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Supply chain risk assessment and mitigation under the global pandemic COVID-19 全球大流行病 COVID-19 下的供应链风险评估与缓解
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-12-02 DOI: 10.4995/ijpme.2024.19240
Ala H. Bani-Irshid, Mohammad M. Hamasha, Lubna Al-Nsour, Lana Mohammad, Anfal Al-Dabaibeh, Raya Al-Majali, Hala Al-Daajeh
Supply chain (SC) disruptions were massive in 2020, with many manufacturers forced to close their operations temporarily. The coronavirus pandemic (COVID-19) has changed the way enterprises perceive risks and the potential effect on their supply chain. Many enterprises are now very dependent on third-party services, so it is necessary to adapt to sustainability challenges. This paper aims to provide a detailed review of research related to risk assessment and mitigation of the SC under lockdown due to COVID-19. Then, it identifies risks associated with supply chains (SCs) during the pandemic using the Failure Mode Effect Analysis. Finally, it suggests improvements to have a fully resilient supply chain. In addition, it explored Supply Chain Resilience (SCR), its phases, and strategies by examining an enterprise that managed COVID-19 pandemic disruptions and turned their potential losses into revenue. Furthermore, we discussed a case study where the enterprise increased its total income by nearly $1 million.
2020年,供应链中断严重,许多制造商被迫暂时关闭业务。冠状病毒大流行(COVID-19)改变了企业感知风险的方式及其对供应链的潜在影响。许多企业现在非常依赖第三方服务,因此有必要适应可持续性的挑战。本文旨在详细回顾2019冠状病毒病封锁下SC风险评估和缓解相关研究。然后,它使用失效模式效应分析识别大流行期间与供应链相关的风险。最后,它建议改进,以建立一个完全有弹性的供应链。此外,通过对一家管理COVID-19大流行中断并将潜在损失转化为收入的企业进行研究,探讨了供应链弹性(SCR)、其阶段和战略。此外,我们讨论了一个案例研究,该企业增加了近100万美元的总收入。
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引用次数: 0
Heijunka-Levelling customer orders: A systematic literature review Heijunka-平整客户订单:系统性文献综述
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-11-26 DOI: 10.4995/ijpme.2024.19279
Meryem Boutbagha, Laila El Abbadi
Heijunka is the central concept of the Toyota Production System which aims to maintain both flexibility and stability of the production system by producing the same quantity of products every time interval (a day, a shift, an hour, etc.). This study is a systematic literature review whose objective is to give an idea about the most important research areas regarding this concept and to propose an agenda for further research. A total of 60 articles were reviewed using specified inclusion and exclusion criteria. The review showed that heijunka received little attention in the academic literature and disclosed the existence of three main research topics, namely: Implementation of heijunka and its benefits, Heijunka-related problem-solving using optimization, and Heijunka and Industry 4.0 technologies. This review could have some limitations related to the number of reviewed articles. It is possible that, unintentionally, some important articles haven’t been included.
平准化是丰田生产方式的核心理念,其目的是通过在每个时间间隔(一天、一班、一小时等)生产相同数量的产品,保持生产系统的灵活性和稳定性。本研究是一项系统的文献综述,目的是了解有关这一概念的最重要的研究领域,并提出进一步研究的议程。通过特定的纳入和排除标准,共对 60 篇文章进行了审查。综述显示,heijunka 在学术文献中很少受到关注,并揭示了三个主要研究课题,即实施 Heijunka 及其益处、使用优化方法解决与 Heijunka 相关的问题,以及 Heijunka 和工业 4.0 技术。本综述可能存在一些与综述文章数量有关的局限性。一些重要的文章可能无意中没有包括在内。
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引用次数: 0
Hybrid genetic algorithm to minimize scheduling cost with unequal and job dependent earliness tardiness cost 具有不相等和作业相关的早迟到成本最小化的混合遗传算法
Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-11-02 DOI: 10.4995/ijpme.2024.19277
Prasad Bari, Prasad Karande, Vaidehi Bag
This article presents two combinatorial genetic algorithms (GA), unequal earliness tardiness-GA (UET-GA) and job-dependent earliness tardiness-GA (JDET-GA) for the single-machine scheduling problem to minimize earliness tardiness (ET) cost. The sequence of jobs produced in basic UET and JDET as a chromosome is added to the random population of GA. The best sequence from each epoch is also injected as a population member in the subsequent epoch. The proposed improvement seeks to achieve convergence in less time to search for an optimal solution. Although the GA has been implemented very successfully on many different types of optimization problems, it has been learnt that the algorithm has a search ability difficulty that makes computations NP-hard for types of optimization problems, such as permutation-based optimization problems. The use of a plain random population initialization results in this flaw. To reinforce the random population initialization, the proposed enhancement is utilized to obtain convergence and find a promising solution. The cost is further significantly lowered offering the due date as a decision variable with JDET-GA. Multiple tests were run on well-known single-machine benchmark examples to demonstrate the efficacy of the proposed methodology, and the results are displayed by comparing them with the fundamental UET and JDET approaches with a notable improvement in cost reduction.
