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Wyszukujesz frazę "production flow" wg kryterium: Temat


Tytuł:
A Combination of Association Rules and Optimization Model to Solve Scheduling Problems in an Unstable Production Environment
Autorzy:
Del Gallo, Mateo
Ciarapica, Filippo Emanuele
Mazzuto, Giovanni
Bevilacqua, Maurizio
Powiązania:
https://bibliotekanauki.pl/articles/27324213.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
data mining
association rules
optimization model
production scheduling
job-shop scheduling
flow shop scheduling
Opis:
Production problems have a significant impact on the on-time delivery of orders, resulting in deviations from planned scenarios. Therefore, it is crucial to predict interruptions during scheduling and to find optimal production sequencing solutions. This paper introduces a selflearning framework that integrates association rules and optimisation techniques to develop a scheduling algorithm capable of learning from past production experiences and anticipating future problems. Association rules identify factors that hinder the production process, while optimisation techniques use mathematical models to optimise the sequence of tasks and minimise execution time. In addition, association rules establish correlations between production parameters and success rates, allowing corrective factors for production quantity to be calculated based on confidence values and success rates. The proposed solution demonstrates robustness and flexibility, providing efficient solutions for Flow-Shop and Job-Shop scheduling problems with reduced calculation times. The article includes two Flow-Shop and Job-Shop examples where the framework is applied.
Źródło:
Management and Production Engineering Review; 2023, 14, 4; 56--70
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Flow-oriented Production Cell in Conditions of Low Technological-Organizational Similarity
Autorzy:
Pawlak, Natalia
Hadas, Lukasz
Fertsch, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2201165.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
lean management
production line balancing
cellular manufacturing
continuous flow
layout
Opis:
This paper presents the concept and methodology for the designing of a “tree-shaped” production line. The concept is a result of the search for production unit organization that meets the Lean Production assumptions, i.e. focusing on lead time (throughput time) shortening with simultaneous ability of use in conditions of varied product range. The varied product range characterized by lower technological-organizational similarity when compared to “Ushaped” units typical for Lean Production. The paper presents an algorithm for the designing of a “tree-shaped” production line and examples of its application. The designed unit underwent evaluation according to the criteria preferred by Lean Manufacturing experts. The designed production unit achieved results confirming the effectiveness of the proposed concept for the analysed sets of input data on the product range and production capacities.
Źródło:
Management and Production Engineering Review; 2022, 13, 4; 126--136
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Algorithm of the implementation of continuous flow in unbalanced production unit condition – case study
Autorzy:
Hadaś, Ł.
Karaskiewicz, F.
Powiązania:
https://bibliotekanauki.pl/articles/409222.pdf
Data publikacji:
2014
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
material flow
push
pull
Theory of Constraints
lean management
balancing production
algorithm
Opis:
This article shows step by step process of creating general algorithm saying how to implement continuous flow in production companies. Article is based on real environment of medium Polish production company, which produces steel halls. After presenting basic information about TOC and LEAN tools it shows and algorithm showing activities and sequence made in real company. Authors proposed solutions referred to both the material flow changing's and the information flow changing's. Main goal was adapt production process to unchangeable work of bottleneck. After all, results of production flow simulation after implementation of above solutions were presented. Finally, authors created algorithm based on techniques and tools implemented in mentioned company. It shows in general what production engineers should do step by step while implementing continuous flow in production.
Źródło:
Research in Logistics & Production; 2014, 4, 1; 91-100
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza zmian parametrów eksploatacji złóż wody termalnej w przypadku stosowania dubletu odwiertów geotermalnych
Analysis of parameters changes geothermal water exploitation in case of reinjection system
Autorzy:
Dubiel, S.
Batkiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/299449.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
eksploatacja złoża wody termalnej
geotermia
system dubletu odwiertów
blokowanie stref przebicia temperaturowego
geothermics
geothermal heat
thermal water exploitation
production - reinjection system
inhibiting water flow in thermal breakthrough field zone
Opis:
Na podstawie analizy danych przemysłowych przedstawiono objawy i skutki zmian parametrów eksploatacyjnych złóż wody termalnej, w przypadku stosowania dubletu odwiertów geotermalnych. Rozpatrzono możliwe przyczyny tych zmian oraz podano propozycje rozwiązań technologicznych dotyczące modyfikacji właściwości filtracyjnych skał wodonośnych w strefach złożowych przebicia temperaturowego.
On the basis of industrial data analysis presents symptoms and effects of changes geothermal waters exploitation parameters in case of reinjection system. Examined possible reasons of changes and given proposals of technology solutions on modified filtration properties of field rock with geothermal water in thermal breakthrough field zone.
Źródło:
Wiertnictwo, Nafta, Gaz; 2011, 28, 1-2; 95-104
1507-0042
Pojawia się w:
Wiertnictwo, Nafta, Gaz
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approaches to the production flow scheduling and control
Autorzy:
Skołud, B.
Powiązania:
https://bibliotekanauki.pl/articles/1429346.pdf
Data publikacji:
2008
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
production flow
scheduling
dispatching rule
constraint satisfaction
immune algorithm
Opis:
In the paper different methods of production order scheduling and control that are elaborated by the author and the team are presented. The history starts from the dispatching rules and goes to the distributed control by the local dispatching rule allocation and application them in the software (KbRS, SWZ, etc). In the next stage of the paper the discussion goes to the integration of these approaches. Last stage of the paper the artificial intelligence (Immune Algorithm) application for optimization of the schedule under the condition that any permissible solution is attainable is proposed. This application is only the part of the integrated system and is utilized as a tool for the solution improvement.
Źródło:
Journal of Machine Engineering; 2008, 8, 2; 5-13
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automation of thin film deposition process based on magnetron sputtering
Autorzy:
Domanowski, P.
Wawrzak, A.
Powiązania:
https://bibliotekanauki.pl/articles/100018.pdf
Data publikacji:
2012
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
production automation
magnetron flow production line
Opis:
This paper presents the structure of a flow processing line implemented in domestic industry and designed for thin film deposition over large surfaces in an atmosphere of argon and reactive gases. The design of the line has been developed based on original pumping cycle and magnetron sputtering control systems.
Źródło:
Journal of Machine Engineering; 2012, 12, 2; 111-119
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Challenges of Industry 4.0 for production enterprises functioning within cyber industry networks
Autorzy:
Saniuk, S.
Saniuk, A.
Powiązania:
https://bibliotekanauki.pl/articles/410016.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
Industry 4.0
Cyber Industry Network (CIN)
production flow planning
small and medium production enterprises
platform for exchanging production capacity
Opis:
The globalization process and the marginalization of Europe in world production prompted the German economy to implement the Industry 4.0 concept called the fourth industrial revolution. As a part of the proposed concept, a close connection of physical objects with the information network should be made. Enterprises will connect by intelligent resources communicating through the modern Internet of Things technologies, big data, and cloud computing. Therefore modern enterprises have a new further challenge which means a need to build and cooperate within cyber-physical systems. The aim of the article is to present key challenges for Polish small and medium-sized manufacturing enterprises oriented to the cooperation within the Industry 4.0 concept. Furthermore, the results of surveys conducted on a selected group of Polish production companies in the metal sector are shown. These results present the condition of Polish enterprises, their concerns and expectations regarding the implementation of the Industry 4.0 concept. The paper contains also the new idea to create the Cyber Industry Network (CIN) which means a kind of the on-line available platform for exchanging production capacity of small and medium enterprises and allows for the efficient combining of free resources to realize joint production projects.
Źródło:
Management Systems in Production Engineering; 2018, 4 (26); 212-216
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Customer needs linked to production strategy and firm’s dynamic capabilities
Autorzy:
Koskinen, J.
Sahebi, D.
