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Wyświetlanie 1-15 z 97
Tytuł:
General overview of maintenance strategies – concepts and approaches
Autorzy:
Gackowiec, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/2064749.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
maintenance
maintenance strategies
maintenance management
predictive maintenance
Opis:
This paper presents a literature review of maintenance strategies formulation. The purpose of this article is to provide an overview of different published concepts of maintenance strategies, distinguish the most common approaches to this issue and find a general tendency in strategies classification. Furthermore, the review is aimed to point out the importance of unscheduled downtime which might occur during equipment runtime in a production plant. The paper classifies the existing maintenance concepts and emphasizes key assumptions of the analysed strategies. The literature study and carried out analysis could be useful to find appropriate reliability assurance methods. In addition, defined maintenance approaches might help in decision making process in a company. The paper is a comprehensive overview of discussed strategies, which indicates the most frequent maintenance models in the analysed papers.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2019, 2, 1; 126--139
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maintenance strategy by controlled consumption of operational potential
Autorzy:
Pająk, M.
Woropay, M.
Powiązania:
https://bibliotekanauki.pl/articles/245408.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
exploitation
maintenance management
operational potential
Opis:
The main groups of processes executed during exploitation phase of a machine are service and operating processes. The main objective of the operating processes is a generation of machine's operation effects. While an objective of the service processes is a reconstruction of object's exploitation properties, which are necessary to proper machine operation. In the case of complex, crucial exploitation systems the service and operating processes can't beperformed in the same time. Then, it is necessary to implement adeąuate strategy of exploitation processes execution. According to carried out studies it was stated that the service and operating processes could be expressed as functions of an operational potential amount included in an exploitation system. It was also stated that execution of the exploitation processes according to the optimal maintenance strategy guaranties minimisation of an operational potential amount untransformed to effects of the exploitation system operation. In the case of the analysed class of complex, crucial, strategic exploitation systems the start moment of the service processes is defined a several months in advance. In this paper, the maintenance strategy by controlled consumption of operational potential is presented. The strategy is formulated as an optimal method of exploitation processes execution. It is especially useful in the case of complex systems where it should be make a most of the operational potential.
Źródło:
Journal of KONES; 2009, 16, 4; 367-374
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer-aided maintenance and reliability management systems for conveyor belts
Systemy informatycznego wspomagania eksploatacji i zapewnienia niezawodności przenośników taśmowych
Autorzy:
Mazurkiewicz, D.
Powiązania:
https://bibliotekanauki.pl/articles/301543.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
computer-aided maintenance management systems
belt conveyors
maintenance
computer aided maintenance management systems
przenośniki taśmowe
eksploatacja
Opis:
Operational reliability of conveyor transport systems is a problem that relates to the provision of an adequate level of availability of a continuous transport system, which in the case of belt conveyors depends not only on their usability, as determined by their design and manufacture, but also on the appropriate level of their use, understood, among others, as the degree of sophistication and effectiveness of the methods and tools applied in industrial diagnosis of those devices. The present article describes the most popular diagnostic systems used in the maintenance of internal transport conveyor systems. Also a new method of computer-aided maintenance of such systems is presented.
Niezawodność eksploatacyjna systemów transportu przenośnikowego, to zagadnienie dotyczące zapewnienia odpowiedniego poziomu gotowości systemu transportu ciągłego, który w przypadku przenośników taśmowych zależny jest nie tylko od ich walorów użytkowych, determinowanych zastosowanymi rozwiązaniami konstrukcyjnymi i wykonawstwem, ale też zależy w istotnym stopniu od właściwego poziomu ich użytkowania, rozumianego między innymi jako stopień zaawansowania i skuteczności zastosowanych metod i narzędzi diagnostyki przemysłowej. W artykule scharakteryzowano najpopularniejsze systemy diagnostyczne stosowane w eksploatacji przenośnikowych systemów transportu wewnątrzzakładowego. Zaprezentowano również nową metodę komputerowego wspomagania w utrzymaniu ruchu tego typu systemów.
Źródło:
Eksploatacja i Niezawodność; 2014, 16, 3; 377-382
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The analysis of usefulness of operational potential consumption models to control complex technical systems maintenance
Autorzy:
Pająk, M.
