Wyniki wyszukiwania dla: industry 4.0, metrisability of the manufacturing process, manufacturing process state vectors, sustainable organization

• Metrisable assessment of the course of stream‑systemic processes in vector form in industry 4.0

  Publikacja

  • R. Drozd
  • R. Wolniak

  - Quality and Quantity - Rok 2021

  The goal of this paper is to present an innovative conception how to use metrisable vector structure of a manufacturing process, based on quantitative relations between the activity of input streams, features of the product, and effect of losses; all of which are excellent practical solution for Industry 4.0, and in turn intelligent factories. This solution can be a usefull way in the process of building sustainable organization....

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• Smart Virtual Product Development: Manufacturing Capability Analysis and Process Planning Module

  Publikacja

  • M. Ahmed
  • C. Sanin
  • E. Szczerbicki

  - CYBERNETICS AND SYSTEMS - Rok 2022

  Smart Virtual Product Development (SVPD) system provides effective use of information, knowledge, and experience in industry during the process of product development in Industry 4.0 scenario. This system comprises of three primary modules, each of which has been developed to cater to a need for digital knowledge capture for smart manufacturing in the areas of product design, production planning, and inspection planning. Manufacturing...

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• Systemic analysis of a manufacturing process based on a small scale bakery

  Publikacja

  • R. Drozd
  • R. Wolniak
  • J. Piwnik

  - Quality and Quantity - Rok 2023

  The main aim of the article is to present two new innovative concepts of reliability of a functioning manufacturing system in the process of making bread in small-scale bakeries. Reliability is understood as one of the representations of an operator acting on specifc streams in time to - t. One of these represents the global reliability of a system as a function of parallel action of all the streams of the system in time to to...

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• Developments in manufacturing engineering and machining process planning

  Publikacja

  • A. Barylski
  • H. Biegalski
  • M. Deja
  • S. Dzionk
  • M. Siemiątkowski

  - Rok 2015

  Current research conducted in the Department of Manufacturing Engineering and Automation is presented in the paper. This includes: abrasive cutting off, grinding with lapping kinematics, rapid prototyping and machining procrss planning. Experimental results and computer simulation are presented and analysed.

• Project-Based Collaborative Research and Training Roadmap for Manufacturing Based on Industry 4.0

  Publikacja

  • M. Chodnicki
  • M. Deja
  • G. Vosniakos
  • P. Benardos
  • L. Wang
  • R. Reimann

  - Rok 2023

  The importance of the economy being up to date with the latest developments, such as Industry 4.0, is more evident than ever before. Successful implementation of Industry 4.0 principles requires close cooperation of industry and state authorities with universities. A paradigm of such cooperation is described in this paper stemming from university partners with partly overlapping and partly complementary areas of expertise in manufacturing....

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• Manufacturing collective intelligence by the means of Decisional DNA and virtual engineering objects, process and factory

  Publikacja

  • C. Sanin
  • M. Waris
  • C. Toro
  • E. Szczerbicki

  - JOURNAL OF INTELLIGENT & FUZZY SYSTEMS - Rok 2017

  Engineering collective intelligence is paramount in current industrial times. This research proposes and presents case studies for collective knowledge structures required in the industry field. Knowledge structures such as Set of Experience and Decisional DNA are extended into more advanced knowledge structures for manufacturing processes. These structures are called Virtual Engineering Object, Virtual Engineering Process and...

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• Digital Transformation and Its Influence on Sustainable Manufacturing and Business Practices

  Publikacja

  • I. A. R. Moghrabi
  • S. A. Bhat
  • P. Szczuko
  • R. A. AlKhaled
  • M. A. Dar

  - Sustainability - Rok 2023

  The paper focuses on the relationship between businesses and digital transformation, and how digital transformation has changed manufacturing in several ways. Aspects like Cloud Computing, vertical and horizontal integration, data communication, and the internet have contributed to sustainable manufacturing by decentralizing supply chains. In addition, digital transformation inventions such as predictive analysis and big data analytics...

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• Smart Virtual Product Development (SVPD) to Enhance Product Manufacturing in Industry 4.0

  Publikacja

  • M. Ahmed
  • C. Sanin
  • E. Szczerbicki

  - Procedia Computer Science - Rok 2019

  This paper presents a system capable of enhancing product development process for industrial manufactured products. This system is known as Smart Virtual Product Development (SVPD), and it helps in decision making by using explicit knowledge of formal decision events. It stores and reuses the past decisional events or sets of experiences related to different activities involved in industrial product development process i.e. product...

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• Robert Bogdanowicz dr hab. inż.

