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Wyświetlanie 1-15 z 127
Tytuł:
Production Resource Flexibility Assessment: Case Studies in the Automotive Industry
Autorzy:
Moerth-Teo, Oliver
Schlögl, Gernot
Abdul-Hadi, Muaaz
Brillinger, Markus
Weinzerl, Martin
Ramsauer, Christian
Powiązania:
https://bibliotekanauki.pl/articles/2172179.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
production flexibility
production resource
flexibility assessment
automotive industry
Opis:
The automotive industry is characterized by a high degree of uncertainty. Companies are facing the challenge of producing different systems simultaneously. Additionally, the global quantity of electric vehicles is also expected to increase significantly. This results in the following capability to remain competitive: Effective and efficient adaptions of production systems to model variations and volume increases. While flexible production is identified as the most promising concept, defining the actual flexibility level of included production resources is essential for its proper realization. A literature review on existing flexibility assessment approaches revealed their emphasis on high-level enablers and limited practical applicability in the automotive industry. In contrast, focusing the assessment on single workstations supports the selection of appropriate production resources. Therefore, a simple and structured standard procedure for a production resource flexibility assessment was developed. This theoretical construct was subsequently complemented with practical insights through its application on two real-life case studies within one automotive engineering company. Summarizing and discussing the findings in combination with a conclusion completed this paper.
Źródło:
Management and Production Engineering Review; 2022, 13, 3; 20--29
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shaping Flexibility in Complex Manufacturing Systems
Autorzy:
Zwolińska, Bożena
Zaręba, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/504399.pdf
Data publikacji:
2018
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
flexibility manufacturing,
flexibility indicator EPE,
convergent production structure
Opis:
Product customization and dynamically changing customer requirements cause multiple versions of the same product to be created with minute modifications, e.g.: different colour, material used, accessories, etc. Adapting to changing tendencies determines the manufacturer`s competitiveness. This article presents the analysis of the flexibility of a complex convergent production structure. The analysis has been conducted using the EPE (Every Part Every…) indicator. To maintain the accuracy of the system`s evaluation, the flexibility determining algorithm has been adjusted to the analyzed cell structure. A flexibility indicator EPE shows the lowest possible frequency at which the rotating production of a batch is repeated. In practice, it informs us after what time we may manufacture the same lot of goods again, taking into account the time necessary for delivering accepted orders. The conclusions from the conducted analyses helped to develop strategic development plans which assumed increasing the volume of the manufactured assortment both in number and variety.
Źródło:
Logistics and Transport; 2018, 39, 3; 65-72
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cognitive flexibility and flexibility in coping in nurses – the moderating role of age, seniority and the sense of stress
Autorzy:
Kruczek, Agnieszka
Basińska, Małgorzata A.
Janicka, Martyna
Powiązania:
https://bibliotekanauki.pl/articles/2116593.pdf
Data publikacji:
2020-06-16
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
general nurse
cognitive flexibility
moderation effect
flexibility in coping
Flexibility in Coping with Stress Questionnaire
sense of stress
Opis:
ObjectivesThe nursing profession entails many stressful situations and challenges, such as heavy workload, shift work, emotional demands and professional conflicts. In the light of the results of the research conducted so far, flexible coping has occurred to be highly adaptive, as its association with adaptive struggle with the disease, fewer depressive symptoms and both greater mental well-being and better health have been proven. In connection with the above, the aim of this study was to determine the nature of the relationship between cognitive flexibility and flexibility in coping in nurses, taking into account the moderating role of age of the respondents, seniority and the sense of stress.Material and MethodsThe study sample consisted of 280 persons working as nurses (age range: 21–66). The number of women and men reflected their percentage distribution in this profession, as it is highly feminized. The following methods were used in the study: the Cognitive Flexibility Inventory (CFI) by Dennis and Vander Wal, the Perceived Stress Scale (PSS-10) by Cohen et al., the Flexibility in Coping with Stress Questionnaire (FCSQ-14) by Basińska et al., and a self-developed survey.ResultsAs the obtained research results show, cognitive flexibility in both the Control and Alternatives subscales was a predictor of flexible coping and their subscales. The analysis revealed that the model of the relationship between cognitive flexibility and flexibility in coping was moderated by age, seniority and the sense of stress.ConclusionsCoping skills and flexibility are positively correlated with the psychological adjustment of nurses.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2020, 33, 4; 507-521
