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Machine learning for predictive maintenance scheduling of distribution transformers 用于配电变压器预测性维护调度的机器学习
IF 1.5 Q2 Engineering Pub Date : 2022-01-24 DOI: 10.1108/jqme-06-2021-0052
Laura Isabel Alvarez Quiñones, Carlos Arturo Lozano-Moncada, Diego Alberto Bravo Montenegro
PurposeThe purpose of this paper is to describe a methodology that has been set up to schedule predictive maintenance of distribution transformers at Cauca Department (Colombia) using machine learning.Design/methodology/approachThe proposed methodology relies on classification predictive model that finds the minimal number of distribution transformers prone to failure. To verify this, the model was implemented and tested with real data in Cauca Department Colombia.FindingsThe implementation of the methodology allows a saving of 13% in corrective maintenance expenses for the year 2020.Originality/valueThe proposed model is an effective decision-making tool that provides an ideal solution for preventive maintenance scheduling problems for distribution transformers.
目的本文的目的是描述一种使用机器学习来安排考卡省(哥伦比亚)配电变压器预测性维护的方法。设计/方法论/方法论所提出的方法论依赖于分类预测模型,该模型可以找到最少量的易于发生故障的配电变压器。为了验证这一点,该模型在哥伦比亚考卡省的实际数据中进行了实施和测试。发现该方法的实施使2020年的纠正性维护费用节省了13%。独创性/价值所提出的模型是一种有效的决策工具,为配电变压器的预防性维护计划问题提供了理想的解决方案。
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引用次数: 3
Maintenance and sustainability: a systematic review of modeling-based literature 维护和可持续性:基于模型的文献的系统综述
IF 1.5 Q2 Engineering Pub Date : 2022-01-17 DOI: 10.1108/jqme-07-2021-0058
A. Saihi, M. Ben-Daya, R. As'ad
PurposeMaintenance is a critical business function with a great impact on economic, environmental and social aspects. However, maintenance decisions' planning has been driven by merely economic and technical measures with inadequate consideration of environmental and social dimensions. This paper presents a review of the literature pertaining to sustainable maintenance decision-making models supported by a bibliometric analysis that seeks to establish the evolution of this research over time and identify the main research clusters.Design/methodology/approachA systematic literature review, supported with a bibliometric and network analysis, of the extant studies is conducted. The relevant literature is categorized based on which sustainability pillar, or possibly multiple ones, is being considered with further classification outlining the application area, modeling approach and the specific peculiarities characterizing each area.FindingsThe review revealed that maintenance and sustainability modeling is an emerging area of research that has intensified in the last few years. This fertile area can be developed further in several directions. In particular, there is room for devising models that are implementable, based on reliable and timely data with proven tangible practical results. While the environmental aspect has been considered, there is a clear scarcity of works addressing the social dimension. One of the identified barriers to developing applicable models is the lack of the required, accurate and timely data.Originality/valueThis work contributes to the maintenance and sustainability modeling research area, provides insights not previously addressed and highlights several avenues for future research. To the best of the authors' knowledge, this is the first review that looks at the integration of sustainability issues in maintenance modeling and optimization.