  Osoby

  Katedra Metrologii i Optoelektroniki

  Robert Bogdanowicz received his Ph.D. degree with honours in Electronics from the Gdansk University of Technology. He worked as a post-doc researcher in Ernst-Moritz-Arndt-Universität Greifswald Institut für Physik. He has initiated optical emission imaging of muti-magnetron pulsed plasma and contributed to the development of antibacterial implant coatings deposited by high-power impulse magnetron sputtering. He moved back to...

• Aleksandra Parteka dr hab. inż.

  Osoby

  Katedra Ekonomii

  About me: I am an associate professor and head of doctoral studies at the Faculty of Management and Economics, Gdansk University of Technology (GdanskTech, Poland).  I got my MSc degree in Economics from Gdansk University of Technology (2003) and Universita’ Politecnica delle Marche (2005), as well as MA degree in Contemporary European Studies from Sussex University (2006, with distinction).  I received my PhD in Economics...

• Enhancing Product Manufacturing through Smart Virtual Product Development (SVPD) for Industry 4.0

  Publikacja

  • M. Ahmed
  • C. Sanin
  • E. Szczerbicki

  - CYBERNETICS AND SYSTEMS - Rok 2020

  ABSTRACT This paper proposes the Smart Virtual Product Development (SVPD) system, which enhances the industrial product manufacturing processes. The proposed system comprises of three main modules: design knowledge management (DKM), manufacturing capability analysis and process planning (MCAPP), and product inspection planning (PIP). Smart virtual product development system collects, stores, and uses experiential knowledge from...

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• A system solution for integration of process planning and control in flexible manufacturing

  Publikacja

  • M. Siemiatkowski
  • W. Przybylski

  - Integrated Manufacturing Systems - Rok 1997

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• The investment process in the power supply industry

  Publikacja

  • W. Kamrat

  - Rynek Energii - Rok 2012

  The basis for power supply industry programming in a market economy should be the principle of sustainable development, which must take into account maintaining an adequate level of energy security on the one hand, and the aim to preserve the maximum degree of non-renewable resources on the other hand. Therefore, the overriding aim should be a strive to meet the current and prospective demand for energy and fuel, in conjugation...

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• Virtual engineering process (VEP): a knowledge representation approach for building bio-inspired distributed manufacturing DNA

  Publikacja

  • E. Szczerbicki
  • C. Sanin

  - INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH - Rok 2016

  The objective of this research is to provide a user-friendly and effective way of representing engineering processes for distributed manufacturing systems so that they can develop, accumulate and share knowledge. The basic defini-tion and principle of the approach is introduced first and then the prototype version of the system is developed and demonstrated with case studies, which verify the feasibility of the proposed approach....

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• Smart Decisional DNA Technology to Enhance Industry 4.0 Environment in Conjunction with Conventional Manufacturing

  Publikacja

  • I. Shafiq
  • C. Sanin
  • E. Szczerbicki

  - Rok 2020

  Knowledge-based support has become an indispensable part not only to the traditional manufacturing set-ups but also to the new fast-emerging Industry 4.0 scenario. In this regard, successful research has been performed and extensively reported to develop Decisional DNA based knowledge representation models of engineering object and engineering process called Virtual engineering object (VEO), Virtual engineering process (VEP) and...

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• Adaptive systems for process control in flexible manufacturing.

  Publikacja

  • W. Przybylski
  • B. Ścibiorski
  • A. T. Wiśniewska

  - Rok 2005

  W artykule przedstawiono koncepcyjne studia dla modelu sterowania dynamicznego elastycznym gniazdem obróbkowym. Analizowane gniazdo obróbkowe, zorientowane było na produkcję jednostkową i małoseryjną oraz składało się z trzech maszyn: tokarki CNC, frezarki CNC i maszyny pomiarowej.

• Industry 4.0 Implementation Challenges in Manufacturing Industries: an Interpretive Structural Modelling Approach

  Publikacja

  • A. R. Bakhtari
  • V. Kumar
  • M. Waris
  • C. Sanin
  • E. Szczerbicki

  - Procedia Computer Science - Rok 2020

  For the last few years, the fourth industrial revolution, known as Industry 4.0, has been a hot topic among academics. Industry 4.0 literature involves researches presenting studies related to its different aspects including challenges, opportunities, implementation and adoption. However, a detailed study of challenges and barriers towards the Industry 4.0 implementation in manufacturing industries is missing. Hence, this paper...