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of cooperation flexibility on innovation flexibility in SMEs
Autorzy:
Tomášková, Eva
Kaňovská, Lucie
Powiązania:
https://bibliotekanauki.pl/articles/22443166.pdf
Data publikacji:
2022
Wydawca:
Instytut Badań Gospodarczych
Tematy:
cooperation flexibility
innovation flexibility
electrical engineering companies
high-tech manufacturers
SMEs
Opis:
Research background: Flexibility has become a possible means for manufacturing companies to better compete in competitive markets. Furthermore, innovations are perceived as an important factor in company strategy, which can differentiate the company from the competition. Purpose of the article: This present study investigates the problems of cooperation flexibility and innovation flexibility in manufacturing companies among electrical engineering companies in the Czech Republic. The aim of this paper is to identify the impact of cooperation flexibility on innovation flexibility in small and medium-sized manufacturing companies. Methods: A questionnaire addressed to SMEs in the form of the Likert scale was prepared to gather information about cooperation flexibility and innovation flexibility. All parts of the questionnaire were tested using Cronbach Alpha. Spearman correlation and regression analysis were used for analysis. Findings & value added: The results of the research show that external cooperation flexibility and internal cooperation flexibility is related to innovation flexibility in SMEs. Results of the research show that there is a positive relationship 1) between external cooperation flexibility and innovation flexibility and 2) between innovation flexibility and business performance at SMEs. The findings of the research contribute to an understanding of the relationship between cooperation flexibility, innovation flexibility and also innovation performance. The novelty value of this paper lies in its perception of flexibility as having two parts, namely external (with suppliers and customers) and internal cooperation flexibility. In addition, innovation flexibility was investigated in two fields, product, and accompanying services to products. The view mentioned provides a complex view of flexibility.
Źródło:
Equilibrium. Quarterly Journal of Economics and Economic Policy; 2022, 17, 2; 533-566
1689-765X
2353-3293
Pojawia się w:
Equilibrium. Quarterly Journal of Economics and Economic Policy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the Flexibility of Protective Gloves
Autorzy:
Harrabi, L.
Dolez, P. I.
Vu-Khanh, T.
Lara, J.
Powiązania:
https://bibliotekanauki.pl/articles/90368.pdf
Data publikacji:
2008
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
flexibility
stiffness
protective glove
Opis:
Two mechanical methods have been developed for the characterization of the flexibility of protective gloves, a key factor affecting their degree of usefulness for workers. The principle of the first method is similar to the ASTM D 4032 standard relative to fabric stiffness and simulates the deformations encountered by gloves that are not tight fitted to the hand. The second method characterizes the flexibility of gloves that are worn tight fitted. Its validity was theoretically verified for elastomer materials. Both methods should prove themselves as valuable tools for protective glove manufacturers, allowing their existing products to be characterized in terms of flexibility and the development of new ones better fitting workers’ needs.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2008, 14, 1; 61-68
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agility Versus Flexibility? The Perception of Business Model Maturity in Agricultural Machinery Sector Manufacturing Companies
Autorzy:
Nogalski, Bogdan
Niewiadomski, Przemysław
Szpitter, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/1933567.pdf
Data publikacji:
2020
Wydawca:
Akademia Leona Koźmińskiego w Warszawie
Tematy:
agility
flexibility
maturity
business model
Opis:
Purpose: The fundamental objective of this article is to discern whether business model maturity is perceived through the prism of the ability to deal with unexpected challenges, overcome unprecedented threats, and use emerging business opportunities (agility) or – perhaps – more as a feature of the organization, which makes a business model less vulnerable to unpredictable external changes or sets it in a better position to make it respond effectively to these changes (flexibility). Methodology: The reconnaissance of opinions requires the creation of a catalog of desiderata that significantly identify agility and flexibility. Theoretical and design layers will use a method of reconstruction and interpretation of the subject literature supported by a discussion within a group of deliberately selected experts. This will be reflected in a set of parameters, on the one hand, characteristic of the categories of agility and flexibility and, on the other hand, reflecting business model maturity. Findings: The conducted research allows us to state that mature business models – as implemented by the surveyed companies – are perceived rather through the prism of the strategic ability of enterprises to quickly adapt to unforeseen and sudden changes on the market (agility category). Originality: The article includes not only academic postulates of agility or flexibility but also practical tips that enable constructing guidelines for decision-makers and managers of the agricultural machinery sector. The study carries a charge of a theoretical and empirical study. It takes into account knowledge and expert experience.
