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2019 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)最新文献

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Consequence Classification Based Spare Parts Evaluation and Control in the Petroleum Industry 基于后果分类的石油工业备件评价与控制
R. Ratnayake
Spare parts (SPs) evaluation and control (SPE&C) has been a challenging task in the onshore and offshore petroleum industry, due to the highly hazardous and capital-intensive nature of operational assets. SPE&C requires that different phases of the petroleum asset's life cycle (i.e. commissioning, operations, modifications, and decommissioning) are taken into consideration via project execution. The requirements imposed by regulatory authorities, the recommendations suggested by classification societies and standards (i.e. national and international), and the guidelines available in the internal performance standards must be taken into consideration in an SPE&C process. SPE&C also requires contributions from several stakeholders from various disciplines, such as plant integrity, materials management, project management and package responsibility, as well as original equipment manufacturers/vendors, to establish a consensus about operational and work practices. Due to the inherent nature of the operational assets, the conventional inventory control approaches and formulae are mostly superimposed by consequence classifications and risk assessments. This has resulted in a significant level of ad hoc spare part recommendations, causing significant loss to asset owners. This manuscript firstly demonstrates current SPE&C practices in the petroleum industry. Secondly, it presents frameworks to standardize SPE&C tasks. Finally, it proposes inventory policies, based on consequence and unit cost, which provide an approach to compensate for ad hoc SPA&C tasks, to minimize SP-related losses to the assets' owners.
由于作业资产的高风险和资本密集性,备件(SPs)评估与控制(SPE&C)一直是陆上和海上石油工业中一项具有挑战性的任务。SPE&C要求在项目执行过程中考虑到石油资产生命周期的不同阶段(即调试、运营、改造和退役)。在SPE&C过程中,必须考虑监管机构提出的要求,船级社和标准(即国家和国际)提出的建议,以及内部性能标准中可用的指导方针。SPE&C还需要来自不同学科的几个利益相关者的贡献,例如工厂完整性,材料管理,项目管理和包装责任,以及原始设备制造商/供应商,以建立关于操作和工作实践的共识。由于经营性资产的固有性质,传统的库存控制方法和公式多是由后果分类和风险评估叠加而成。这导致了大量的临时备件建议,给资产所有者造成了重大损失。本文首先展示了目前石油工业中SPE&C的实践。其次,提出了规范SPE&C任务的框架。最后,提出了基于后果和单位成本的库存政策,提供了一种补偿特殊SPA&C任务的方法,以最大限度地减少资产所有者的sp相关损失。
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引用次数: 2
Teaching Fundamental Concepts of Industrial Engineering and Management by Using Examples from the Video Game Industry 以电子游戏产业为例,讲授工业工程与管理的基本概念
Leif Sundberg
This paper presents experiences from using examples from the video game industry to teach fundamental concepts and theories of Industrial Engineering and Management. The video game console Dreamcast, which was released by SEGA in Japan in 1998, and discontinued in 2001, was used as a case to let engineering students analyze the trajectory of the console. A framework based on First Principles of Instruction was used to analyze the learning situation. The material consists of students' assignment and evaluations, and the responsible teacher's reflections. Students generally appreciated the opportunity to apply skills to explain a real-world problem. Pre-knowledge of the context was different between male and female students, which needs to be taken into consideration in future variants of the course. Teacher's reflections summarized advantages with this as using a market that many students are familiar with, that has a history related to engineering and economics, and differentiated market. Disadvantages included formal limitations in course duration and evaluation, but also lack of peer-reviewed material, and the reputation of video-games as just being “toys”.
本文以电子游戏行业为例,介绍了如何教授工业工程与管理的基本概念和理论。1998年世嘉在日本发行、2001年停产的电子游戏机Dreamcast被作为案例,让工科学生分析游戏机的发展轨迹。运用基于教学第一原则的框架分析学习情境。材料包括学生的作业和评价,以及负责教师的反思。学生们通常都很欣赏这种运用技能来解释现实问题的机会。男女学生对语境的预知性是不同的,这一点需要在以后的课程变体中加以考虑。老师的反思总结了这样做的优点:使用了一个很多学生都熟悉的市场,有工程和经济相关的历史,有差异化的市场。缺点包括课程持续时间和评估的正式限制,但也缺乏同行评议的材料,以及电子游戏只是“玩具”的名声。
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引用次数: 0
Optimal Short-Term Forecasting Using GA-Based Holt-Winters Method 基于遗传算法的霍尔特温特斯方法的最优短期预测
M. M. Navarro, B. B. Navarro
One of the key issues nowadays in using Holt-Winters Method of forecasting is the appropriate selection of smoothing coefficients. To identify values of smoothing coefficients, an optimization approach is explored that minimizes a forecasting error like Mean Squared Errors (MSE) or Mean Absolute Deviation (MAD). This paper develops a methodology that optimizes forecasting error by determining the optimal smoothing coefficients of the Holt-Winters Method using Genetic Algorithm (GA). This paper focuses on the Mean Square Error (MSE) as an objective value of the optimization problem. The efficiency of the proposed approach was verified using actual test cases based on rice stock commodity in the Philippines. Different variants of the Holt-Winters Method were examined and the result shows that additive seasonal effect was more appropriate for the rice stock data. The proposed approach was compared to other models and the results are promising.