针对单机调度问题,提出了两种组合遗传算法:不等早发延迟遗传算法(UET-GA)和作业依赖早发延迟遗传算法(JDET-GA),以最小化早发延迟成本。将基本UET和JDET中产生的工作序列作为染色体添加到遗传算法的随机种群中。每个epoch的最佳序列也作为种群成员注入到下一个epoch。提出的改进寻求在更短的时间内实现收敛,以寻找最优解。尽管遗传算法已经在许多不同类型的优化问题上得到了非常成功的实现,但据了解,该算法具有搜索能力困难,使得计算np困难的优化问题类型,如基于排列的优化问题。使用普通的随机总体初始化会导致这个缺陷。为了加强随机种群初始化,利用所提出的增强来获得收敛性并找到一个有希望的解。使用JDET-GA将到期日作为决策变量,可以进一步显著降低成本。在知名的单机基准示例上运行了多个测试,以证明所提出方法的有效性,并将结果与基本的UET和JDET方法进行了比较,在降低成本方面取得了显着的进步。
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引用次数: 0
BASA: An improved hybrid bees algorithm for the single machine scheduling with early/tardy jobs BASA:一种改进的混合蜜蜂算法,用于具有早/晚作业的单机调度
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-07-31 DOI: 10.4995/ijpme.2023.18077
A. A. Abdessemed, L. Mouss, K. Benaggoune
In this paper, we present a novel hybrid meta-heuristic by enhancing the Basic Bees Algorithm through the integration of a local search method namely Simulated Annealing and Variable Neighbourhood Search like algorithm. The resulted hybrid bees algorithm (BASA) is used to solve the Single Machine Scheduling Problem with Early/Tardy jobs, where the generated outcomes are compared against the Basic Bees Algorithm (BA), and against some stat-of-the-art meta-heuristics. Computational results reveal that our proposed framework outperforms the Basic Bees Algorithm, and demonstrates a competitive performance compared with some algorithms extracted from the literature.
在本文中,我们提出了一种新的混合元启发式算法,通过集成一种局部搜索方法,即模拟退火和类可变邻域搜索算法,增强了基本Bees算法。所得到的混合蜜蜂算法(BASA)用于解决具有早期/延迟作业的单机调度问题,其中将生成的结果与基本蜜蜂算法(BA)和一些现有技术的元启发式进行比较。计算结果表明,我们提出的框架优于基本Bees算法,并且与从文献中提取的一些算法相比,具有竞争力。
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引用次数: 0
Green lean method to identify ecological waste in a nectar factory 用绿色精益法识别花蜜工厂中的生态废物
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-07-31 DOI: 10.4995/ijpme.2023.19598
Andrei Bancovich Erquínigo, Jorge Ortiz Porras, Harold Quintana Saavedra, Paola Crispin Chamorro, Rosiand Manrique Alva, Pedro Vilca Carhuapuma
Nowadays, the waste of resources has become one of the biggest problems for industries, due to the serious environmental, social and economic consequences it generates. Therefore, to ensure a production based on sustainable processes, it’s essential to have a responsible management of resources, being the first step one of the most important ones, the identification. Thus, the present research work aims to develop and implement a method based on the integration of Green and Lean methodologies to systematically identify ecological waste, taking as a case study a nectar factory in Lima - Peru. Through the implementation of tools such as Environmental Value Stream Mapping, Process Mapping or Failure Mode and Effects Analysis, it was found that the company generated a waste of 1584 litres of water and 38.5 kg of conditioned fruit every month. The identification of green waste is vital, as it is the first link in a long chain that contributes directly to improving the company's efficiency, profitability and reputation, as well as protecting the environment and promoting sustainable development.