Powiązania:
https://bibliotekanauki.pl/articles/246382.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
exploitation
maintenance management
operational potential
modelling
Opis:
The carried on studies consider a crucial complex exploitation system of strategic importance from the national economy point of view. In case ofsuch class of systems, operation and service processes should be executed according to maintenance strategy named maintenance strategy by controlled consumption of operational potential. Thanks to it, optimal amount of operational potential included in the system can be transformed into the effect of the system operation. To execute exploitation processes according to the mentioned above strategy a model of operational potential consumption process should be implemented. The model estimates amount of operational potential consumed during exploitation processes execution. During carried out studies, models used to manage exploitation systems maintenance were identified. In the paper, identified models are divided into groups of analytical, stochastic and system ones. Next, usefulness of each group of models to control processes of exploitation phase of crucial complex strategic exploitation systems was discussed. As a result it was stated that it is necessary to create the universal system model, which can project influence of forcing factors on a s tate of technical object being a part of considered class of technical systems. In the paper, a structure of created universal system model was also proposed. This model was created by implementation the artificial intelligence techniques in form of genetic algorithms and fuzzy logic. Fuzzy logic was used to model approximate character of model input data and genetic algorithms were used to optimize a value of model output data.
Źródło:
Journal of KONES; 2010, 17, 2; 387-393
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Factor Analysis as a Means of Filtering Rams Indicators for Railway Vehicles
Autorzy:
Sitarz, Marek
Chruzik, Katarzyna
Graboń-Chałupczak, Marzena
Powiązania:
https://bibliotekanauki.pl/articles/503756.pdf
Data publikacji:
2017
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
Maintenance Management System RAMS
factor analysis
Opis:
European Commission Regulation (EU) No. 445/2011 regarding the system of certification for entities in charge of maintenance (ECM) of freight wagons requires such entities to supervise the condition of wagons, without specifying the methods of supervision to be used. Each ECM should establish a Maintenance Management System (MMS), which will include the obligation to monitor the fleet of freight wagons. Monitoring railway vehicle maintenance operations should include tracking all significant technical and operational indicators. The key question is which indicators are the have the greatest impact on safety. This paper discusses some issues related to the monitoring of maintenance operations for railway vehicles. It also looks at dedicated solutions for entities in charge of the maintenance for freight wagons based on PN-EN 50126:2002 standard and RAMS indicators (Reliability, Availability, Maintainability and Safety). This paper describes factor analysis of the proposed indicators as a means of selecting those that have a decisive impact on the correctness of the process for monitoring vehicles. This paper shows an example of the implementation of the requirements of the European Commission Regulation 445/2011 [3] regarding the monitoring of the state of railway vehicles and the possibility of using the information so gained as part of a process of continuous improvement. Reducing the number of indicators will reduce the amount of data needed to calculate all the RAMS indicators, without compromising the benefits of the rail vehicle monitoring system.
Źródło:
Logistics and Transport; 2017, 36, 4; 105-112
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perception on Preventive Maintenance in Civil Engineering Laboratory
Autorzy:
Ganiron Jr, Tomas U. Ganiron
Powiązania:
https://bibliotekanauki.pl/articles/1178757.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
ce laboratory materials engineering management
maintenance management
maintenance planning
safety precautions
Opis:
Preventive maintenance as a component of facilities maintenance system is to maximize the useful life of all laboratory system. This descriptive study aimed to assess the effectiveness of the preventive maintenance program of Civil Engineering Department in FEATI University. The individual respondents were drawn from the engineering students and faculty members, and employees of the respondent institution. These are the respondents who used the civil engineering laboratory. It utilized validated researcher-made questionnaire, unstructured interview, and documentary analysis as its data gathering instruments. The data gathered were treated using frequency and percentage count.
Źródło:
World Scientific News; 2017, 61, 2; 137-149
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Extending the Scope of ECM Certification
Autorzy:
Gamon, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/504632.pdf
Data publikacji:
2019
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
Maintenance Management Systems (MMS)
Entity in charge of maintenance (ECM)
Opis:
The Commission Regulation (EU) No 445/2011 introduced requirements on certification system for Entities in Charge of Maintenance (ECM). It contains requirements regarding the need to create and, more importantly, verify by the certifying body of the Maintenance Management System (MMS). It assumes that only Entities in Charge of Maintenance for freight wagons will be subject to certification. With the development of legislation on the safety of rail transport the extension of ECM certification began. The article presents the proposal of the European Union Agency for Railways to extend the scope of Commission Regulation (EU) No. 445/2011 and discusses the most important changes.