维护是一项重要的业务功能,对经济、环境和社会方面都有很大的影响。然而,维护决策的规划仅仅是由经济和技术措施驱动的,没有充分考虑环境和社会因素。本文通过文献计量分析,回顾了与可持续维护决策模型相关的文献,旨在建立这一研究随时间的演变,并确定主要的研究集群。设计/方法/方法对现有研究进行了系统的文献综述,并辅以文献计量学和网络分析。相关文献根据正在考虑的可持续性支柱或可能的多个支柱进行分类,并进一步分类概述应用领域,建模方法和表征每个领域的具体特点。研究结果回顾表明,维护和可持续性建模是一个新兴的研究领域,在过去几年中得到了加强。这个肥沃的地区可以在几个方向上进一步开发。特别是,有空间设计可执行的模式,以可靠和及时的数据为基础,并证明有切实的实际结果。虽然已经考虑了环境方面,但解决社会层面的作品明显缺乏。开发适用模型的障碍之一是缺乏所需的、准确的和及时的数据。独创性/价值这项工作为维护和可持续性建模研究领域做出了贡献,提供了以前未解决的见解,并为未来的研究提供了几个途径。据作者所知,这是第一个将可持续性问题整合到维护建模和优化中的综述。
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引用次数: 13
Service-based business models in the Swedish railway industry 以服务为基础的商业模式在瑞典铁路行业
IF 1.5 Q2 Engineering Pub Date : 2021-12-21 DOI: 10.1108/jqme-06-2021-0051
M. Kans, Anders Ingwald
PurposeThe purpose is to describe new business opportunities within the Swedish railway industry and to support the development of business models that corresponds with the needs and requirements of Industry 4.0, here denoted as Service Management 4.0.Design/methodology/approachThe study is an in-depth and descriptive case study of the Swedish railway system with specific focus on a railway vehicle maintainer. Public reports, statistics, internal documents, interviews and dialogues forms the basis for the empirical findings.FindingsThe article describes the complex business environment of the deregulated Swedish railway industry. Main findings are in the form of identified business opportunities and new business model propositions for one of the key actors, a vehicle maintainer.Originality/valueThe article provides valuable understanding of business strategy development within complex business environments and how maintenance related business models could be developed for reaching Service Management 4.0.
目的:目的是描述瑞典铁路行业的新商业机会,并支持与工业4.0(此处表示为服务管理4.0)的需求和要求相对应的商业模式的开发。设计/方法/方法本研究是对瑞典铁路系统的深入和描述性案例研究,特别关注铁路车辆维修人员。公开报告、统计数据、内部文件、访谈和对话构成了实证研究结果的基础。文章描述了解除管制的瑞典铁路行业的复杂商业环境。主要的发现形式是确定的商业机会和新的商业模式主张的关键角色之一,一个汽车维修工。原创性/价值本文对复杂业务环境中的业务策略开发以及如何开发与维护相关的业务模型以实现Service Management 4.0提供了有价值的理解。
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引用次数: 2
Preventive maintenance planning considering machines’ reliability using group technology 基于成组技术的机器可靠性预防性维修计划
IF 1.5 Q2 Engineering Pub Date : 2021-12-17 DOI: 10.1108/jqme-12-2019-0118
Farouq Alhourani, Jean C. Essila, Bernie Farkas
PurposeThe purpose of this paper is to develop an efficient and effective preventive maintenance (PM) plan that considers machines’ maintenance needs in addition to their reliability factor.Design/methodology/approachSimilarity coefficient method in group technology (GT) philosophy is used. Machines’ reliability factor is considered to develop virtual machine cells based on their need for maintenance according to the type of failures they encounter.FindingsUsing similarity coefficient method in GT philosophy for PM planning results in grouping machines based on their common failures and maintenance needs. Using machines' reliability factor makes the plan more efficient since machines will be maintained at the same time intervals and when their maintenance is due. This helps to schedule a standard and efficient maintenance process where maintenance material, tools and labor are scheduled accordingly.Practical implicationsThe proposed procedure will assist maintenance managers in developing an efficient and effective PM plans. These maintenance plans provide better inventory management for the maintenance materials and tools needed using the developed virtual machine cells.Originality/valueThis paper presents a new procedure to implement PM using the similarity coefficient method in GT. A new similarity coefficient equation that considers machines reliability is developed. Also a clustering algorithm that calculates the similarity between machine groups and form virtual machine cells is developed. A numerical example adopted from the literature is solved to demonstrate the proposed heuristic method.