如今,资源浪费已成为各行各业面临的最大问题之一,因为它会造成严重的环境、社会和经济后果。因此,要确保生产过程的可持续发展,就必须对资源进行负责任的管理,而第一步就是对资源进行识别。因此,本研究工作旨在开发和实施一种基于绿色和精益方法整合的方法,以秘鲁利马的一家花蜜工厂为例,系统地识别生态废物。通过实施环境价值流图、流程图或失效模式和影响分析等工具,发现该公司每月产生 1584 升水和 38.5 千克冷冻水果的浪费。识别绿色废物至关重要,因为它是一长串链条中的第一个环节,直接有助于提高公司的效率、盈利能力和声誉,以及保护环境和促进可持续发展。
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引用次数: 0
Principles of cellular manufacturing/engineering/management: case studies and explications 细胞制造/工程/管理原理:案例研究和解释
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-07-31 DOI: 10.4995/ijpme.2023.19426
R. Schonberger
Process improvement through cellular manufacturing, engineering, and management (CEM) is largely dated and neglected. This article aims at rejuvenating the topic through re-conceptualization in the form of twelve principles of workcell design, operation, and management, plus six corollary principles. An assessment model, based on the twelve principles is suggested for planning and evaluating proposed or operational CEM cases. Much of the attendant research emerges from published case studies, along with authors’ own extensive, on-site visitations and analyses. Collectively, an intent to present rationale for considering and treating the workcell/cellular construct as among the more significant concepts/methodologies within the field of manufacturing/engineering/production management.
通过单元制造、工程和管理(CEM)进行的过程改进在很大程度上已经过时并被忽视。本文旨在通过对工作单元设计、操作和管理的十二条原则以及六条必然原则的形式进行重新概念化,使主题重新焕发活力。提出了一个基于十二项原则的评估模型,用于规划和评估拟议或运营的CEM案例。伴随而来的研究大多来自已发表的案例研究,以及作者自己广泛的现场访问和分析。总的来说,旨在提出将工作单元/细胞结构视为制造/工程/生产管理领域中更重要的概念/方法的基本原理。
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引用次数: 0
The value chain approach in red biotechnology companies from a bibliometric perspective 从文献计量学的角度看红色生物技术公司的价值链方法
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-07-31 DOI: 10.4995/ijpme.2023.19135
Onailis Oramas Santos, L. Canós-Darós, E. Babiloni
This paper analyzes the value chain approach in the red biotechnology sector from a bibliometric perspective, using Scopus and Web of Science databases from 2011 to 2021. As a result, 82 documents that cover this topic are analyzed with VOSviewer and R studio. The main findings show that scientific interest increases with a positive publication trend during the considered time period. However, there are no authorship networks in both database. Furthermore, the main reason to use the value chain approach in the red biotech sector is that it highlights the government’s implication on the industry, given its social impact. As a research gap, we recommend to study the effects of Industry 4.0 on the red biotech value chain approach.
本文利用2011 - 2021年的Scopus和Web of Science数据库,从文献计量学的角度分析了红色生物技术领域的价值链方法。因此,使用VOSviewer和R studio分析了涵盖该主题的82个文档。主要发现表明,在考虑的时间段内,科学兴趣随着积极的出版趋势而增加。然而,在这两个数据库中都没有作者网络。此外,在红色生物技术领域使用价值链方法的主要原因是,鉴于其社会影响,它突出了政府对该行业的影响。作为研究缺口,我们建议研究工业4.0对红色生物技术价值链方法的影响。
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引用次数: 0
An industry maturity model for implementing Machine Learning operations in manufacturing 在制造业中实现机器学习操作的行业成熟度模型
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-07-31 DOI: 10.4995/ijpme.2023.19138
Miguel Angel Mateo Casalí, Francisco Fraile Gil, A. Boza, A. Nazarenko
The next evolutionary technological step in the industry presumes the automation of the elements found within a factory, which can be accomplished through the extensive introduction of automatons, computers and Internet of Things (IoT) components. All this seeks to streamline, improve, and increase production at the lowest possible cost and avoid any failure in the creation of the product, following a strategy called “Zero Defect Manufacturing”. Machine Learning Operations (MLOps) provide a ML-based solution to this challenge, promoting the automation of all product-relevant steps, from development to deployment. When integrating different machine learning models within manufacturing operations, it is necessary to understand what functionality is needed and what is expected. This article presents a maturity model that can help companies identify and map their current level of implementation of machine learning models.
