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2017 International Conference on Industrial Engineering, Management Science and Application (ICIMSA)最新文献

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Research on the Reliability of the Spraying Process Based on the Design of Experiment 基于实验设计的喷涂工艺可靠性研究
W. Wang, Wei Zhang, Weijia Feng
Spraying process is a kind of surface treatment process which is widely used in mechanical products, and the performance of the coating will directly affect the performance and reliability of the sprayed parts. The research on the method of improving the reliability of the spraying process is of great significance to reduce the failure of parts caused by spraying. Design of Experiment (DOE) is a key tool to improve the quality and reliability of products. In this paper, by using orthogonal experimental design to optimize the compressor casing sealing spraying process, so that the compressor casing spraying process has been improved, and the reliability of the process system has been enhanced.
喷涂工艺是一种广泛应用于机械产品的表面处理工艺,涂层的性能将直接影响喷涂件的性能和可靠性。研究提高喷涂过程可靠性的方法,对减少因喷涂引起的零件失效具有重要意义。实验设计(DOE)是提高产品质量和可靠性的重要工具。本文通过采用正交试验设计对压缩机机匣密封喷涂工艺进行优化,使压缩机机匣密封喷涂工艺得到改进,工艺系统的可靠性得到增强。
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引用次数: 0
A Roadmap Towards Healthcare Logistics in Thailand 泰国医疗保健物流路线图
D. Kritchanchai
Apart from operation dimension in supply chain, another perspective in healthcare supply chain is the infrastructure for Logistics. This infrastructure concerns much in data and information flows. The study focuses on three levels for constructing this infrastructures: Public health policy maker, provincial public health office and hospital levels. A survey was conducted. The framework for data collections was based on data standardization, database and its applications. The findings identified the status of such areas. It shows that lack of standardization could lead to poor information in the supply chain. Five core components for the foundation are recommended. These are standard data, standard exchange data, a single data pool, ability to track and trace and data centre. Implications and suggestions for policy makers are recommended.
除了供应链的运营维度外,医疗供应链的另一个视角是物流基础设施。这种基础结构与数据和信息流密切相关。本研究主要从公共卫生政策制定者、省级公共卫生办公室和医院三个层面进行基础设施建设。进行了一项调查。数据收集的框架是基于数据标准化、数据库及其应用。调查结果确定了这些地区的状况。它表明,缺乏标准化可能导致供应链中的信息不准确。推荐五个基础核心组件。这些是标准数据、标准交换数据、单一数据池、跟踪能力和数据中心。对政策制定者提出了启示和建议。
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引用次数: 4
Influencing Factor Analysis for Cost Benefit Sharing in Healthcare Supply Chain Collaboration 医疗保健供应链协作中成本效益分担的影响因素分析
Jirawan Niemsakul, Duangpun Singkarin
This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply chain collaboration. The factors are conducted by literature review and in-depth interview with supply chain experts in healthcare sector in Thailand. The factor evaluation based on cost-benefit is analyzed by AHP and the willingness to share cost and benefit is evaluated by TOPSIS. The ranking of factor and the willingness to share are presented.
本文提出了医疗供应链协作中成本效益分担的影响因素分析。这些因素是通过文献综述和深入采访供应链专家在泰国医疗保健部门进行的。基于成本效益的因子评价采用层次分析法进行分析,成本效益分担意愿采用TOPSIS法进行评价。给出了因子排序和分享意愿。
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引用次数: 0
Automatic Solar Radio Burst Type II and III Image Processing Tracking by Using CALLISTO System 利用CALLISTO系统对II型和III型太阳射电暴进行自动图像处理跟踪
Z. S. Hamidi, N. Shariff
Coronal Mass Ejections (CMEs) are well known as one of the most massive eruptions which potentially create major disturbances in theinterplanetary medium and initiate severe magnetic storms when they collide with the Earth's magnetosphere. As indicated with radio signatures so-called type II and III burst. It also divided by sub-type of burst depending on the physical characteristics and different mechanisms. For empirical case studies, the statistical properties of both solar bursts by using the Compound Astronomical Low-cost Low-frequency Instrument for Spectroscopy in Transportable Observatories (CALLISTO) network data has been analyzed. The aim of the present pa is to reveal dynamical properties of solar burst type II and III due to image processing. From the analysis of solar burst images, we used CALLISTO RAPP Java Viewer and Interactive Data Language (IDL) software to automatically detect flares and applied image segmentation techniques to compute their properties. The next plan is to discover the potential for dynamic optimization of an image processing of a solar burstwith a focus on optimization of power output under non-fault conditions. Finally, monitoring system design considerations such as the type and accuracy of measurements, sampling rate, and communication protocols are considered. The automatic procedure is a valuable tool for real-time monitoring of solar burst evolution.
