistretta, C. Muriana, T. Piazza, G. Vizzini
Health care organizations are increasing their efforts towards administrative and clinical-process informatization. In this field, the electronic health record (EHR) can be usefully employed to improve the patient care process, as it allows the health care operator to chronologically gather care events. In achieving such a goal, the possibility of storing care events issuing from different sources is the main challenge to be faced, as it involves the possibility of rendering interoperable different proprietary systems that use customized encoding systems. System interoperability requires the exchange of standardized information and documents, using specialized document templates and encoding systems. This is the case of the Health Level 7/Clinical Document Architecture (HL7/CDA2), which requires the Logical Observation Identifiers Names and Codes (LOINC®) system for encoding clinical documents. This paper presents a case study of an interoperability system aimed at producing HL7/CDA2 documents to be sent to a centralized EHR. The case study deals with the standardization of an analysis laboratory encoding system based on LOINC, focusing on a software tool for semi-automatic mapping of internal analysis laboratory codes into LOINC codes. It was carried out at the University of Pittsburgh Medical Center, Italy (UPMC Italy) within the Smart Health 2.0 (Pon04a2_C) project, and aimed at realizing an advanced EHR that enables the collection of structured documents produced by different health care organizations in the region of Sicily, and facilitates data retrieval and longitudinal or cross-sectional analysis.
卫生保健组织正在加大对行政和临床过程信息化的努力。在这一领域,电子健康记录(EHR)可以有效地用于改进患者护理过程,因为它允许医疗保健操作员按时间顺序收集护理事件。在实现这一目标时,存储来自不同来源的事件的可能性是要面临的主要挑战,因为它涉及到呈现使用自定义编码系统的可互操作的不同专有系统的可能性。系统互操作性要求使用专门的文档模板和编码系统交换标准化的信息和文档。这就是卫生级别7/临床文档体系结构(HL7/CDA2)的情况,它需要逻辑观察标识符名称和代码(LOINC®)系统来编码临床文档。本文介绍了一个互操作性系统的案例研究,该系统旨在生成HL7/CDA2文档,并将其发送到集中式电子病历。本案例研究涉及基于LOINC的分析实验室编码系统的标准化,重点介绍了一种将内部分析实验室代码半自动映射为LOINC代码的软件工具。该研究由意大利匹兹堡大学医学中心(UPMC Italy)在智能健康2.0 (Pon04a2_C)项目范围内开展,旨在实现一种先进的电子病历,能够收集西西里岛地区不同卫生保健组织生成的结构化文件,并促进数据检索和纵向或横断面分析。
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引用次数: 2
Optimization on human and material resources in Emergency Department 急诊科人力物力资源的优化
D. Daldoul, I. Nouaouri, H. Bouchriha, H. Allaoui
Emergency Departments (ED) is the center of the hospital management's efforts. It constitutes a complex system with limited resources and random demands. The goal of this paper is to optimize the number of the human and material resources. We focus particularly on medical staff (physicians and nurses) and beds in emergency department. We propose a mixed integer linear programming (MILP) that minimizes the number of waiting patients. We consider simultaneously four patients' queue. To solve this model, we use the solver ILOG CPLEX Optimization Studio. The program has been tested on a set of instances. Numerical results show that the number of waiting patients decreased by optimizing the number of the human and material resources.