本文的目的是制定一个高效和有效的预防性维护(PM)计划,该计划除了考虑机器的可靠性因素外,还考虑机器的维护需求。设计/方法/方法采用群技术(GT)哲学中的相似系数法。考虑机器的可靠性因素,根据它们遇到的故障类型,根据它们的维护需求来开发虚拟机单元。发现采用GT思想中的相似系数法进行维修计划,可以根据常见故障和维修需求对机器进行分组。使用机器的可靠性因素使计划更有效,因为机器将在相同的时间间隔和维护时间内进行维护。这有助于安排一个标准和有效的维护过程,其中维护材料,工具和人工相应安排。实际意义建议的程序将帮助维护经理制定高效和有效的PM计划。这些维护计划为使用开发的虚拟机单元所需的维护材料和工具提供了更好的库存管理。本文提出了一种利用相似系数法实现机械制造的新方法,并建立了考虑机械可靠性的相似系数方程。同时提出了一种计算虚拟机组和虚拟机单元之间相似度的聚类算法。通过文献中的一个数值算例对所提出的启发式方法进行了验证。
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引用次数: 2
A review on the identification of total productive maintenance critical success factors for effective implementation in the manufacturing sector 关于确定制造业有效实施全面生产性维护的关键成功因素的审查
IF 1.5 Q2 Engineering Pub Date : 2021-12-16 DOI: 10.1108/jqme-11-2020-0118
Sudhir Chaurey, S. D. Kalpande, R.C. Gupta, L. K. Toke
PurposeThe purpose of this paper is to carry out the literature search on manufacturing organizations and total productive maintenance (TPM). This research aims at studying TPM attributes and barriers in line with the TPM framework for effective implementation of TPM. This study identifies the barriers in TPM implementation and the critical success factors (CSFs) for effective TPM implementation.Design/methodology/approachIn this manuscript, the study of TPM in the manufacturing sector has been considered a broad area of the research and emphasis on the TPM literature review, which primarily relates to the contribution of manufacturing sector and employment availability. Next sections covers TPM history, importance, justification, pillars, obstacles and TPM implementation procedure and models. Thereafter author identified the gaps in existing literature.FindingsThe existing literature shows that very few TPM implementation models are available for the manufacturing sector. The study also found that there is no systematically conducted large-scale empirical research which deals with TPM implementation. In order to bridge this gap, an investigation into the successful implementation of TPM in is truly needed. The finding of the literature shows that there is a need of TPM model specially developed for the manufacturing sector. The identified critical factors derived from the extensive literature review help to overcome the barriers for effective TPM implementation.Research limitations/implicationsThis review study is limited to Indian manufacturing industries. The identified TPM CSFs are based on the TPM pillars and their sub-factors. This cross-sectional study was based on the existing TPM model.Practical implicationsThis paper can increase the significance of TPM strategy, which could help managers of organizations to have a better understanding of the benefits of implementing TPM and therefore enable patient satisfaction within their organizations.Originality/valueThe literature review covers methodical identification of TPM barriers and critical factors for maintenance performance improvements. It allows the practitioners to apply these identified CSFs for TPM implementation to achieve an improvement in industrial performance and competitiveness.
目的对制造业组织与全面生产维护(TPM)进行文献检索。本研究旨在研究符合TPM框架的TPM属性和障碍,从而有效实施TPM。本研究确定了实施TPM的障碍和有效实施TPM的关键成功因素(CSFs)。设计/方法/方法在这篇手稿中,对制造业中TPM的研究被认为是一个广泛的研究领域,并强调了TPM的文献综述,这主要涉及到制造业和就业机会的贡献。接下来的部分将介绍TPM的历史、重要性、理由、支柱、障碍以及TPM实施过程和模型。然后,作者确定了现有文献中的空白。现有的文献表明,很少有TPM实施模型可用于制造业。研究还发现,目前还没有针对TPM实施进行系统的大规模实证研究。为了弥补这一差距,有必要对TPM的成功实施进行调查。文献的发现表明,有必要为制造业专门开发TPM模型。从广泛的文献综述中确定的关键因素有助于克服有效实施TPM的障碍。研究局限性/意义本综述研究仅限于印度制造业。已识别的TPM csf基于TPM支柱及其子因素。本横断面研究是基于现有的TPM模型。本文可以提高TPM策略的重要性,帮助组织管理者更好地了解实施TPM的好处,从而提高组织内部的患者满意度。原创性/价值文献综述涵盖了系统地识别TPM障碍和维护性能改进的关键因素。它允许从业者将这些确定的csf应用于TPM实施,以实现工业绩效和竞争力的改进。
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引用次数: 13
Factors influencing sustainable maintenance in manufacturing industries 影响制造业可持续维修的因素
IF 1.5 Q2 Engineering Pub Date : 2021-12-10 DOI: 10.1108/jqme-05-2021-0038
M. Suresh, R. Dharunanand