Źródło:
Logistics and Transport; 2019, 42, 2; 15-20
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alarms management by supervisory control and data acquisition system for wind turbines
Autorzy:
Ramirez, Isaac Segovia
Mohammadi-Ivatloob, Behnam
Márqueza, Fausto Pedro García
Powiązania:
https://bibliotekanauki.pl/articles/1841786.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
alarm management
maintenance management
principal component analysis
SCADA
wind turbines
Opis:
Wind energy is one of the most relevant renewable energy. A proper wind turbine maintenance management is required to ensure continuous operation and optimized maintenance costs. Larger wind turbines are being installed and they require new monitoring systems to ensure optimization, reliability and availability. Advanced analytics are employed to analyze the data and reduce false alarms, avoiding unplanned downtimes and increasing costs. Supervisory control and data acquisition system determines the condition of the wind turbine providing large dataset with different signals and alarms. This paper presents a new approach combining statistical analysis and advanced algorithm for signal processing, fault detection and diagnosis. Principal component analysis and artificial neural networks are employed to evaluate the signals and detect the alarm activation pattern. The dataset has been reduced by 93% and the performance of the neural network is incremented by 1000% in comparison with the performance of original dataset without filtering process.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 1; 110-116
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Moderating impact of complexity on process management of turnaround project
Autorzy:
Fabić, Marco
Pavletić, Duško
Valić, Graciela Šterpin
Marković, Maja
Powiązania:
https://bibliotekanauki.pl/articles/407177.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
maintenance management
turnaround
project quality
process management
complexity
key result
Opis:
Maintenance of process plants requires application of good maintenance practice due to a great level of complexity. From a plant maintenance point of view, the most significant activity is turnaround, an activity carried out through project task with long planning process period and very short execution period, which makes it one of the most complex projects of maintenance in general. It is exactly this kind of maintenance that is based on multidisciplinarity which has to be implemented through the system of quality management on all levels of maintenance management. This paper defines the most significant factors determining the process of turnaround projects quality management and its efficiency. Such relation is observed through moderating influence of complexity on process management efficiency in the turnaround project. The empirical research was conducted based on the survey of turnaround project participants in five refineries in Croatia, Italy, Slovakia and Hungary. For exploring the influence of research variables testing of the target relation is carried out by applying logistical regression. Research results confirm the significance of complexity as variable that significantly contributes to the project performance through the moderating influence on success of the project, as well as the influence of an efficient management on a plant turnaround project key results. Beside theoretical indications, practical implications that arise from this research study mainly refers to management process of the industrial plant maintenance project.
Źródło:
Management and Production Engineering Review; 2019, 10, 4; 25-36
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Principle Component Analysis and logistic regression to support Six Sigma implementation in maintenance
Autorzy:
Antosz, Katarzyna
Jasiulewicz-Kaczmarek, Małgorzata
Machado, Jose
Relich, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/28328274.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
maintenance management
Six Sigma generation
DMAIC
PCA
logistic regression
Opis:
Improving the efficiency of maintenance processes is one of the goals of companies. Improvement activities in this area require not only an appropriate maintenance strategy but also the use of a new approach to increase the efficiency of the process. This article focuses on using Six Sigma (SS) to improve maintenance processes. As an introduction, the generations of SS development are identified, and traditional and advanced analytical tools that can be useful in SS projects are reviewed. As part of the research, an example of the implementation of the SS project in the maintenance process using the DMAIC and selected advanced analytical methods, such as PCA and logistic regression, was presented. The PCA results showed that it was enough to have seven main components to keep about 84% of the information on variability. In developed logistic regression explained the impact of the individual factors affecting the availability of the machines. The identified factors and their interactions made it possible to define maintenance activities requiring improvements
Źródło:
Eksploatacja i Niezawodność; 2023, 25, 4; art. no. 174603
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of safety analysis in industrial maintenance management
Autorzy:
Tabor, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/34670852.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
maintenance management
safety analysis
zarządzanie utrzymaniem ruchu
analiza bezpieczeństwa
Opis:
The maintenance system is one of the key systems in the industry, because it ensures the continuity of work and the safety of the production systems. The maintenance system includes a set of specific activities carried out by people in various environmental conditions, with the use of appropriate equipment and within a specific organizational and management structure. Activities carried out by maintenance workers are related to the occurrence of various types of physical, chemical, biological or psychosocial risks. These dangers can lead to accidents or occupational diseases. Therefore, the task of managers within maintenance systems is to provide people working in these systems with an appropriate level of safety through the use of properly selected preventive measures. The methods of safety analysis are related to the examination of various systems in order to identify and assess the risks in these systems and to prepare the safety characteristics of these systems, which allows for the correct adjustment of preventive measures to the identified needs. The purpose of this work is to present the basic methods of Safety Analysis in terms of their possible use in the area of industrial maintenance. As part of the work, the hazards at work in maintenance were characterized, the importance of safety analysis for the identification of hazards and accident prevention was discussed, and the key methods of safety analysis were presented in terms of their possible use to improve work safety in an industrial maintenance system. The presented considerations are original. The findings of the article will be very useful for management in implementing safe maintenance systems in industry.