急诊科是医院管理工作的中心。它构成了一个资源有限、需求随机的复杂系统。本文的目标是优化人力和物力资源的数量。我们特别关注医务人员(医生和护士)和急诊科的床位。我们提出了一个混合整数线性规划(MILP),以最小化等待患者的数量。我们同时考虑四个病人排队。为了求解该模型,我们使用了ILOG CPLEX Optimization Studio求解器。该程序已在一组实例上进行了测试。数值结果表明,通过优化人力资源和物力资源,减少了候诊患者的数量。
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引用次数: 5
The automation of an assembly system: A business process re-engineering (BPR) perspective 装配系统的自动化:业务流程再工程(BPR)的视角
M. Bevilacqua, F. Ciarapica, Ilaria De Sanctis, G. Mazzuto, C. Paciarotti
The purpose of this paper is to automate a manual assembly line following a structured framework, in a motorcyclist industry. Process re-engineering is implemented in order to improve and automate the assembly process of a manufacturing company. The transition from the manual process to the new semi-automated assembly line is composed of 4 main steps: the as-is analysis, the Process reengineering and layout design, the training and finally the mass production. The study has shown that the line automation yields significant improvements: sizeable increase of the workstations saturation, better cohesion with Just in Time principles, reduction of the employed working force, and increase of the quality control process rigor. The scope of the study was limited to one of the firm assembly line. In future, the company plans to perform similar studies on the other lines. This investigation shows significant benefit associated with a structured implementation automation in the field of assembly process. The findings will mainly be relevant for process and logistics managers involved in the planning of a new assembly line or in the redesign of an existing one. This paper provides an original case study of as-is analysis, re-design, training and testing of an improved assembly line.
本文的目的是自动化的人工装配线遵循一个结构化的框架,在摩托车行业。流程再造是为了改进和自动化制造公司的装配过程而实施的。从手工流程到新的半自动化装配线的过渡由4个主要步骤组成:现状分析、流程再造和布局设计、培训和最后的批量生产。研究表明,生产线自动化产生了显著的改善:工作站饱和度大幅增加,更好地与准时制原则相结合,减少了雇佣的劳动力,提高了质量控制过程的严谨性。研究的范围仅限于公司的一条装配线。未来,该公司计划在其他生产线上进行类似的研究。这项调查显示了与装配过程领域的结构化实现自动化相关的显著好处。调查结果将主要与参与规划新的装配线或重新设计现有装配线的过程和后勤管理人员有关。本文提供了一个原始案例研究的现状分析,重新设计,培训和测试的改进装配线。
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引用次数: 2
An artificial bee colony with aging leader in the elite group approach for intercell scheduling considering transportation capacity 考虑运输能力的精英群体蚁群间调度方法中具有衰老蚁群的人工蜂群
Dan Zheng, Hong Zheng, Dongni Li, Miao Li
Intercell transfers make the idea of creating independent cells in cellular manufacturing systems impossible, but are essential for enterprises to reduce the costs. Because intercell transportation in the equipment manufacturing industry cannot be neglected, the problem of intercell scheduling with a limited transportation capacity constraint, which is essentially the integration of part scheduling and transportation, is addressed in this paper. An artificial bee colony (ABC) with aging leader in the elite group (ALEG) approach is proposed. Different from the basic ABC algorithm, a leading mechanism, namely ALEG is used in the onlooker bee phase, which provides the colony with more opportunities to search in promising regions. Aiming at minimizing the total weighted tardiness, the experiment is conducted by applying two leading mechanisms, i.e., ALEG and the one proposed in the previous study, to ABC, respectively. Computational results show that the proposed approach is better than the latter one.
