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2020 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)最新文献

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An Integrated Scheme for Robot E-procurement 机器人电子采购集成方案
Yafei Nie, Shurong Tong
E-procurement is an important way to purchase robots in recent years. Robot e-procurement requires efficient matching among buyers and sellers. Based on the characteristics of robot e-procurement, combined with the theories of e-procurement and transaction matching, the method of unidirectionally searching for seller’ supply information is expanded. An integrated robot e-procurement framework including the catalog procurement, the inquiry procurement and the bidding procurement is proposed to achieve bi-directional search and procurement between buyers and sellers. Based on the selection of core attributes and calculation of user satisfaction, the matching method for robot procurement is put forward for users to efficiently match products in accordance with their requirements.
电子采购是近年来机器人采购的重要方式。机器人电子采购要求买卖双方进行高效匹配。根据机器人电子采购的特点,结合电子采购理论和交易匹配理论,扩展了单向搜索卖方供给信息的方法。提出了包括目录采购、查询采购和招标采购在内的一体化机器人电子采购框架,实现了买卖双方的双向搜索和采购。在核心属性选择和用户满意度计算的基础上,提出了机器人采购的匹配方法,使用户能够根据自己的需求高效匹配产品。
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引用次数: 0
Qualitative Aspects of Communication and Relations Between the Actors in a Supply Chain for Forest Fuel 森林燃料供应链中行为者之间的沟通和关系的定性方面
J. Enström
Recent literature within SCM has pointed out communication and human relations as less developed areas. This paper provides an in-depth presentation of these aspects in a studied supply chain for forest fuel, adopting an interview approach followed by thematic analyze. Two service contractors, performing chipping and transport of forest fuel, and the logistic manager at the trading company contracting them, where interviewed concerning the topics: work processes, information and relations, work situation and development.The three themes developed from the analysis (Acknowledging relationships, Gaps in understanding and communication, and Joint development) revealed several areas for further development.Such areas were the need for a continuous education process to increase understanding between the functional units; the need for a SCM-system where information are safely forwarded together with a secured information processes to ensure the information quality, and also clarification of the contractors authority in decision making.
最近的文献在供应链管理指出沟通和人际关系是欠发达的领域。本文在研究森林燃料的供应链中,采用访谈方法,然后进行专题分析,深入介绍了这些方面。两个服务承包商,从事森林燃料的切碎和运输,以及贸易公司的物流经理承包他们,就工作流程,信息和关系,工作情况和发展等主题进行了采访。从分析中得出的三个主题(承认关系、理解和沟通中的差距以及共同发展)揭示了进一步发展的几个领域。这些领域是需要一个持续的教育过程,以增加职能单位之间的了解;需要一个安全管理系统,在这个系统中,信息可以安全地转发,并有一个安全的信息流程,以确保信息的质量,以及澄清承包商在决策方面的权力。
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引用次数: 1
The Influence to Customer Engagement Behavior by Different Strategy for Different Objective in Online Marketing 网络营销中针对不同目标的不同策略对顾客参与行为的影响
Dongying Yang, S. Fujimura
This paper aims to find the correlation between each strategy for different objectives of tweets with customer engagement behaviors, and different effects on three behaviors. The prior research proved that diverse strategy and objective have a unique influence on customer engagement. However, the interaction effect within these strategies and objectives are not discussed. Thus, in this paper, we collect data from Adidas' official Twitter account, and categorize by three objectives, brand build, product sale, and marketing campaign. Then experiment the influence of every strategy for each objective. This paper finds the strategy have different performance for a specific objective, for instance, celebrity and mega-event have a positive influence on customer engagement for brand build, which is opposite to the general situation. Meanwhile, in one objective, the same strategy has different effects on different customer behaviors. Marketers can use these findings to achieve the marketing objective efficiently.