Powiązania:
https://bibliotekanauki.pl/articles/407448.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
production strategy
innovativeness
effective information flow
flexible production system
dynamic capabilities
Opis:
This study identifies and analyzes the key factors of an efficient customer oriented production strategy. The paper supports the view that dynamic capabilities can be used successfully for improving company’s efficiency. This research is a case study research related to production strategy. In a case company, totally 31 interviews were made from 16 subsidiaries and 13 from end customers. The present paper focuses more on end customers’ than internal customers. Key findings can be identified as follows: effective information flow, flexibility, speed and responsiveness need more focus in the study of dynamic capabilities. Delivery accuracy is the key, while short delivery time is a competitive factor. This research is focused to power electronics business segment which is research limitation. To make wider conclusions, more empirical studies are needed. As a Practical implications, this research helps firms to improve their strategy process by understanding real customer needs. The research results bring additional value to the previous studies regarding company strategy, business environment, innovativeness and operational excellence.
Źródło:
Management and Production Engineering Review; 2013, 4, 2; 63-69
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decision making on cargo-flows management in integrated production and transportation system
Принятие решений по управлению грузопотоками в производственно-транcпортной системе
Autorzy:
Bulgakova, J.
Powiązania:
https://bibliotekanauki.pl/articles/374946.pdf
Data publikacji:
2016
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
integrated production
transportation system
logistic costs
cargo flow management
Mamdany’s fuzzy inference
produkcja zintegrowana
system transportowy
koszty logistyczne
zarrządzanie przewozem ładunków
Opis:
The problem of real time cargo-flows management in the integrated production and transportation system on example of machine-building enterprise is viewed optimal number of order cards in production and transportation system, which provides reduction in logistic costs. The building approach of membership function of linguistic terms, which characterize work-in-process level and waiting time, based on deterministic stock management model and queuing system is proposed.
Рассмотрена проблема управления грузопотоками в производственно-транспортной системе в режиме реального времени на примере предприятия машиностроения. Разработана математическая модель принятия решений по управления грузопотоками, основанная на совместном применении теории нечетких множеств и теории вероятностей, позволяющая определять оптимальное количество карт-заказов, при котором логистические издержки в системе будут минимальными. Предложен подход к построению функций принадлежностей терм-множеств лингвистических переменных, характеризующих уровень запаса и время ожидания в системе, основанный на вероятностной модели управления запасами и теории систем массового обслуживания.
Źródło:
Transport Problems; 2016, 11, 4; 83-94
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimation of the share of components of different ploidy in anisoploid sugar-beet [Beta vulgaris L.] populations by flow cytometry
Autorzy:
Sliwinska, E
Jansen, R
Powiązania:
https://bibliotekanauki.pl/articles/2046829.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Beta vulgaris
ploidy determination
breeding
flow cytometry
seed production
sugar-beet
Opis:
Flow cytometry is commonly used in sugar-beet breeding and seed production for ploidy estimation. By means of this method individual plants as well as plant populations can be analysed. An interpretation of histograms obtained from anisoploid populations, however, causes some problems to the breeder. Bulks of diploid, triploid and tetraploid sugar-beet plants in different proportion and ploidy combinations (2x + 3x, 2x + 4x, and 3x + 4x) were tested in order to determine the relation between the actual share of the components of different ploidy levels in tested populations and that calculated on the basis of flow cytometry. In this way agraph for estimation of the share of different ploidy components was obtained. Repeatability of the results proves the usefulness of flow cytometric analysis of anisoploid plant populations in breeding and seed production of polyploid crops.