目前应用霍尔特-温特斯法进行预测的关键问题之一是平滑系数的合理选择。为了确定平滑系数的值,探索了一种最小化均方误差(MSE)或平均绝对偏差(MAD)等预测误差的优化方法。本文提出了一种利用遗传算法确定霍尔特-温特斯法的最优平滑系数以优化预测误差的方法。本文重点研究了均方误差(MSE)作为优化问题的客观值。以菲律宾大米库存商品为例,验证了该方法的有效性。对不同的霍尔特温特斯法进行了检验,结果表明季节加性效应更适用于水稻存量数据。将该方法与其他模型进行了比较,结果令人满意。
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引用次数: 10
Pricing the PHEV Considering CVs of the Same Model as PHEV 考虑同款PHEV cv的PHEV定价
Xu Hu, Zhanjun Yang, Jun Sun
When original equipment manufacturers (OEM) introduced conventional vehicles (CVs) in the market and put plug-in hybrid electric vehicles (PHEV) into the market again, it faces another pricing decision. First of all, OEM needs to decide whether CVs should be repriced at the same time as PHEV is priced, or whether the original CVs pricing should be followed. OEM then needs to determine the specific retail price of each vehicle. In addressing this pricing issue, this paper takes into account the differences in consumer preferences for traffic privileges and environmental consciousness, and establishes a two-dimensional characteristics space. The study found that whether enterprises reprice CVs is related to the original retail price of CVs. At the same time, corporate profits are affected by a variety of policy factors. In particular, a moderately high purchase tax can improve corporate profits.
当原始设备制造商(OEM)在市场上推出传统汽车(cv)并再次推出插电式混合动力汽车(PHEV)时,它面临着另一个定价决策。首先,OEM需要决定是否在PHEV定价的同时对cv进行重新定价,还是按照原有的cv定价。然后,OEM需要确定每辆车的具体零售价格。为了解决这一定价问题,本文考虑了消费者对交通特权和环保意识偏好的差异,建立了二维特征空间。研究发现,企业是否对简历重新定价与简历的原始零售价格有关。同时,企业利润也受到多种政策因素的影响。特别是,适度高的购置税可以提高企业利润。
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引用次数: 0
Modeling of Chicken Production for Food Security in Indonesia 印度尼西亚粮食安全的鸡肉生产模型
I. Vanany, D. I. Maftuhah, Lalu Muhamad Jaelani, Granita Hajar, Ni Made Cyntia Utami
Indonesian food security for chicken production as staple protein foods is essential for ensuring the availability to be consumed by toddlers, teenagers, and adults. Ensuring a good price to farmers and a stable of chicken food for the customers also should be achieved. Chicken (meat and eggs) food is most consumed than beef food in Indonesia. Hence, this paper develops a modeling of chicken production for Indonesian protein food security to capture the causality between variables in corn supply, feed mill plant, chicken production, and customer demand system. Modeling of chicken production using Geographic Information System (GIS) approach and developing of system dynamics model are used in this study. The findings of this study suggests that corn productivity, feed mill production, fodder consumption for chicken, and chicken meat and eggs demand and stock as well are critical variables within the model.