PurposeThis paper intends to discover, analyze and construct a model that may be used to measure the interactions between major factors which are identified by expert opinion and literature review for sustainable maintenance specific to manufacturing industries using the total interpretive structural modeling (TISM) approach.Design/methodology/approachIn total, 12 factors were acknowledged from the literature review and the opinions of experts from manufacturing industries. Scheduled interviews with the employees were conducted by using the questionnaire which is developed from the identified 12 factors in order to find the interrelationships among these factors. The TISM approach is used for analyzing factors' interrelationships. The Matrice d'Impacts Croises Multiplication Appliques a un Classement (MICMAC) approach is used to identify the key factors which influence sustainable maintenance.FindingsThis paper found 12 factors that have ascendancy over the sustainable maintenance practices in the industry by reviewing the literature and consulting industry experts to realize the linkage between the factors. The results found that availability rate, adopting government policies, training and education are key factors that influence sustainable maintenance.Practical implicationsThe proposed model would be valuable for experts to understand the factors influencing sustainable maintenance in the industry. This model can be used by an organization's maintenance managers to implement sustainable maintenance practices in their plants.Originality/valueThis study analyzes the interrelationship between factors influencing sustainable maintenance in manufacturing industries, which is a new effort in this domain of practice.
目的利用总解释结构模型(total interpretive structural modeling,简称TISM)方法,发现、分析并构建一个模型,用于衡量专家意见和文献综述确定的制造业可持续维护主要因素之间的相互作用。设计/方法/方法从文献综述和制造业专家的意见中共确认了12个因素。为了找到这些因素之间的相互关系,使用从确定的12个因素中开发的问卷对员工进行了定期访谈。TISM方法用于分析各因素之间的相互关系。采用影响矩阵法(matrix d’impacts Croises Multiplication Appliques a Classement, MICMAC)识别影响可持续维护的关键因素。通过查阅文献和咨询行业专家,本文发现了12个对行业可持续维护实践具有优势的因素,实现了这些因素之间的联系。结果发现,可用性、政府政策的采用、培训和教育是影响可持续维护的关键因素。实际意义所提出的模型将有助于专家了解影响行业可持续维护的因素。这个模型可以被组织的维护经理用来在他们的工厂实施可持续的维护实践。原创性/价值本研究分析了影响制造业可持续维护的因素之间的相互关系,是这一实践领域的新尝试。
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引用次数: 4
Reliability of quantitative risk analysis through an industrial case study 通过工业案例研究定量风险分析的可靠性
IF 1.5 Q2 Engineering Pub Date : 2021-11-30 DOI: 10.1108/jqme-03-2021-0022
Mohamed Attia, J. Sinha
PurposeThe purpose of this paper is to analyze the reliability of the quantitative risk model used for planning inspection and maintenance activities. The objective is to critically discuss the factors that contribute to the probability and consequence of failure calculations.Design/methodology/approachThe case study conducted using one of the most widely deployed risk models in the oil and gas industry where a full assessment was performed on an offshore gas producing platform.FindingsThe generic failure frequencies used as the basis for calculating the probability of failure are set at a value representative of the refining and petrochemical industry's failure data. This failure database does not cover offshore. The critical discussion indicated the lack of basis of the coefficient of variances, prior probabilities and conditional probabilities. Moreover, the risk model does not address the distribution of thickness measurements, corrosion rates and inspection effectiveness, whereas only overall deterministic values are used; this requires judgment to determine these values. Probabilities of ignition, probabilities of delayed ignition and other probabilities in Level 1 event tree are found selected based on expert judgment for each of the reference fluids and release types (i.e. continuous or instantaneous). These probabilities are constant and independent of the release rate or mass and lack of constructed model. Defining the release type is critical in the consequence of the failure methodology, whereas the calculated consequences differ greatly depending on the type of release, i.e. continuous or instantaneous. The assessment results show that both criteria of defining the type of release, i.e. continuous or instantaneous, do not affect the calculations of flammable consequences when the auto-ignition likely is zero at the storage temperature. While, the difference in the resulted toxic consequence was more than 31 times between the two criteria of defining the type of release.Research limitations/implicationsThere is a need to revamp this quantitative risk model to minimize the subjectivity in the risk calculation and to address the unique design features of offshore platforms.Originality/valueThis case study critically discuss the risk model being widely applied in the O&G industry and demonstrates to the end-users the subjectivity in the risk results. Hence, be vigilant when establishing the risk tolerance/target for the purpose of inspection and maintenance planning.