Źródło:
Quality Production Improvement - QPI; 2021, 3, 1; 162-172
2657-8603
Pojawia się w:
Quality Production Improvement - QPI
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Building a Circular Economy Model for Managing Exploitation of Household Used Devices on the Example of Washing Machine Driven by DC Motor Along with Components
Autorzy:
Saleem, Usman
Kaźmierczak, Jan
Powiązania:
https://bibliotekanauki.pl/articles/2064660.pdf
Data publikacji:
2021
Wydawca:
STE GROUP
Tematy:
circular economy
exploitation
maintenance management
washing machine
DC electric motor
Opis:
In the article, the authors describe, using the example of a selected class of technical means, their concept of replacing the “classical” linear management (exploitation) model with a circular economy (CE) model. An example of an object for which the authors plan to test the feasibility of the concept presented above is a household washing machine driven by a DC motor. The description of this object included in the article considers its complexity and multiplicity of assemblies, sub-assemblies, and elements. The DC electric motor driving the washing machine was considered the most important from the point of view of the created model, especially in terms of the possibility of maintenance and repair. For such an engine, the article presents the maintenance and disposal model as elements of the concept of building a ‘circular’ business model. The authors assumed that the formal basis for such a model would be the so-called circular model. The methodology and plan of the research carried out at Super Asia washing machine company in Pakistan were introduced, and the research results were shown. With the use of these results, an attempt was made to assess the requirements that the application of the CE business model places on manufacturers of a selected class of devices, both in their manufacture, repair, sharing and dematerialization. The concept of further research is described at the end of the article.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2021, 4, 1; 309--316
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Solutions for supporting the management of network technical systems in the aspect of the Smart City concept
Autorzy:
Loska, Andrzej
Wyczółkowski, Ryszard
Barrionuevo, D. Rafael
Powiązania:
https://bibliotekanauki.pl/articles/2064736.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
maintenance management
network technical system
smart city
water supply system
Opis:
The article discusses issues related to the management of the city's network infrastructure in the context of the Smart City idea. There was presented an overview of the possibilities and needs of supporting the maintenance management of network technical systems, as components of technical urban infrastructure. Issues related to the meaning of numerical models of various types of networks in comprehensive city management were discussed. Against this background, gaps and challenges in the implementation of modern technologies have been shown on the example of an important category of network technical systems such as water supply system.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2019, 2, 1; 191--202
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel approach to optimize the maintenance strategies: a case in the hydroelectric power plant
Autorzy:
Özcan, Evrencan
Yumuşak, Rabia
Eren, Tamer
Powiązania:
https://bibliotekanauki.pl/articles/1841740.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
maintenance management
maintenance strategy optimization
multi-criteria decision making
AHP
COPRAS
integer programming
Opis:
Countries need to develop sustainable energy policies based on the principles of environmental sensitivity, reliability, efficiency, economy and uninterrupted service and to maintain their energy supply in order to increase their global competitiveness. In addition to this impact of sustainable energy supply on the global world, maintenance processes in power plants require high costs due to allocated time, materials and labor, and generation loss. Thus, the maintenance needs to be managed within a system. This makes analytical and feasible maintenance planning a necessity in power plants. In this context, this study focuses on maintenance strategy optimization which is the first phase of maintenance planning for one of the large-scale hydroelectric power plants with a direct effect on Turkey's energy supply security with its one fifth share in total generation. In this study, a new model is proposed for the maintenance strategy optimization problem considering the multi-objective and multicriteria structure of hydroelectric power plants with hundreds of complex equipment and the direct effect of these equipment on uninterrupted and cost-effective electricity generation. In the model, two multi-criteria decision-making methods, AHP and COPRAS methods, are integrated with integer programming method and optimal maintenance strategies are obtained for 571 equipment.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 2; 324-337
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Strategic Roadmap to Improve the Maturity Level of Maintenance Information Management Systems
Autorzy:
Tortora, Alessia Maria Rosaria
Di Pasquale, Valentina
Iannone, Raffaele
Powiązania:
https://bibliotekanauki.pl/articles/24200514.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
industrial maintenance
maintenance management information systems
MMIS
small and medium enterprises
SME
maintenance maturity models
Opis:
Maintenance involves a large amount of data management. Although many tools, strategies, and systems, have been developed to organize the maintenance information resources, SMEs have not found the same benefits as large companies due to their inherent characteristics and, above all, the maturity level of the maintenance department. Maturity models are useful tools for assessing the maturity of maintenance information practices; however, existing models are not suitable for any type of business context, as they required companies to have a clear organizational structure and definite informative infrastructure. Moreover, they do not assist in identifying and defining actions to reach the highest level. This paper proposes a model for assessing and improving maintenance management information practices. It allows a clear measure of the maturity of the maintenance information management practices in industrial contexts and provides improvement actions identifying the information and data needed to enhance maintenance management information practices.
Źródło:
Management and Production Engineering Review; 2023, 14, 3; 98--117
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
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