印度尼西亚的粮食安全将鸡肉生产作为主食蛋白食品,这对于确保幼儿、青少年和成年人能够食用至关重要。还应确保农民获得良好的价格,并为消费者提供稳定的鸡肉食品。在印度尼西亚,鸡肉(肉和蛋)食品比牛肉食品消费最多。因此,本文为印尼蛋白质食品安全开发了一个鸡肉生产模型,以捕捉玉米供应、饲料加工厂、鸡肉生产和客户需求系统变量之间的因果关系。本文采用地理信息系统(GIS)方法对鸡生产过程进行建模,并建立系统动力学模型。本研究的结果表明,玉米产量、饲料厂产量、鸡肉饲料消费量、鸡肉蛋类需求和库存也是模型中的关键变量。
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引用次数: 7
Investigating the Effect of Partnerships on the Impact of Supply Chain Risks Upon Supply Chain Responsiveness 合作伙伴关系对供应链风险对供应链响应能力影响的影响研究
B. Zeng, B. Yen
In this paper, a model is proposed to explain the mechanism through which partnerships exert influence over Supply Chain Risks (SCRs), then affecting supply chain responsiveness. The analysis result reveals that the development of partnerships in supply chains may help reduce collaboration risks and relationship risks. The major contribution of this study lies in the way we connect partnerships with SCRs at the prospect of supply chain responsiveness. It allows us to demonstrate the benefits of viewing SCRs as a system and partnerships as an impacting factor. The model uncovers the detailed process how partnerships influence SCRs. Among the factors investigated, partnering depth is shown most critical in this process.
本文提出了一个模型来解释合作伙伴关系对供应链风险(SCRs)的影响,进而影响供应链响应的机制。分析结果表明,在供应链中发展伙伴关系有助于降低合作风险和关系风险。本研究的主要贡献在于我们将合作伙伴关系与供应链响应的前景联系起来的方式。它使我们能够展示将scr视为一个系统和将伙伴关系视为一个影响因素的好处。该模型揭示了伙伴关系如何影响scr的详细过程。其中,伙伴关系深度在这一过程中起着最重要的作用。
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引用次数: 0
Integrating Maximum Deviation Method and VIKOR for Evaluating Enterprise Performance in Semiconductor Industry 集成最大偏差法和VIKOR法评价半导体企业绩效
Chengmeng Chen
For maintaining their life quality in elderly period, citizens should take care of investment activity. Semiconductor industry is the most important economics industry in Taiwan. However, Taiwan semiconductor enterprise faces high risk because PRC-US trade war has been started. This research develops a framework by combining maximum deviation method and VIKOR to analyze, evaluate and understand the performance of Taiwan semiconductor industry. Our method can acquire stable result because the rank of each enterprise does not transform when decision mechanism coefficient changes. Finally, some conclusion, discussion and future research should be explained in last section.
为了保持老年人的生活质量,公民应该注意投资活动。半导体产业是台湾最重要的经济产业。然而,由于中美贸易战已经打响,台湾半导体企业面临着高风险。本研究将最大偏差法与VIKOR相结合,建立分析、评估与了解台湾半导体产业绩效的框架。当决策机制系数发生变化时,各企业的排名不会发生变化,因此该方法可以获得稳定的结果。最后,在最后一节对本文的结论、讨论和未来的研究进行了说明。
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引用次数: 0
Smart City Energy Trend Transformation in the Fourth Industrial Revolution Digital Disruption 第四次工业革命中的智慧城市能源趋势转型
A. Matheri, J. Ngila, C. K. Njenga, M. Belaid, N. J. V. Rensburg
The future of digital transformation of industrial platform and electricity lies on the electrification, decentralization and digitalization. Technologies are becoming commercially available to systems and services that can enable efficient and sustainable management of energy production and use. In short, smart cities can be defined as a city that uses IC'I's solutions such as smart sensors, cognitive learning, and context awareness to make life more comfortable, more efficient and more sustainable. A smart city is a sustainable and efficient urban center providing its inhabitants with a high quality of life through optimal management resources. This study examines how intelligent technologies and services can integrate local energy production and use to provide a more sustainable and efficient system. Due to rapid urbanization, energy management in smart cities is an essential challenge to tackle. Due to the complexity of the energy systems and their vital role, energy management is one of the most demanding issues within urban centers. Therefore, this problem needs to be devoted to considerable attention and effort. Optimized operations using predictive analytics, data mining and modeling are the main tools commonly used to evaluate the technological and policy impacts of smart solutions, as well as to plan the best ways to move from current to smarter cities. The reviews show energy-related work on smart city planning and operating models by classifying their scope into main areas of intervention: energy generation, infrastructure, energy storage, mobile internet, cloud technology, internet of things (IoT), autonomous and near autonomous vehicles, facilities, and intelligent transport system.