日冕物质抛射(cme)是众所周知的最大规模的喷发之一,它可能会对行星际介质造成重大干扰,并在与地球磁层碰撞时引发严重的磁暴。正如无线电信号所显示的所谓的II型和III型爆发。它还根据物理特征和不同的机制划分了爆发的子类型。在实证研究中,利用复合天文低成本低频光谱仪(CALLISTO)网络数据分析了两次太阳爆发的统计特性。本文的目的是通过图像处理揭示太阳爆发II型和III型的动力学特性。通过对太阳爆发图像的分析,利用CALLISTO RAPP Java Viewer和交互式数据语言(IDL)软件自动检测耀斑,并应用图像分割技术计算耀斑的性质。下一个计划是发现太阳爆发图像处理动态优化的潜力,重点是优化非故障条件下的功率输出。最后,讨论了监控系统的设计考虑因素,如测量的类型和精度、采样率和通信协议。自动程序是实时监测太阳爆发演变的一种有价值的工具。
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引用次数: 11
A Six Sigma Approach Towards Improving Quality Management in Manufacturing of Nutritional Products 用六西格玛方法改进营养品生产质量管理
M. Krotov, Sanjay Mathrani
Achieving the desired quality standard is crucial in manufacturing of nutritional premixes such as infant formulae. Issues of out-of-specifications and presence of foreign matter and/or bacteria are unacceptable in the industry. Six Sigma is a renowned approach for improving quality management through eliminating variation. The main objective of Six Sigma model is to highlight the critical processes that need controlling to attain the required quality for both, internal and external customer. This paper aims to showcase the development and application of Six Sigma framework in improving quality management through the use of appropriate tools in a medium-sized premix manufacturing facility in Auckland. The company is experiencing quality issues in terms of meeting standard specifications of ingredient contamination within end products, leading to late deliveries and impacting business reputation. The proposed framework standardizes the Six Sigma methods Define, Measure, Analyse, Improve and Control for food manufacturing business. Using this framework, the study optimizes the manufacturing process around the blenders: loading, mixing blenders leading towards packaging. The results describe the improvement in meeting specification standards, on-time deliveries and reduction of rework. The research outcome provides a guidance for small- and medium- sized food manufacturing enterprises to effectively adopt a Six Sigma framework to enhance quality management through eliminating variation in the production processes.
在生产婴儿配方奶粉等营养预混料时,达到所需的质量标准是至关重要的。不符合规格的问题以及异物和/或细菌的存在在行业中是不可接受的。六西格玛是一种著名的通过消除变化来改进质量管理的方法。六西格玛模型的主要目标是强调需要控制的关键过程,以达到内部和外部客户所需的质量。本文旨在展示六西格玛框架的发展和应用,通过在奥克兰的中型预混料生产设施中使用适当的工具来改善质量管理。公司在满足最终产品成分污染的标准规范方面遇到质量问题,导致交货延迟并影响商业声誉。该框架对食品生产企业的六西格玛方法进行了标准化:定义、测量、分析、改进和控制。利用这个框架,该研究优化了围绕搅拌器的制造过程:装载,混合搅拌器导致包装。结果描述了在满足规范标准、准时交货和减少返工方面的改进。研究成果可指导中小型食品生产企业有效地采用六西格玛框架,通过消除生产过程中的变异来加强质量管理。
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引用次数: 8
Application of Job Sequencing Policies in Refrigerated Truck Sequencing: A Case Study 工作排序政策在冷藏车排序中的应用:一个案例研究
C. Kasemset, Eakachai Pintaruean
First-come first-served (FCFS) is a general policy for refrigerated truck sequencing. However, adopting FCFS makes a company case study to face long waiting times before loading goods and inadequate parking areas for waiting trucks. To solve these problems, six dispatching rules are considered: latest departure time (LDT), smallest critical ratio (CR), shortest processing time (SPT), longest processing time (LPT), priority queueing considering density of customers (PQ-C), and priority queueing considering traffic congestion (PQ-T). Six-month historical data of trucks were collected and used for evaluating each rule. The minimum value of a truck's waiting time can be obtained when PQ-T has been tested. The results showed that using PQ-T can reduce 11.04% of the total waiting time when compare to FCFS. PQ-T is recommended for refrigerated truck sequencing mobile application development. This application can automatically generate the daily truck sequence.