本文旨在找出针对不同推文目标的每种策略与客户参与行为之间的相关性,以及对三种行为的不同影响。先前的研究证明,不同的战略和目标对客户参与有独特的影响。然而,这些策略和目标之间的相互作用并没有被讨论。因此,在本文中,我们从阿迪达斯的官方Twitter账户中收集数据,并根据三个目标进行分类,品牌建设,产品销售和营销活动。然后实验每种策略对每个目标的影响。本文发现,针对特定目标,策略有不同的表现,例如,名人和大型活动对品牌建设的客户参与有积极的影响,这与一般情况相反。同时,在同一个目标下,同样的策略对不同的顾客行为有不同的影响。营销人员可以利用这些发现来有效地实现营销目标。
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引用次数: 1
A Large Neighbourhood Search Approach to Airline Schedule Disruption Recovery Problem 航空公司时刻表中断恢复问题的大邻域搜索方法
K. Ng, K. L. Keung, C. K. M. Lee, Y. T. Chow
The occurrence of unplanned aircraft shortages and disruption of flight schedules during the day-to-day operations of airlines is inevitable. When equipment failure causes unsafe flight, the aircraft will be grounded or temporarily delayed when the weather shuts down the airport or the required flight crew is unavailable. Real-time decisions must be made to reduce revenue loss, passenger inconvenience and operating costs by reallocating available aircraft and cancelling or delaying flights. A large neighbourhood search algorithm is used in this research to construct a feasible and efficient solution to the airline schedule disruption recovery problem. We aim to reduce the aircraft turn-around times, including total delay time, the number of flight adjustments and the number of flights delayed for more than one hour, as an objective function. Ten real-life cases are solved, and the proposed approach yields an approximate 50% improvement in solution quality.
在航空公司的日常运营中,出现计划外的飞机短缺和航班时刻表中断是不可避免的。当设备故障导致飞行不安全时,当天气关闭机场或所需的机组人员不可用时,飞机将停飞或暂时延误。必须做出实时决策,通过重新分配可用飞机、取消或延迟航班来减少收入损失、乘客不便和运营成本。本文采用大邻域搜索算法,构建了一个可行且高效的航空公司航班时刻表中断恢复问题的解决方案。我们的目标是减少飞机的周转时间,包括总延误时间、航班调整次数和延误超过一小时的航班数量作为目标函数。解决了十个实际案例,所提出的方法在解决方案质量方面产生了大约50%的改进。
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引用次数: 4
Multi-factory Job Shop Scheduling With Due Date Objective 具有截止日期目标的多工厂作业车间调度
Jacob Lohmer, D. Spengler, R. Lasch
The existing literature on distributed scheduling mainly focuses on the performance measures makespan, total completion time, or costs. Due date related objectives that are gaining in importance in the industry have not been considered to a similar extent. In this contribution, we present a model formulation of the distributed job shop scheduling problem with due date consideration and present adapted greedy heuristics as well as a genetic algorithm to solve large problem instances. Computational experiments are carried out to assess the performance of the model and the algorithms. The heuristics and metaheuristics show promising results in reasonable computation times, with the genetic algorithm outperforming the other heuristics. The results indicate that managers should consider incorporating due date related objectives in the decision-making process of production planning and scheduling in distributed manufacturing.
现有的关于分布式调度的文献主要集中在性能度量上,即完工时间、总完成时间或成本。在行业中越来越重要的与截止日期相关的目标没有被考虑到类似的程度。在这篇贡献中,我们提出了考虑到期日的分布式作业车间调度问题的模型公式,并提出了自适应贪婪启发式和遗传算法来解决大型问题实例。通过计算实验对模型和算法的性能进行了评估。在合理的计算时间内,启发式算法和元启发式算法都取得了令人满意的结果,其中遗传算法优于其他启发式算法。研究结果表明,在分布式制造的生产计划和调度决策过程中,管理者应考虑纳入与交货日期相关的目标。
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引用次数: 2
Topological Data Analysis for Identifying Critical Transitions in Cryptocurrency Time Series 用于识别加密货币时间序列关键转换的拓扑数据分析
Patipol Saengduean, S. Noisagool, F. Chamchod
In this study, we investigate financial crashes in the cryptocurrency market including both mini and major crashes for two cryptocurrencies, Bitcoin and Ethereum, during the period that the digital market crashed in 2018. By applying techniques in topological data analysis, we are able to predict financial transitions and explore optimal values of the window size and the dimension of point cloud data to obtain good early warning signals. Our results demonstrate good early warning signals before the financial crashes and also show that the L1-norm and C1 – norm of persistent landscapes peak before the crashes occur.