目的本文的目的是分析用于规划检查和维护活动的定量风险模型的可靠性。目的是批判性地讨论影响失效计算概率和后果的因素。设计/方法/方法使用石油和天然气行业中部署最广泛的风险模型之一进行的案例研究,其中对海上天然气生产平台进行了全面评估。发现用作计算故障概率基础的通用故障频率设置为炼油和石化行业故障数据的代表值。此故障数据库不包括海上故障。批判性的讨论表明方差系数、先验概率和条件概率缺乏依据。此外,风险模型没有涉及厚度测量值、腐蚀率和检查有效性的分布,而只使用总体确定性值;这需要判断来确定这些值。1级事件树中的点火概率、延迟点火概率和其他概率是根据每种参考流体和释放类型(即连续或瞬时)的专家判断选择的。这些概率是恒定的,与释放速率或质量无关,并且缺乏构建的模型。在失效方法的后果中,定义释放类型至关重要,而计算的后果因释放类型(即连续或瞬时)而异。评估结果表明,当储存温度下自燃可能为零时,定义释放类型的两个标准,即连续或瞬时,都不会影响易燃后果的计算。然而,在定义释放类型的两个标准之间,所产生的毒性后果的差异超过31倍。研究局限性/含义需要改进这种定量风险模型,以最大限度地减少风险计算中的主观性,并解决海上平台的独特设计特征。独创性/价值本案例研究批判性地讨论了在油气行业广泛应用的风险模型,并向最终用户展示了风险结果的主观性。因此,在为检查和维护规划目的建立风险容忍度/目标时要保持警惕。
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引用次数: 2
Multi-objective maintenance planning under preventive maintenance 预防性维修下的多目标维修计划
IF 1.5 Q2 Engineering Pub Date : 2021-11-23 DOI: 10.1108/jqme-05-2021-0035
A. Al-Refaie, Hiba Almowas
PurposeThis research developed and examined a mathematical model for concurrent corrective and preventive maintenance policy of a system of series configuration.Design/methodology/approachA mathematical model was developed to maximize availability, and maximal net revenues, and minimal cost. Different probability distributions for time to failure and time to repair were considered. The model was then implemented on a real case study, which was studied under corrective maintenance policy and concurrent corrective and preventive policy.FindingsA comparison between results at current policy (90 days) and optimal period of corrective and preventive policy was conducted. It was found that availability, profit was increased from 94.4% and $20.091 – 96.5% and $24.803, respectively. Further, the cost was reduced from $1104.8 to $797.22.Research limitations/implicationsThe proposed optimization model can be adopted in planning maintenance activities for a single machine as well as for a system of series configuration machines under various probability distributions.Practical implicationsThe proposed model can significantly enhance performance of the production as well as maintenance systems. In addition, the developed model may support maintenance engineering in effective management of maintenance resources and the performance of its activities.Originality/valueThis research considers a mathematical model with multi-objective functions and distinct probability distributions for time-to-failure for a system of series machines. Moreover, appropriate approximation solution was deployed to find integral of some functions. Finally, it provides maintenance planning for a single machine or a series of machines.