该行业的下一个进化技术步骤假设工厂内的元件实现自动化,这可以通过广泛引入自动化、计算机和物联网(IoT)组件来实现。所有这些都寻求以尽可能低的成本精简、改进和增加生产,并遵循一项名为“零缺陷制造”的战略,避免产品生产中的任何失败。机器学习操作(MLOps)为这一挑战提供了一个基于ML的解决方案,促进了从开发到部署的所有产品相关步骤的自动化。在制造操作中集成不同的机器学习模型时,有必要了解需要什么功能和期望什么功能。本文提出了一个成熟度模型,可以帮助公司识别和映射其当前的机器学习模型实现水平。
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引用次数: 0
Two stages of halal food distribution model for perishable food products 两阶段清真食品易腐食品配送模式
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-06-08 DOI: 10.4995/ijpme.2023.18233
Dwi Agustina, Kurniawati, Muhammad Arief Rochman
Two stages of halal food distribution model for perishable food products are a mixed integer linear program (MILP) model proposed to solve the distribution problem of halal food, especially for perishable food products. The model can simultaneously minimize overstock, shortage, transportation, and deterioration costs. The model is developed into two stages. The first stage is the location-allocation model to determine the halal cluster and the number of suppliers in each cluster. The second stage is the vehicle routing model to determine the routing at each cluster. Numerical experiments are done using CPLEX Solver and the proposed model is applied to solve a real case of halal meat distribution in Yogyakarta. The results show that the proposed model can be used as a decision tool for supply chain and distribution managers to determine the strategy for distributing halal food products with the least total logistics cost for daily application.
两阶段清真食品易腐食品配送模型是为解决清真食品特别是易腐食品的配送问题而提出的混合整数线性规划(MILP)模型。该模型可以同时最小化库存积压、短缺、运输和变质成本。模型的发展分为两个阶段。第一阶段是定位-分配模型,确定清真集群和每个集群中的供应商数量。第二阶段是车辆路线模型,以确定每个集群的路线。利用CPLEX求解器进行了数值实验,并将所提出的模型应用于日惹市清真肉类配送的实际案例。结果表明,该模型可作为供应链和配送管理者的决策工具,用于确定日常应用中总物流成本最小的清真食品配送策略。
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引用次数: 0
Fulfillment costs in online grocery retailing: comparing retail store and warehouse strategies 在线杂货零售中的履行成本:比较零售店和仓库策略
IF 1.5 Q3 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2023-06-07 DOI: 10.4995/ijpme.2023.18442
M. Rodríguez-García, Ángel Ortiz Bas, J. C. Prado-Prado, A. Lyons
This study develops a framework that structures the operational costs of online grocery retailing in order to identify which is the most suitable e-fulfillment strategy. The cost framework was designed by applying time-driven activity-based costing (TDABC) and is based on the insights of two large European grocery retailers, which operate retail store and warehouse e-fulfillment strategies respectively. Cost information was collected, and activity-oriented process modeling was carried out in the field to identify the most relevant e-fulfillment cost drivers. For the retail store strategy, picking costs were the highest among e-fulfillment activities and up to twice as high as for the warehouse strategy. For the warehouse strategy, delivery costs were the highest and 50% higher than for the retail store strategy. Less studied logistics activities such as unpacking and reverse logistics all together accounted for up to one third of total expenses for both strategies. In omnichannel, operations and logistics managers must still ensure the profitability of the online channel if they want to succeed in the grocery business. This framework will help managers identify and estimate the most relevant cost drivers, and to allocate them to the main operational activities.
本研究开发了一个框架来构建在线杂货零售的运营成本,以确定哪种是最合适的电子履行策略。成本框架是通过应用时间驱动的作业成本法(TDABC)设计的,并基于两家大型欧洲杂货零售商的见解,这两家零售商分别经营零售商店和仓库的电子履行战略。收集了成本信息,并在现场进行了面向活动的流程建模,以确定最相关的电子履行成本驱动因素。对于零售商店策略,拣选成本是电子履行活动中最高的,高达仓库策略的两倍。仓库策略的配送成本最高,比零售店策略高出50%。研究较少的物流活动,如拆箱和逆向物流,总共占两种战略总费用的三分之一。在全渠道中,如果想在杂货业务中取得成功,运营和物流经理仍然必须确保在线渠道的盈利能力。这个框架将帮助管理人员识别和估计最相关的成本驱动因素,并将它们分配到主要的业务活动中。
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引用次数: 0
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International Journal of Production Management and Engineering
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