在这项研究中,我们调查了加密货币市场的金融崩溃,包括2018年数字市场崩溃期间比特币和以太坊两种加密货币的小型和重大崩溃。通过应用拓扑数据分析技术,我们能够预测金融转型,并探索窗口大小和点云数据维度的最佳值,以获得良好的预警信号。我们的研究结果表明,在金融危机发生之前,持续景观的l1 -范数和C1 -范数达到了峰值。
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引用次数: 2
Dual Sourcing Problem with Capacities and Setup Cost 产能和设置成本的双重采购问题
Xiaoqian Shi, Lin-lin Ji, Meimei Zheng
This paper studies the ordering problem of a retailer, sourcing from two suppliers (i.e., domestic and offshore suppliers). Compared to the domestic sourcing, the offshore sourcing is cheaper with larger capacity, but it incurs additional costs (i.e., setup costs), such as cross transaction and quality control costs. We characterize the retailer’s optimal order quantities from domestic and offshore suppliers. Our analytical result shows that the retailer’s ordering policy is not affected by the setup cost when the setup cost is large enough. Numerical analysis reveals that the setup cost and the capacity of the offshore supplier have negative effects on the total order quantity.
本文研究了一家零售商从两个供应商(即国内供应商和国外供应商)采购的订货问题。与国内采购相比,离岸采购成本更低,产能更大,但会产生额外的成本(即设置成本),如交叉交易成本和质量控制成本。我们描述了零售商从国内和海外供应商处获得的最佳订单数量。分析结果表明,当设置成本足够大时,零售商的订购策略不受设置成本的影响。数值分析表明,建立成本和离岸供应商的能力对总订单量有负向影响。
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引用次数: 0
The Enhancement of E-learning for the Boring Process to Leverage the Knowledge Management Maturity 无聊过程中电子学习的增强利用知识管理成熟度
Zulma Luklu Il Maqnun, Fadel Muhammad, A. Kurniawati, M. T. Kurniawan
To catch up with the dynamics of business needs, organizations need to maintain and regularly enhance the performance of their information system and human capital. An aerospace industry company is expected to have a sustainable implementation of knowledge-based e-learning. The company needed to enhance the e-learning that covers the entire content of the boring process. This study aimed to design the enhancement of e-learning of the boring process and to review the company’s KM maturity. The knowledge conversion process retrieved thirty-one tacit knowledge and converted them as part of best practice and the knowledge content of e-learning. Afterward, the software development process was commenced to develop the adjustment of the e-learning structure and new features required. The review showed e-learning has contributed to the company’s KM maturity on level 3 – Aware. By evaluating the KM maturity, the company can determine the initiatives improvements needed to leverage the KM practice.