Źródło:
Journal of Applied Genetics; 1997, 38, 2; 151-160
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Flexible production flow control systems
Autorzy:
Chrobot, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/36847846.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Zarządzania Produkcją
Tematy:
production flow control
data registration
traceability
sterowanie przepływem produkcji
rejestracja danych
identyfikowalność
Opis:
Requirements regarding the quality and full traceability of delivered products in some industrial sectors, such as the food, pharmaceutical and automotive industries, where the life and health of the end user depends on the quality of the product, cause production flow control systems (PFC) to become an important element of the functioning of production enterprises. PFC systems are IT systems that are generally used for recording production data (in a database) at various stages of industrial processes, mainly from PLC controllers (in this respect they perform the function of traceability systems, that enable tracking products), but also provide blocking of identifiable products, which were incorrectly processed during earlier stages of production or follow wrong technology sequence. The desirable feature of such systems is their flexibility, which is characterised by their scalability and configurability. Configurability is the ability to include different processes into the PFC system in a relatively short time. The concept of a configurable system must be well considered and different material flow cases must be taken into account to avoid future dramatic changes in the IT system. Scalability is the ability to include more and more processes under control of the PFC system without the significant impact on its effectiveness. The PFC systems use computer networks to process production data, so the scalability of PFC systems depends on their modular architecture in the network. The article discusses basic features and possible PFC architectures, as well as two examples of configurable PFC systems along with their analysis and assessment. The described systems are the result of projects in which the author of this article participated, the aim of which was to develop and launch a flexible PFC system that meets the basic industrial requirements from the area of discrete manufacturing.
Źródło:
Zarządzanie Przedsiębiorstwem; 2021, 24, 1-2; 2-7
1643-4773
Pojawia się w:
Zarządzanie Przedsiębiorstwem
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Flow cytometric estimation of ploidy in anisoploid sugar-beet populations
Autorzy:
Sliwinska, E
Steen, P.
Powiązania:
https://bibliotekanauki.pl/articles/2048141.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
production
Beta vulgaris
poliploid cultivar
ploidy determination
nuclear DNA
flow cytometry
DNA
seed
sugar-beet
Opis:
Determination of ploidy level is a common practice in sugar-beet breeding and seed production. Lately many laboratories have replaced microscopic chromosome counting by flow cytometric estimation of the nuclear DNA content. The possibility of direct estimation of cytological composition in anisoploid populations instead of individual plant analyses was investigated. Diploid, triploid and tetraploid sugar-beet lines as well as their mixtures were tested. The results obtained show that the suggested method is fast, simple and, after a proper transformation of the computer values, could be applied in breeding and seed production of polyploid crops. Precise estimation of contamination by small admixture of seeds or plants of undesirable ploidy, however, requires individual plant rather than population analyses.
Źródło:
Journal of Applied Genetics; 1995, 36, 2; 111-118
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gas-condensate banking and well deliverability : a comparative study using analytical- and numerical models
Autorzy:
Ursin, J. R.
Powiązania:
https://bibliotekanauki.pl/articles/298842.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
gas condensate
two phase fluid flow
condensation
reservoir condensate saturation
effective permeability
gas and condensate production
linear dynamics
numerical simulation
Opis:
Reservoir condensate blockage in the reservoir and in particular in the close vicinity of the wellbore may result in significant loss of well deliverability for medium to tight gas reservoirs. The dynamics of fluid flow in these types of reservoirs are investigated by way of analytical description and by numerical simulation of radial two phase flow behavior. The analytical model is based on a single phase semi steady-state solution, being revised for two phase flow of gas and condensate oil. As the liquid is dropping out of the gas, a saturation distribution of immovable oil is seen to develop radially in the reservoir with time. Condensed oil not being part of this saturation distribution is produced to the surface. The numerical model is a cylindrical, single well, fine gridded, simulation model run on the Eclipse E300 compositional simulator. The base case study comprises a rich gas condensate fluid (GOR ~ 1000 Sm3/Sm3), an initial gas-in-place volume of 750 MSm3, and reservoir permeability of 10 mD. A gas flow rate of 0.5 MSm3/day is leading to a production period of about 4 years. A comparative study is performed by varying parameters such as pressure development, development of bank of immovable oil both radially and as function of time, condensate blockage effects, and gas and condensate oil production and onset of reduced well deliverability. Sensitivity analysis are performed by studying variation in the productivity index, non-Darcy and mechanical skin, and sensitivities related to permeability. It has been confirmed in this study that condensate blockage has a direct and negative impact on well deliverability, where both the plateau period and the bottom hole pressure are reduced. We also show that the analytical model compares well with the numerical models and that many features describing gas-condensate banking and well deliverability are adequately described in the model. The analytical model also offers insight into the process of reservoir liquid storage in gas condensate reservoirs.