工业平台和电力数字化转型的未来在于电气化、去中心化和数字化。能够有效和可持续地管理能源生产和使用的系统和服务的技术正在变得商业化。简而言之,智慧城市可以定义为使用IC'I的解决方案(如智能传感器、认知学习和情境感知)使生活更舒适、更高效、更可持续的城市。智慧城市是一个可持续的、高效的城市中心,通过最优的资源管理为其居民提供高质量的生活。本研究探讨了智能技术和服务如何整合当地的能源生产和使用,以提供一个更可持续和高效的系统。由于城市化的快速发展,智慧城市的能源管理是一个需要解决的重要挑战。由于能源系统的复杂性及其重要作用,能源管理是城市中心最棘手的问题之一。因此,这个问题需要给予相当的重视和努力。使用预测分析、数据挖掘和建模来优化操作是评估智能解决方案的技术和政策影响以及规划从现有城市向智能城市转变的最佳方式的常用工具。这些评论展示了智慧城市规划和运营模式的能源相关工作,并将其范围划分为主要干预领域:能源生产、基础设施、能源存储、移动互联网、云技术、物联网(IoT)、自动驾驶和近自动驾驶汽车、设施和智能交通系统。
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引用次数: 6
Application of Lean Manufacturing Tools to Reduce Downtime in a Small Metalworking Facility 应用精益制造工具减少小型金属加工工厂的停机时间
Flor De-La-Cruz-Arcela, J. Martinez-Castillo, Ernesto Altamirano, J. Alvarez-Merino
This article analyzes the extensive downtimes found throughout the process of manufacturing metal structures, and how to minimize them in order to increase productivity. The overall process includes welding, beveling, and transfer to the assembly area, the three of which were identified as the most critical, because they have the highest downtimes. This downtime is generated by several factors, among which are a lack of order and cleanliness in the various work stations, and the absence of mechanisms to control production. A proposal was developed to improve the process of manufacturing brick dryer screens using Lean Manufacturing tools such as Kanban and 5'S to reduce downtimes and increase the profitability of the company. The results obtained through a simulation in Arena Software show an overall reduction of downtime by 62%.
本文分析了金属结构制造过程中广泛存在的停机时间,以及如何减少停机时间以提高生产率。整个过程包括焊接、倒角和转移到组装区域,这三个过程被认为是最关键的,因为它们的停机时间最长。这种停机是由几个因素造成的,其中包括各个工作站缺乏秩序和清洁,以及缺乏控制生产的机制。提出了一项建议,利用精益制造工具(如看板和5s)改进砖干燥机筛网的制造过程,以减少停机时间,提高公司的盈利能力。在Arena软件中进行的模拟结果显示,停机时间总体减少了62%。
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引用次数: 1
Online Learning Approaches for Science, Engineering and Technology in Distance Education 远程教育中科学、工程和技术的在线学习方法
M. Kanakana-Katumba, R. Maladzhi
Online learning has been adopted in distance education worldwide. The rise of the use of digital technology in teaching and learning has enabled distance education institutions to adopt online learning to reduce costs and improve student success. The purpose of this paper is to investigate appropriate teaching approaches that could be applied in an online learning model to achieve the desired success in student progress without reducing student autonomy. The results of this study indicate that cognitivism, social constructivism and connectivism form the basis of relevant teaching approaches in the 21st century with regard to curriculum and material design. The success of the students' learning is determined by the conducive environment created by the educators using technological means. Teaching approaches, such as community of practice, the integrative approach, apprentice and experiential learning, project- and problem-based approaches, as well as a competency-based approach, seem to dominate the Science, Engineering and Technology (SET) environment in the online teaching space. Students and their lecturers continue to engage after their formal interaction on an online platform.
在线学习已被广泛应用于远程教育中。数字技术在教学和学习中的应用的兴起使远程教育机构能够采用在线学习来降低成本并提高学生的成功。本文的目的是研究可以应用于在线学习模式的适当教学方法,以在不减少学生自主权的情况下实现学生进步的预期成功。研究结果表明,认知主义、社会建构主义和联系主义构成了21世纪课程和教材设计相关教学方法的基础。学生学习的成功与否,取决于教育者运用技术手段创造的有利环境。教学方法,如实践社区、综合方法、学徒和体验式学习、基于项目和问题的方法,以及基于能力的方法,似乎在在线教学空间的科学、工程和技术(SET)环境中占主导地位。学生和他们的讲师在在线平台上进行正式互动后继续参与。
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引用次数: 6
期刊
2019 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)
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