单元间转移使得在单元制造系统中创建独立单元的想法变得不可能,但对于企业降低成本至关重要。由于装备制造业的胞间运输问题不容忽视,本文研究了有限运输能力约束下的胞间调度问题,即零件调度与运输的集成问题。提出了一种精英群体中具有老化领袖的人工蜂群(ABC)方法。与基本的ABC算法不同的是,旁观蜂阶段采用了一种领先机制,即ALEG,这使得蜂群有更多的机会在有希望的区域进行搜索。以最小化总加权延迟为目标,本实验将ALEG和前文提出的两种领先机制分别应用于ABC。计算结果表明,本文提出的方法优于后一种方法。
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引用次数: 0
Risk management in the modern retail supply chain: Lessons from a case study and literature review 现代零售供应链的风险管理:案例研究与文献回顾
M. Bahroun, S. Harbi
In today's increasingly risky and uncertain business and industrial environments, supply chains need to be more flexible and more robust to improve their performance. During the last decade supply chain risk management has emerged as a challenge on the strategic and operational supply chain issues. A deeply analysis of a case study has revealed that modern retail industry needs decision support tools to manage supply chain risks. These tools should cope with emerging practices and integrate many categories of risks. Of course, it has to be understood that risks can differ from one sector to another and from one supply chain to another and one country to another. In this paper we present preliminary research concepts and findings concerning the identification, the analysis and the modeling of risks in the modern retail supply chains. We propose a new framework for categorizing the risks in order to assess the overall impact on the performance of the retail supply chain. These risks were selected based on the literature review and on a case study of a leading retail company in Tunisia. Review of the literature on supply chain risk modeling techniques are presented and discussed. The paper concludes with numerical analysis of supply risk and comments on opportunities for further research on the area of supply chain risk and performance trade-off.
在当今风险和不确定性日益增加的商业和工业环境中,供应链需要更加灵活和稳健,以提高其绩效。在过去的十年中,供应链风险管理已经成为对战略和运营供应链问题的挑战。通过对一个案例研究的深入分析,揭示了现代零售业需要决策支持工具来管理供应链风险。这些工具应该应对新出现的实践,并整合许多类别的风险。当然,我们必须明白,不同行业、不同供应链、不同国家的风险可能不同。本文就现代零售供应链风险的识别、分析和建模提出了初步的研究概念和发现。我们提出了一个新的风险分类框架,以评估对零售供应链绩效的总体影响。这些风险是根据文献综述和突尼斯一家领先零售公司的案例研究选择的。对供应链风险建模技术的文献综述进行了介绍和讨论。本文最后对供应链风险进行了数值分析,并对供应链风险和绩效权衡领域的进一步研究提出了建议。
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引用次数: 12
Implementation of a decision support system heuristic for selecting suppliers in the hospital sector 基于启发式决策支持系统的医院供应商选择
K. Jenoui, A. Abouabdellah
The purchasing function is the strongest link in the hospital supply chain. The stakes which are related to it are often complex and difficult to define. Public institutions and hospitals are all invited to master these link operations, with a particular focus on the hospital-supplier relationship. One of the most crucial is the selection of the right supplier, which is based on both qualitative and quantitative criteria. However, few methods and tools are available to guide the decision-maker to make optimal choices based on different types of criteria. Therefore, we propose in this paper a new heuristic for a common optimum work between hospitals and suppliers, in order create a value control in costs, deadlines and quality. Our paper is composed of five parts. The first shows the interest of the study. The second presents the literature review. The third explains the problematic situation. The fourth sets out our work methodology and the proposed model. In the fifth part, we illustrate the proposed methodology through a case study. And we finish our paper with a conclusion and work prospects.
采购职能是医院供应链中最重要的环节。与之相关的利害关系往往很复杂,难以界定。公共机构和医院都被邀请掌握这些链接操作,特别注重医院与供应商的关系。其中最关键的是选择合适的供应商,这是基于定性和定量的标准。然而,很少有方法和工具可以指导决策者根据不同类型的标准做出最优选择。因此,本文提出了一种新的启发式方法,用于医院和供应商之间的共同最优工作,以便在成本,期限和质量方面建立价值控制。我们的论文由五个部分组成。第一个显示了研究的兴趣。第二部分为文献综述。第三个解释了有问题的情况。第四章阐述了我们的工作方法和建议的模式。在第五部分中,我们通过一个案例来说明所提出的方法。最后对论文进行了总结和工作展望。
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引用次数: 9
Reliability assessment based on energy consumption as a failure rate factor 基于能耗作为故障率因素的可靠性评估
F. Kristjanpoller, M. López-Campos, P. Viveros, A. Crespo Márquez
The present study defines a methodology to analyze the relationship between the failure rate of any component and the factors that can influence it, in order to link time independent operating variables to the reliability study. Characterizing the failure rate using these variables is especially useful for changing time operational contexts. To do this, a study of traditional and modern methods of analysis, together with the assumptions that must be fulfill for its implementation and the methodology for testing the assumptions is performed. Specifically, the methodology proposed in this paper is used to develop a complete study of the influence of the energy consumption of a component, at the rate of engine failure. As can be inferred, there is a relationship between energy consumption and the rate of failure; the practical experience reveals that companies frequently use the energy expenditure variable, but documented studies that corroborate their decision are not found in the literature.