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• Generation of Optimal Process Plan Alternatives for Manufacturing Mechanical Components

  Publikacja

  • M. Deja
  • M. Siemiatkowski

  - Solid State Phenomena - Rok 2010

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• Immersive Technologies that Aid Additive Manufacturing Processes in CBRN Defence Industry

  Publikacja

  • M. Gawlik-Kobylińska
  • P. Maciejewski
  • J. Lebiedź
  • A. Kravcov

  - International Journal on Information Technologies and Security - Rok 2021

  Testing unique devices or their counterparts for CBRN (C-chemical, B-biological, R-radiological, N-nuclear) defense relies on additive manufacturing processes. Immersive technologies aid additive manufacturing. Their use not only helps understand the manufacturing processes, but also improves the design and quality of the products. This article aims to propose an approach to testing CBRN reconnaissance hand-held products developed...

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• Modelling and simulation analysis of process alternatives in the cellular manufacturing of axially symmetric parts

  Publikacja

  • M. Siemiątkowski
  • W. Przybylski

  - INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY - Rok 2007

  Analizowano procesy technologiczne (PT) alternatywnego wytwarzania określonego spektrum przedmiotów (PO) w różnych systemach gniazdowych. Rozpatrzono warianty PT z operacjami zintegrowanej obróbki wiórowej kształtującej i obróbki wykańczającej poprzez nagniatanie, oraz wariantów z różnicowaniem operacji, w których obróbka wykańczająca realizowana jest w oddzielnych operacjach szlifowania. Dla potrzeb gniazdowej dekompozycji systemów...

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• Metrisability of managing of stream-systemic processes

  Publikacja

  • R. Drozd
  • J. Piwnik

  - Organizacja i Zarządzanie : kwartalnik naukowy - Rok 2021

  To achieve the planned goal, in order to properly describe the manufacturing system management, six process stream functions were introduced. Non-dimensional flows of these functions in time can be empirically defined during the manufacturing process. They are interpreted as non-dimensional expenses. Maximum values for these functions in properly-managed processes equal one. Also, a global management function was introduced, being...

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• Opportunities and challenges for exploiting drones in agile manufacturing systems

  Publikacja

  • M. Deja
  • M. Siemiątkowski
  • G. Vosniakos
  • G. Maltezos

  - Procedia Manufacturing - Rok 2020

  Drones have become an advanced supply chain implementation instrument, especially in connecting warehouses to outlet points or even individual customers. However, their potential application in an intra-logistics framework has not been studied, let alone explored so far. Modeling and simulations in virtual environments can help explore and evaluate the opportunities for practical and profitable applications of drones in manufacturing...

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• Modelling and simulation analysis of process alternatives in the cellular manufacturing of axially symmetric parts [online]

  Publikacja

  • M. Siemiątkowski
  • W. Przybylski

  - INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY - Rok 2006

  Analizowano procesy technologiczne (PT) alternatywnego wytwarzania określonego spektrum przedmiotów (PO) w zróżnicowanych systemach gniazdowych. Rozpatrzono warianty PT z operacjami zintegrowanej obróbki wiórowej kształtującej i obróbki wykańczającej poprzez nagniatanie, oraz wariantów z różnicowaniem operacji, w których obróbka wykańczająca realizowana jest w oddzielnych operacjach szlifowania. Dla potrzeb gniazdowej dekompozycji...

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• Analyzing content of tasks in Business Process Management. Blending task execution and organization perspectives

  Publikacja

  • N. Rizun
  • A. Revina
  • V. Meister

  - COMPUTERS IN INDUSTRY - Rok 2021

  An efficient organization, management, and execution of tasks are central for the successful functioning of any organization. This topic was on the research agenda already in the early 1950s and keeps attracting the scientific community's attention today. Continuous advances and penetration of technologies in organizations are expected to increase task variety and complexity. This creates a constant demand for new methods to analyze,...

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• Fuzzy logic in controlling flexible manufacturing cell

  Publikacja

  • W. Przybylski
  • A. T. Wiśniewska

  - Advances in Manufacturing Science and Technology - Rok 2010

  In the present work a controlling method based on fuzzy rule base is proposed. Practical approaches are developed and focused on real time problems related to flexible manufacturing cell. Techniques for design and implementation of fuzzy systems in the framework of control production and quality states are presented. Keywords: controlling, manufacturing system, fuzzy logic, turning, burnishingW artykule przedstawiono propozycję...

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• Knowledge-Based Virtual Modeling and Simulation of Manufacturing Processes for Industry 4.0

  Publikacja

  • S. I. Shafiq
  • C. Sanin
  • E. Szczerbicki

  - CYBERNETICS AND SYSTEMS - Rok 2020

  ABSTRACT Industry 4.0 aims at providing a digital representation of a production landscape, but the challenges in building, maintaining, optimizing, and evolving digital models in inter-organizational production chains have not been identified yet in a systematic manner. In this paper, various Industry 4.0 research and technical challenges are addressed, and their present scenario is discussed. Moreover, in this article, the novel...