目的本研究建立并检验了串联配置系统并行纠正和预防性维护策略的数学模型。设计/方法/方法开发了一个数学模型,以最大限度地提高可用性、最大限度地实现净收入和最低成本。考虑了故障时间和修复时间的不同概率分布。然后,在实际案例研究中实施了该模型,并在纠正性维护政策和同时纠正和预防政策下进行了研究。结果对现行政策(90天)的结果与纠正和预防政策的最佳期限进行了比较。研究发现,可用性和利润分别从94.4%和20.091美元增加到96.5%和24.803美元。此外,成本从1104.8美元降低到797.22美元。研究局限性/含义所提出的优化模型可用于规划各种概率分布下单机以及串联配置机器系统的维护活动。实际意义所提出的模型可以显著提高生产和维护系统的性能。此外,所开发的模型可以支持维修工程对维修资源及其活动的有效管理。原创性/价值本研究考虑了一个具有多目标函数和不同概率分布的数学模型,用于串联机器系统的故障时间。此外,还利用适当的近似解来求某些函数的积分。最后,它为单个机器或一系列机器提供维护计划。
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引用次数: 1
Improving quality of maintenance task for milk powder manufacturing unit through TOPSIS 利用TOPSIS提高奶粉生产单元维修任务质量
IF 1.5 Q2 Engineering Pub Date : 2021-10-28 DOI: 10.1108/jqme-04-2021-0028
Nilesh Pancholi, Hiren Gajera, Darshit R. Shah
PurposeThe purpose of this paper is to explore the possibilities of improving the quality of existing maintenance task of the atomizer of milk powder manufacturing unit of a dairy plant. Looking to the past business volume and expected growth, the milk powder manufacturing unit forms a noticeable sector of processing plant. The lack of quality in maintenance standards leads to reliability losses of about 20–25% with low productivity and profit. Such facts and challenges of keeping the system in ready-state motivate a definite maintenance plan to be modeled based on a live failure analysis to be executed during shutdown or scheduled period.Design/methodology/approachThe deliverables are achieved by collecting the historical failure data i.e. downtime and failure frequencies; from January 2020 to July 2020 at Dudhsagar dairy, Gujarat, India. Reliability modeling is done in a view to understand the failure pattern behavior of the milk powder manufacturing unit. The atomizer is discriminated as a critical component based on these data and their functional failures, failure causes, effects and repercussions of failures with existing control and maintenance practices has been modeled based on live shop-floor study. Scores are assigned on 1 to 10 levels by analyzing attributes effects from lowest to highest concern respectively for every modes of failure through realistic brain-storming among maintenance team by incorporating some advanced attributes like maintainability, economic safety, economic cost and spares with basic criteria in this study. The maintainability criticality index (MCI) is narrated by these score values through multi-attribute decision-making (MADM) based failure analysis models like Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS).FindingsThe primary findings of this research work are to propose improvements in the quality of the maintenance plan of critical component like; atomizer of a milk powder manufacturing unit which is commonly representing critical component in a major range of industrial processes. The case study recommended four silent maintenance strategies i.e. scheduled maintenance scheduled discard, scheduled failure finding and redesign as a qualified maintenance plan for the atomizer based on MCI and rankings of its potential failure causes. The results are helpful in upgrading quality standards for the maintenance activities of a process industry of alike or of dissimilar kinds in accordance with the failure analysis.Originality/valueOriginality mainly consists of investigating the scope of enhancing the existing maintenance practices through actual failure analysis with the help of TOPSIS. The criteria employed in this study are probability of chances of failure, degree of detectability and degree of severity as basic criteria along with some advanced criteria like; maintainability, spare parts, economic cost, economic safety are selected based on the outcome of shop-floor study and reli