本研究定义了一种方法来分析任何部件的故障率与可能影响故障率的因素之间的关系,以便将与时间无关的运行变量与可靠性研究联系起来。使用这些变量来描述故障率对不断变化的操作上下文特别有用。要做到这一点,需要研究传统和现代的分析方法,以及为实现这些分析方法而必须满足的假设和检验这些假设的方法。具体地说,本文中提出的方法用于在发动机故障率下对部件能耗的影响进行完整的研究。由此可以推断,能耗与故障率之间存在一定的关系;实践经验表明,企业经常使用能量消耗变量,但文献中没有发现证实其决策的文献研究。
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引用次数: 1
Robust LQR with actuator failure control strategies for 4DoF model of unmanned bicycle robot stabilised by inertial wheel 基于惯性轮稳定的无人自行车机器人四自由度模型的鲁棒LQR与致动器失效控制策略
D. Horla, A. Owczarkowski
The paper presents analysis of two control strategies, i.e. LQR and LQI, in application to control of continuous-time nonlinear system on the basis of its linearised discrete-time model, taking robustness approach into account. The applied control laws assure robustness subject to actuator failure what has been used to obtain better control quality (in the sense of selected performance indexes) in comparison to control laws that take no uncertainty into account. The uncertainty resembles here actuator failure or mismodeling case, whenever applied control signal results in different behaviour of the closed-loop system than desired, as in actuator failure case alone.
本文以连续时间非线性系统的线性化离散模型为基础,考虑鲁棒性,分析了LQR和LQI两种控制策略在连续时间非线性系统控制中的应用。与不考虑不确定性的控制律相比,所应用的控制律保证了在执行器失效时的鲁棒性,从而获得了更好的控制质量(在选定的性能指标意义上)。不确定性类似于执行器故障或错误建模的情况,每当应用控制信号导致闭环系统的行为与期望不同时,就像单独的执行器故障一样。
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引用次数: 9
Information system design for reverse logistics management using UML 基于UML的逆向物流管理信息系统设计
Asma Boussellaa, M. Abed
The work presented in this paper is the modeling of an information system supporting all activities of the reverse logistics(RL). In order to gather knowledge about the current state of the art on this topic, a literature review is established for the available research works which are classified using a suitable criteria. Based on this review, our work consist of developing an information system (IS) design for reverse logistics (RL) management. The proposed modeling is based on an object-oriented analysis approach. The results announced at the analysis step includes the use case diagrams which modeling the dynamic aspect of the system with the actors interacting processes and a class diagram that models the key concepts of information managed in the system. This modeling is generic for a company which takes into account good practices in RL.
本文提出的工作是支持逆向物流(RL)的所有活动的信息系统的建模。为了收集关于这一主题的当前技术状况的知识,为可用的研究工作建立了文献综述,这些研究工作使用合适的标准进行分类。在此基础上,我们的工作包括开发逆向物流管理的信息系统(IS)设计。所提出的建模是基于面向对象的分析方法。在分析步骤中公布的结果包括用例图,用参与者交互过程对系统的动态方面进行建模,类图对系统中管理的信息的关键概念进行建模。这种建模对于考虑到强化学习中良好实践的公司来说是通用的。
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引用次数: 1
期刊
2015 International Conference on Industrial Engineering and Systems Management (IESM)
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