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• The adaptive spatio-temporal clustering method in classifying direct labor costs for the manufacturing industry

  Publikacja

  • M. Kalinowski
  • J. Baran
  • P. Weichbroth

  - Rok 2021

  Employee productivity is critical to the profitability of not only the manufacturing industry. By capturing employee locations using recent advanced tracking devices, one can analyze and evaluate the time spent during a workday of each individual. However, over time, the quantity of the collected data becomes a burden, and decreases the capabilities of efficient classification of direct labor costs. However, the results obtained...

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• Simulation research on the tool cycle in automated manufacturing system at selected tool duplication levels

  Publikacja

  • M. Dobrzyński
  • W. Przybylski

  - Advances in Manufacturing Science and Technology - Rok 2012

  The paper presents results of the research concerning impact of applied tool exchange rule on the efficiency of an automated manufacturing system. The research consider the tool duplication levels that constrain realisation of a manufacturing process. Presented study was based on the real industrial system data. The operating of the investigated system of manufacture, including tools necessary for its realisation, was modelled...

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• Comparative analysis of process alternatives for manufacturing piston rods of hydraulic cylinders.

  Publikacja

  • W. Przybylski
  • M. Siemiątkowski

  - Rok 2004

  Zawarto wyniki analiz porównawczych alternatywnych technologii tłoczysk siłowników hydraulicznych w warunkach elastycznej automatyzacji wytwarzania. Uwzględniając zarówno tradycyjne struktury tych procesów z operacjami szlifowania i polerowania, jak i nowoczesne technologie z operacjami nagniatania, przedstawiono zintegrowane podejście do planowania sekwencji operacji procesu i harmonogramowania zadań produkcyjnych wraz z algorytmem...

• Decisional DNA Based Conceptual Framework for Smart Manufacturing

  Publikacja

  • S. I. Shafiq
  • C. Sanin
  • E. Szczerbicki
  • C. Toro

  - Advances in Intelligent Systems and Computing - Rok 2016

  This paper presents the conceptual framework for systematic knowledge representation, storage and reuse of manufacturing information in a production scenario. This knowledge structure is designed for three levels in a manufacturing set up viz. first at the engineering objects level, second at process and finally at factory level. Virtual engineering object (VEO) deals with knowledge at the individual object/component/machine level...

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• Modeling and simulation of tool cycle in manufacturing cell

  Publikacja

  • M. Dobrzyński

  - Solid State Phenomena - Rok 2010

  The paper addresses issues concerning modeling and analysis of tool flow within a three-machine manufacturing cell used for small batch manufacturing of a definite spectrum of prismatic parts. The approach utilizes a method for job and tool allocation to work centers with limited number of machines and capacity of tool resources, based on the analysis of formalized relations: job - tool sets required. Selected tool flow control...

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• Mathematical models of process quality on the example of the bakery industry

  Publikacja

  • R. Drozd
  • J. Piwnik

  - Aparatura Badawcza i Dydaktyczna - Rok 2019

  This article presents a new approach to quantitative dimensionless assessment of the efficiency and competitiveness of production processes. New concepts of process quality and relative product quality have been introduced. Process quality was expressed in vector and scalar. The process quality vector ono was expressed by the product of reliability by the vector from the sum of three components taking into account the composition...

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• Manufacturing Engineering, PG_00050286, DaPE, 2023, s. zimowy (Archiwizowany 2023-11-02)

  Kursy Online

  • M. Deja

  Acquainting with basic manufacturing techniques in terms of technological effects and properties of the workpiece surface layer. Analysis of manufacturing costs, designing the technological process.

• Piotr Grudowski dr hab. inż.

  Osoby

  Katedra Inżynierii Zarządzania i Jakości

  Dr hab. inż. Piotr Grudowski, profesor w Politechnice Gdańskiej karierę naukową rozpoczynał na Wydziale Mechanicznym Technologicznym Politechniki Gdańskiej w zespole „Inżynierii Jakości i Metrologii”. Stopień doktora nauk technicznych w dyscyplinie budowa i eksploatacja maszyn uzyskał w roku 1993 na Wydziale Mechanicznym PG a stopień doktora habilitowanego nauk ekonomicznych, w dyscyplinie nauk o zarządzaniu, w 2008 roku na Wydziale...