Źródło:
Central European Management Journal; 2020, 28(3)
2658-0845
2658-2430
Pojawia się w:
Central European Management Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ensuring the flexibility and continuity of supplies in the B2B market
Autorzy:
Wieteska, Grażyna
Powiązania:
https://bibliotekanauki.pl/articles/522060.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Continuity
Flexibility
Risk
Supply
Uncertainty
Opis:
Aim/purpose – The purpose of this paper is to recognize and compare the best practices that ensure the flexibility and continuity of supplies. Although the flexibility drivers and continuity risk drivers, according to the literature, are actually the same, there is a lack of research articles on this aspect. Design/methodology/approach – A two-phase methodology design, based on the literature review and in-depth interviews, was used, and seven in-depth interviews with the representatives of manufacturing companies that operate in different sectors were conducted. Findings – Supply flexibility and continuity are presented in the literature, mainly as the responses to the business environmental events/changes that have already occurred. Nevertheless, the researched manufacturing companies recognize their use in terms of prevention as well. The researched enterprises use traditional ways of dealing with supply problems (alternative supplier, inventory buffers). They do not really connect ensuring supply continuity with long-term disruptions, but rather understand it as prevention of typical supply delays and quality problems. The respondents regard supplier flexibility not only as a way of responding to the forecasted demand changes but also to unexpected situations. The companies ensure supply continuity and supply flexibility using similar but not exactly the same strategies. For the reactive strategies, sourcing decisions are crucial, whereas for preventive strategies – it is supplier performance management. Research implications/limitations – The small number of conducted interviews is a limitation of performed research, however, some directions for future research can be noted. Apart from other implications described in the paper, it is deduced that sourcing flexibility positively influences supply continuity. Nevertheless, this hypothesis needs quantitative verification. Originality/value/contribution – The paper compares the issue of supply flexibility with the issue of supply continuity. For these two areas, it identifies common and individual strategies that are performed by researched companies in terms of prevention and reaction to risk and uncertainty.
Źródło:
Journal of Economics and Management; 2017, 29; 118-138
1732-1948
Pojawia się w:
Journal of Economics and Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical determination of the characteristics of engine power Fiat 1.3 JTD
Autorzy:
Prajwowski, K.
Gołębiewski, W.
Powiązania:
https://bibliotekanauki.pl/articles/245356.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engines
power
torque
engine flexibility
Opis:
Combustion engines are commonly used in car propulsion systems. They belong to a group of heat engines, i.e. those that convert the heat obtained from combustion of liquid or gaseous fuels into mechanical work. Engine parameters, such as power output (Pd ), torque (Ttq) and adaptability to variable traffic [motion] conditions, represent vehicle motion and its functional properties. The torque (Ttq) and the crankshaft speed (n) are measured directly with the use of dynamometer at specific measurement conditions but the power (Pd ) is determined indirectly. The relationships between these parameters are presented using external characteristics. They allow determination of engine adaptability to changes in the resistance to motion, i.e. its flexibility (E). In the paper, flexibility and analytical determination of the power and torque curves through application of Leidemann’s formulas are discussed. Results of the research conducted with the use of turbocharged compressionignition engine equipped with Common Rail fuel system are presented. The correlation between the power and torque curves based on Leidemann’s formulas and the real curves obtained on the basis of experimental research (with application of engine dynamometer) are verified. Finally, evaluation of the method applied for determining the power curves by the speed range of FIAT 1.3 JTD engine was made.