先到先得(FCFS)是冷藏车排序的一般政策。然而,采用FCFS使一个公司的案例研究面临装货前的漫长等待时间和等待卡车的停车位不足。为了解决这些问题,考虑了6条调度规则:最迟出发时间(LDT)、最小临界比(CR)、最短处理时间(SPT)、最长处理时间(LPT)、考虑客流量密度优先排队(PQ-C)和考虑交通拥堵优先排队(PQ-T)。收集卡车六个月的历史数据并用于评估每条规则。当PQ-T测试完成后,可以得到卡车等待时间的最小值。结果表明,与FCFS相比,使用PQ-T可减少11.04%的总等待时间。PQ-T推荐用于冷藏车测序移动应用开发。这个应用程序可以自动生成每日卡车序列。
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引用次数: 1
Multi-AGVs Collision-Avoidance and Deadlock-Control for Item-To-Human Automated Warehouse 物对人自动化仓库的多agv避碰与死锁控制
Xuejun Yan, Canrong Zhang, Mingyao Qi
Automated Guided Vehicle System (AGVS) is widely applied in many automated manufacturing systems, especially in the e-commerce warehouses recently. When multiple AGVs are running in the limited spaces, lots of issues involved in the traffic management, such as collision and deadlock, need to be well addressed. Based on the digraph model, this paper proposed some effective rules, and applied online control strategies to achieve these goals with both unidirectional and bidirectional paths. Simulations based on practical settings are carried out, and the results verified the effectiveness of rules and strategies.
自动导引车系统(AGVS)近年来在许多自动化制造系统中得到了广泛的应用,特别是在电子商务仓库中。当多个agv在有限的空间中运行时,需要很好地解决交通管理中涉及的许多问题,例如碰撞和死锁。在有向图模型的基础上,提出了一些有效的规则,并应用在线控制策略在单向和双向路径下实现这些目标。基于实际设置进行了仿真,结果验证了规则和策略的有效性。
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引用次数: 13
Predicting Customer Churn Using the Cumulative Quantity Control Chart 使用累积数量控制图预测客户流失
Wei Lin, Ssu-Han Chen
This study proposes a customized prediction scheme for customer churn. This scheme is based on cumulative quantity control (CQC) chart that monitors customers' inter arrival time (IAT). In addition, recency, a time interval pattern that is complementary with IAT is integrated in to increase false positive rate (FP) and to reduce false negative rate (FN) and average time to signal (ATS). Unlike the previous studies that are presented with static data analysis and tabular reports, CQC offers a unique prediction scheme that, in addition to graphic visualization, can perform dynamic monitoring as time passes and new information is collected. When a customer exceeds the control limit at a CQC score, the scheme issues an out-of-control warning for the bad behavior to help the administrator to take preventive measures. This paper conducts empirical analysis of the database of an online dating website in Taiwan and compares different CQC-v of Xie et al. (2002) with CQC of Chan et al. (2000), and the results show that the accuracy (ACC) of CQC-4 is the highest and ATS places second on the list.
本研究提出一套客制化的顾客流失预测方案。该方案是基于累积数量控制(CQC)图表,监控客户的间隔到达时间(IAT)。此外,最近,一个时间间隔模式,是互补的IAT集成,以提高假阳性率(FP)和降低假阴性率(FN)和平均时间到信号(ATS)。与以往的研究采用静态数据分析和表格报告不同,CQC提供了一种独特的预测方案,除了图形可视化之外,还可以随着时间的推移和新信息的收集进行动态监测。当客户的CQC评分超过控制范围时,方案会对客户的不良行为发出失控警告,帮助管理员采取预防措施。本文对台湾某婚约网站的数据库进行实证分析,比较了Xie et al.(2002)和Chan et al.(2000)的CQC-v,结果显示CQC-4的准确率(ACC)最高,ATS排名第二。
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引用次数: 0
Spatio-Temporal State Space Model Application in the Dynamic Supply Chain System 时空状态空间模型在动态供应链系统中的应用
P. Apichayakul
The aim of the paper is to develop a spatio-temporal state space model with a better understanding of the dynamic characteristics in a supply chain system. The proposed model incorporates the space and time domain into the model of supply chain system. The estimation method is proposed based on the constructed model. The study will utilize a spatio- temporal state space model associated with EM algorithm technique in describing a dynamic characteristic of supply chain system. Inventory is managed based on demand forecasting at various points of the supply chain from incomplete data.
本文的目的是为了更好地理解供应链系统的动态特性,建立一个时空状态空间模型。该模型将空间和时间域纳入到供应链系统模型中。在构建模型的基础上提出了估计方法。本研究将利用时空状态空间模型与EM算法技术相结合来描述供应链系统的动态特性。库存管理是基于对供应链各个点的需求预测,这些需求预测来自不完整的数据。
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引用次数: 0
期刊
2017 International Conference on Industrial Engineering, Management Science and Application (ICIMSA)
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