Źródło:
AGH Drilling, Oil, Gas; 2016, 33, 2; 259-289
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identyfikacja marnotrawstwa w małych przedsiębiorstwach produkcyjnych : case study
Waste identification in small production enterprises : case study
Autorzy:
Kochańska, J.
Burduk, A.
Powiązania:
https://bibliotekanauki.pl/articles/1383498.pdf
Data publikacji:
2018
Wydawca:
Polskie Wydawnictwo Ekonomiczne
Tematy:
szczupłe zarządzanie produkcją
zarządzanie produkcją
małe przedsiębiorstwa
identyfikacja marnotrawstwa
przepływ materiału
diagram spaghetti
lean manufacturing
production management
small enterprises
waste identification
material flow
spaghetti diagram
Opis:
Artykuł opisuje możliwość wykorzystania narzędzi szczupłego zarządzania do doskonalenia procesów produkcyjnych w małych przedsiębiorstwach. Porusza kwestię obaw związanych z koncepcją Lean oraz wskazuje przyczyny świadczące o konieczności jej wdrożenia. W ramach studium przypadku nawiązano współpracę z rodzinną firmą produkcyjną, zlokalizowaną na terenie Dolnego Śląska, specjalizującą się w produkcji wyrobów dostosowanych do indywidualnych potrzeb klientów. Bazując na pomiarach i obserwacjach przeprowadzonych na reprezentatywnych procesach, zidentyfikowano różne typy marnotrawstwa, którego wyeliminowanie pozwoliłby na rozwój firmy. Występujące problemy zobrazowano dodatkowo przy pomocy schematu przepływu materiału oraz diagramu spaghetti.
The paper describes the possibility of using lean management tools to improve production processes in small enterprises. It raises the issue of concerns about the Lean concept and indicates the reasons for its implementation. As a part of the case study, a cooperation was established with a family production company located in Lower Silesia, specializing in the production of products adapted to the individual needs of customers. Based on measurements and observations carried out on representative processes, various types of waste were identified as a potential for improvement. The problems appearing are illustrated with the use of the material flow diagram and the spaghetti diagram.
Źródło:
Gospodarka Materiałowa i Logistyka; 2018, 6; 35-41
1231-2037
Pojawia się w:
Gospodarka Materiałowa i Logistyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementacja narzędzi lean manufakturing w logistyce przedsiębiorstwa
Simulation as a tool used to improve production flow on example of the analysed company - case study
Autorzy:
Mak, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/1375719.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
lean manufacturing
5S
kanban
computer simulation
optimization
logistics process
production flow
Opis:
Logistyka wewnątrzzakładowa jest często pomijana przy optymalizacji procesów przedsiębiorstwa. Menadżerowie zakładów produkcyjnych niejednokrotnie zakładają, że oczekiwane efekty mogą uzyskać wyłącznie poprzez doskonalenie procesów produkcyjnych i skracanie czasów cykli poszczególnych operatorów. Inwestując kapitał w drogie oprzyrządowanie oraz zapasy materiałów uważają, że w ten sposób uzyskają lepsze wyniki zakładu i oczekiwane cele. Warto zastanowić się nad procesem wspierającym produkcje jakim jest logistyka – dobrze zorganizowana i ustandaryzowana staje się cennym filarem przedsiębiorstwa.
Optimizing processes in the company, especially in factories, is an important part of corporate strategy. With help of a special software, simulation allows to check the usefulness and cost-effectiveness of suggested solutions. Undeniable advantage is low cost of verification. Simulation is invaluable opportunity which was decided to present in article based on a real example.
Źródło:
Journal of TransLogistics; 2016, 2, 1; 135-144
2450-5870
Pojawia się w:
Journal of TransLogistics
Dostawca treści:
Biblioteka Nauki
Artykuł

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