为了跟上业务需求的动态变化,组织需要维护并定期提高其信息系统和人力资本的性能。期望航空航天工业公司可持续地实施基于知识的电子学习。公司需要加强电子学习,以涵盖枯燥过程的全部内容。本研究旨在设计提升无聊过程的电子学习,并检视公司的知识管理成熟度。知识转换过程检索31项隐性知识,并将其转换为电子学习最佳实践和知识内容的一部分。然后,开始软件开发过程,开发电子学习结构的调整和所需的新功能。审查表明,电子学习对公司的知识管理成熟度在3级意识上做出了贡献。通过评估知识管理成熟度,公司可以确定利用知识管理实践所需的主动性改进。
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引用次数: 1
Operating Expense Budgeting Using Standard Activity Measurement Plan 使用标准活动计量计划编制营业费用预算
R. G. Manalo, M. V. Manalo
This paper is about an implementation framework of Standard Activity Measurement Plan (StAMP) in Operating Expenses (OPEX) budgeting. StAMP is a modified version of Activity-Based Costing (ABC). Activities are given predefined unit costs based on the direct costs of each cost center. The basis of the unit costs is the previous year's actual expenses. The direct expenses are spread to all activities. The cost center will have to define the activity driver or the mechanism to accomplish the work or activity output. If the cost center can identity the volume or frequency of the activity driver for a given period (such as annual or one quarter of a year), the expected costs can be computed. This can be a basis for the budget as well which is linked to the goals/objectives/activities of the cost center.Another feature of the StAMP is the Full-Time Equivalent (FTE) analysis. Since the processing time per activity will be initially identified, simply multiply the activity driver volume to the total time per activity to establish the FTE per activity or total FTE per cost center. This can be used for manpower planning and performance measurement as well.
本文研究了标准活动度量计划(Standard Activity Measurement Plan, StAMP)在运营费用预算中的实施框架。StAMP是作业成本法(ABC)的修改版本。在每个成本中心的直接成本的基础上,预先确定各项活动的单位成本。单位成本以上一年度的实际费用为基础。直接费用分摊到所有活动中。成本中心必须定义活动驱动程序或机制来完成工作或活动输出。如果成本中心能够确定特定时期(如一年或一个季度)活动驱动因素的数量或频率,则可以计算出预期成本。这也可以作为预算的基础,它与成本中心的目标/目的/活动相联系。StAMP的另一个特性是全职当量(Full-Time Equivalent, FTE)分析。由于每个活动的处理时间最初将被确定,因此只需将活动驱动程序体积乘以每个活动的总时间,即可建立每个活动的FTE或每个成本中心的总FTE。这也可以用于人力规划和绩效衡量。
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引用次数: 0
High-Fidelity Finite Element Modelling and Simulation of Solid Resilient Tire: Application to Forklift Solid Resilient Tire 实心弹性轮胎高保真有限元建模与仿真:在叉车实心弹性轮胎上的应用
W. Premarathna, J. Jayasinghe, K. Wijesundara, P. Gamage, R. Ranatunga
Solid tires are utilized for excessive material handling purposes. They experience excessive stresses and high internal energy generation. These factors are not easy to be captured using experimental methods due to complex experimental setup and high cost. Hence, this study is focused on development of a detailed three-dimensional (3D) Finite Element (FE) model of a three-layered forklift solid resilient tire to investigate its characteristics at static conditions. Mooney-Rivlin, Ogden and Yeoh materials model were identified as the best suited hyper-elastic material models that have good agreement with base, cushion and tread of this tire respectively. The developed FE model was validated and its characteristics were investigated at different loads and grade levels of ramp. The results emphasized that, localized high stresses are mainly distributed in the base layer and reinforcements. Cushion layer was identified as the highest energy dissipation area. Furthermore, Forklift gradeability analysis results show that higher-grade values lead to poor tire performances with high wear rate. This study can be further extended to investigate the dynamic behavior of the solid resilient tire.
实心轮胎用于搬运过多的物料。他们经历了过度的压力和高的内部能量产生。由于实验装置复杂,成本高,这些因素不容易用实验方法捕获。因此,本研究的重点是建立三层叉车实心弹性轮胎的详细三维有限元模型,以研究其在静态条件下的特性。Mooney-Rivlin、Ogden和Yeoh材料模型分别与该轮胎的基面、垫面和胎面具有较好的一致性,是最适合的超弹性材料模型。对所建立的有限元模型进行了验证,并对其在不同荷载和坡道坡度水平下的特性进行了研究。结果表明,局部高应力主要分布在基层和增强层。确定垫层为最大耗能区。此外,叉车分级性分析结果表明,分级值越高,轮胎性能越差,磨损率越高。该研究可以进一步扩展到实心弹性轮胎的动力特性研究。
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引用次数: 3
期刊
2020 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)
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