Źródło:
Journal of KONES; 2014, 21, 2; 267-272
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Considerations on a contemporary flexibility approach
Autorzy:
Winkler, H.
Seebacher, G.
Powiązania:
https://bibliotekanauki.pl/articles/409582.pdf
Data publikacji:
2012
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
management model
flexibility approach
performance enhancement
Opis:
Because of rapidly changing customer requirements, current company-focused measures to enhance flexibility at the supply chain level are not sufficient. Therefore, flexible supply chain performance is essential for firms aiming to fulfill service level agreements despite increasing complexity, shorter delivery times, and dynamic market demands. Therefore, we suggest imple-menting flexibility-enhancing measures within and between supply chain entities that address the particular supply chain type and its flexibility requirements. Towards this end, flexibility management must be considered as a holistic management approach. This paper presents conceptual framework that helps to identify company-internal flexibility drivers to support flexible supply chain per-formance.
Źródło:
Research in Logistics & Production; 2012, 2, 2; 147-161
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
RMS – system of the future or new trend in science?
Autorzy:
Gola, A.
Konczal, W
Powiązania:
https://bibliotekanauki.pl/articles/103094.pdf
Data publikacji:
2013
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
reconfigurable manufacturing system
RMS
reconfigurability
flexibility
Opis:
Manufacturing companies in the 21st century will face unpredictable, high-frequency market changes, driven by global competition. The article presents a new concept of manufacturing systems – which address these challenges - known as Reconfigurable Manufacturing Systems (RMS). The concept began in 1999 at University of Michigan and is widely developed in many scientific publications. The paper first analyses main features of RSP. The next sections are devoted to analyze basic assumptions of RMS design and technical measures of RMS. Finally, the answer for the question if the RMS has the perspective of wide industrial implementations is discussed.
Źródło:
Advances in Science and Technology. Research Journal; 2013, 7, 20; 35-41
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Complexity of a modern enterprise and its flexibility in the sector of industrial automation
Autorzy:
Lewandowska-Ciszek, A.
Powiązania:
https://bibliotekanauki.pl/articles/202428.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
industrial automation
measurement
complexity
flexibility
competitiveness
Opis:
The awareness of the growing importance of the complexity in creating a new type of a modern enterprise strategy and in introducing changes within planning, control and organizational structures contributed to undertaking studies on relationships occurring between the complexity of a modern enterprise and its flexibility in the sector of industrial automation, as well as filling the gap relating to the cognitive impact of poor complexity management on the flexibility of the company. The main objective of the research work is to check whether there is an important relationship between the complexity of the business and its flexibility in the industrial automation sector. Quantification of the relationship between these two quantities – the complexity and flexibility – happened by the use of the Multidimensional Correspondence Analysis (MCA) and Perceptual Maps. The study which has been carried out indicated that the flexibility and complexity functions in the enterprise management rise, however, the knowledge of these issues is highly insufficient. The research discovered that the obstacles which hamper striking a balance between the flexibility and complexity in their advanced stages exert a devastating impact on the quality of the process management. Reducing the flexibility at its higher levels generates a context in which the market risk is enhanced. Companies characterised by improper flexibility management bear higher workforce costs and their processes of decision-making last longer. Methodical and systematized study of flexibility and complexity will decrease the destructive influence of the interaction between these two categories.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 3; 575-584
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Boundary Situation as a Space of Artification
Autorzy:
Hyla, Magdalena
Krasoń, Katarzyna
Jastrząb, Jolanta
Powiązania:
https://bibliotekanauki.pl/articles/24964662.pdf
Data publikacji:
2023-12-31
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
artification
terminally ill patient
psychological flexibility
Opis:
Artification occupies a specific place between art and non-art and is determined by giving a subjectively aesthetic meaning to the objects that previously had no such properties. We refer here explicitly to the studies and findings of Ellen Dissanayake and Ossi Naukkarinen. The study aimed to focus on the potential of artification at the end of one’s life, exemplified by reports of the qualitative study conducted in one of the hospices in Katowice, Poland. The psychological flexibility categories, extracted from artification activities, were used in this research.