目的探讨提高某乳品厂奶粉生产装置雾化器现有维修任务质量的可能性。从过去的业务量和预期增长来看,奶粉生产单位是加工厂中一个引人注目的部门。维修标准缺乏质量导致可靠性损失约20-25%,生产率和利润低。这些保持系统处于就绪状态的事实和挑战,促使我们根据停机或计划期间执行的实时故障分析,制定明确的维护计划。设计/方法/途径通过收集历史故障数据(即停机时间和故障频率)来实现可交付成果;2020年1月至2020年7月,在印度古吉拉特邦的Dudhsagar奶牛场。建立了可靠性模型,以了解奶粉生产单元的失效模式行为。基于这些数据,雾化器被区分为一个关键部件,它们的功能故障、故障原因、影响和故障的影响都是基于现场车间研究的现有控制和维护实践建模的。通过实际的维护团队头脑风暴,将可维护性、经济安全性、经济成本、备件等高级属性与本研究的基本标准结合,从关注度最低到关注度最高,对每种故障模式分别进行属性效应分析,并给出1 - 10个等级的评分。通过基于多属性决策(MADM)的故障分析模型,如TOPSIS (technical for Order of Preference by Similarity to Ideal Solution),将可维护性临界指数(MCI)表示为这些评分值。本研究工作的主要发现是提出了关键部件维修计划质量的改进方案,如;奶粉生产单位的雾化器,通常代表主要工业过程中的关键部件。案例研究推荐了四种无声维护策略,即定期维护,定期丢弃,定期故障发现和重新设计,作为基于MCI及其潜在故障原因排名的合格维护计划。研究结果有助于根据故障分析提高过程工业类似或不同类型维修活动的质量标准。原创性/价值原创性主要包括在TOPSIS的帮助下,通过实际故障分析,调查现有维修实践的改进范围。本研究采用的标准是失败的机会概率、可检测程度和严重程度作为基本标准,以及一些高级标准,如;根据车间研究结果和可靠性建模,选择可维护性、备件、经济成本、经济安全性。记录了奶粉生产单位过去的显著故障统计数据(停机时间,故障频率),并根据可靠性对这些数据进行分析,以提取一个说明性组件,即雾化器。
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引用次数: 1
The value of TPM for Portuguese companies TPM对葡萄牙公司的价值
IF 1.5 Q2 Engineering Pub Date : 2021-10-28 DOI: 10.1108/jqme-12-2020-0121
Eduardo Vaz, José Carlos Vieira De Sá, Gilberto Santos, Florbela Correia, P. Ávila
PurposeThe purpose of this paper is to assess the impact of a maintenance philosophy, Total Productive Maintenance (TPM), on the operational performance of the Portuguese industry, identifying how it enables the systematic reduction of waste in maintenance.Design/methodology/approachA structured questionnaire was constructed and sent to 472 Portuguese enterprises, having obtained a sample constituted of 84 valid answers. With a five-point Likert scale, it was possible to assess the impact of the TPM on five operational performance dimensions, being them: quality, flexibility, productivity, safety and costs.FindingsIt was found that the planned maintenance, together with education and training are the practices with the highest degree of implementation in the Portuguese industry, exceeding 70% for both. The productivity is the dimension with a higher degree of impact from the implementation of TPM and costs the dimension that suffered a lesser impact.Practical implicationsThis paper shows and analyses the current state of TPM implementation in the Portuguese industry and it will be useful for maintenance professionals, researchers and others concerned with maintenance, in order to understand the effects of TPM implementation on the operational performance of the Portuguese industries.Originality/valueThe findings from this paper will be valuable for professionals who desire and are looking forward to implement an effective maintenance approach in the maintenance management system, in order to achieve the excellence in maintenance.
本文的目的是评估维护理念,全面生产性维护(TPM)对葡萄牙工业运营绩效的影响,确定它如何能够系统地减少维护中的浪费。设计/方法/方法编制了一份结构化问卷,发给472家葡萄牙企业,获得了84个有效答案的样本。使用李克特五点量表,可以评估TPM对五个运营绩效维度的影响,即质量、灵活性、生产力、安全性和成本。调查结果发现,计划维护以及教育和培训是葡萄牙行业实施程度最高的做法,两者的实施程度都超过了70%。生产力是受TPM实施影响较大的维度,而成本是受影响较小的维度。本文展示并分析了葡萄牙工业实施TPM的现状,对于维护专业人员、研究人员和其他与维护有关的人来说,为了了解TPM实施对葡萄牙工业运营绩效的影响,这将是有用的。原创性/价值本论文的研究结果将对希望在维修管理系统中实施有效维修方法的专业人员有价值,以实现卓越的维修。
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引用次数: 4
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Journal of Quality in Maintenance Engineering
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