Źródło:
The New Educational Review; 2023, 74; 43-56
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Outline of using the Energy Cluster potential for the Distribution System Operator
Autorzy:
Sikora, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2085638.pdf
Data publikacji:
2021
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
distributed energy resources
energy clusters
flexibility
Opis:
The aim of the article is to present the possibility of cooperation between the Energy Cluster and Distribution System Operator (DSO) in order to improve the local grid operation, and indirectly, for the benefit of the National Power System. The possibility of creation and operation energy clusters in Poland, with particular emphasis on contractual relations with the DSO and the position of the cluster in the energy market is discussed at the first stage of the article. The following part analyses the impact of distributed energy sources (DER) on the distribution grid as well as the grid operation problems. The issue of distribution grid flexibility in relation to the development of distributed generation is presented. What is more the possible interactions between the Energy Cluster and the DSOs in this respect is elaborated. Finally, the ways of using the energy potential of the Energy Cluster by the DSOs is analysed, which take the form of specialized services for grid operators. Key words: distributed energy resources, energy clusters, flexibility.
Źródło:
Energy Policy Studies; 2021, No. 2 (8); 3-12
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Collagen gene sequence variants in exercise-related traits
Autorzy:
O’Connell, Kevin
Saunders, Colleen J.
Collins, Malcolm
Powiązania:
https://bibliotekanauki.pl/articles/1054644.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
ACL
Achilles tendinopathy
flexibility
ligament
performance
Opis:
Collagens are major structural proteins of tendons, ligaments and other components of musculoskeletal tissues. Rare mutations in many of the genes, which encode for the collagen α-chains, result in serious musculoskeletal disorders, highlighting the importance of this protein family in the normal structure and function of musculoskeletal tissues. Since these rare mutations cause severe disorders, it has been proposed that a lack of biological redundancy exists within the collagen fibril, and that collagen-encoding genes are therefore ideal candidates for association with less severe exercise-related traits. This review identifies a number of collagen gene variants which are associated with various exercise-related traits. Based on the evidence outlined in this review, we propose that a general genetic continuum exists for collagen genes and their associated traits. At one end of this general continuum model, a single mutation within one or more collagen genes will result in severe Mendelian disorders. At the other end of the continuum, functional variants within these collagen genes collectively contribute to the aetiology of anomalous multifactorial connective tissue traits, which arise as a result of the interaction of genetic and non-genetic factors which modulate physiological responses to environmental stimuli.
Źródło:
Central European Journal of Sport Sciences and Medicine; 2013, 1, 1; 3-17
2300-9705
2353-2807
Pojawia się w:
Central European Journal of Sport Sciences and Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
m-Synthesis control of flexible modes of AMB rotor
Autorzy:
Mystkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/386538.pdf
Data publikacji:
2010
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
wirnik
synthesis
elastyczność
rotor
synteza
flexibility
Opis:
In the paper the optimal robust vibration control of flexible rotor supported by the active magnetic bearings (AMBs) is investigated. The purpose of the control system is stabilization of the high speed rotor and effective control of the rotor vibration due to noncollocation, gyroscopic effects and model uncertainties. The noncollocation effect is considered and frequency modal analysis of the noncollocated AMBs system with gyroscopic effects is presented. The ž-Synthesis control is applied to stabilize the rigid and flexible critical frequency modes of the rotor, with emphasis structural and parametric uncer-tainty. The input and output signals in AMBs system are limited by the weighting functions. The singular value analysis is used to obtain therobust performances of the closed-loop system. The stable operation and good stiffness of the high speed rotor supported magnetically is reached. The dynamical behaviour of the AMBs rotor is evaluated in the range up to 21 000 rpm. The experimental tests show the effectiveness of the robust control system as well as good vibrations reduction and robustness of the designed controllers.
Źródło:
Acta Mechanica et Automatica; 2010, 4, 4; 83-90
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
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