• Changes in Manufacturing Industries- an Empirical Verifiction of the Kaldor-Verdoorn Laws

  Publikacja

  • M. Olczyk

  - Rok 2009

  This paper focus on showing the importance of manufacturing industry for the growth of selected european countries from a kaldorian perspective. the author discusses and testes two (the first and the second) kaldor-verdoorn laws, which state that manufacturing is the engine of growth (the first law) and that exist positive relation between labour productivity and output in manufacturing industries because of increasing returns...

• Towards an experience based collective computational intelligence for manufacturing

  Publikacja

  • S. I. Shafiq
  • C. Sanin
  • E. Szczerbicki
  • C. Toro

  - Future Generation Computer Systems-The International Journal of Grid Computing-Theory Methods and Applications - Rok 2017

  Knowledge based support can play a vital role not only in the new fast emerging information and communication technology based industry, but also in traditional manufacturing. In this regard, several domain specific research endeavors have taken place in the past with limited success. Thus, there is a need to develop a flexible domain independent mechanism to capture, store, reuse, and share manufacturing knowledge. Consequently,...

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• Studies on the influence of technological variants of finishing machining on flow of parts in flexible manufacturing

  Publikacja

  • W. Przybylski
  • B. Ścibiorski

  - Advances in Manufacturing Science and Technology - Rok 2010

  In the article below the problems of influence of variants of finishing processing on flow of machining parts in flexible manufacturing system were presented. The investigations were carried out the technological processes for piston rods and rams of hydraulic cylinders. There were also presented model variants of technological processes for piston rods finished with the burnishing. In these studies the influence of technological...

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• Expert systems in quality control of manufacturing processes

  Publikacja

  • W. Przybylski
  • A. T. Wiśniewska

  - Rok 2005

  The paper deals with quality control in conditions of computer integrated manufacturing (CIM). It shows that quality of material stream items have to be analyzed on every stage of manufacturing process. Collecting and analyzing quantity of data with usage of expert systems make it possible to create a system for coordination of cell's work. The system contains error recovery algorithm and adaptive control subsystem based on fuzzy...

• Virtual Engineering Object (VEO): Toward Experience-Based Design and Manufacturing for Industry 4.0

  Publikacja

  • S. I. Shafiq
  • C. Sanin
  • C. Toro
  • E. Szczerbicki

  - CYBERNETICS AND SYSTEMS - Rok 2015

  In this article we propose the concept, its framework, and implementation methodology for Virtual Engineering Objects (VEO). A VEO is the knowledge representation of an engineering object that embodies its associated knowledge and experience. A VEO is capable of adding, storing, improving, and sharing knowledge through experience. Moreover, it is demonstrated that VEO is a specialization of a Cyber-Physical System (CPS). In this...

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• MULTI-CRITERIA COMPARATIVE ANALYSIS OF THE USE OF SUBTRACTIVE AND ADDITIVE TECHNOLOGIES IN THE MANUFACTURING OF OFFSHORE MACHINERY COMPONENTS

  Publikacja

  • M. Deja
  • M. Siemiątkowski
  • D. Zieliński

  - Polish Maritime Research - Rok 2020

  The dynamic development of additive manufacturing technologies, especially over the last few years, has increased the range of possible industrial applications of 3D printed elements. This is a consequence of the distinct advantages of additive techniques, which include the possibility of improving the mechanical strength of products and shortening lead times. Offshore industry is one of these promising areas for the application...

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• Grzegorz Boczkaj dr hab. inż.

  Osoby

  Katedra Inżynierii Sanitarnej

• Manufacturing Data Analysis in Internet of Things/Internet of Data (IoT/IoD) Scenario

  Publikacja

  • E. Szczerbicki
  • S. I. Shafiq
  • C. Sanin

  - CYBERNETICS AND SYSTEMS - Rok 2018

  Computer integrated manufacturing (CIM) has enormous benefits as it increases the rate of production, reduces errors and production waste, and streamlines manufacturing sub-systems. However, there are some new challenges related to CIM operating in the Internet of Things/Internet of Data (IoT/IoD) scenarios associated with Industry 4.0 and cyber-physical systems. The main challenge is to deal with the massive volume of data flowing...

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• Integration of Lean Manufacturing with ISO Management Systems in Enterprise

  Publikacja

  • M. Wirkus
  • A. Chmielarz

  - Management and Production Engineering Review - Rok 2018

  Lean manufacturing [LM], quality management system and environmental management system are clear initiatives with a goal of improving effectiveness and efficiencies of organizations. Many organisations tackle lean philosophy, ISO standards individually but this kind of attempt do not focus on the synergy and the advantage from the potential collaboration. This paper aims to present the possibility of integration Lean Management...

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• Evaluating Industry 4.0 Implementation Challenges Using Interpretive Structural Modeling and Fuzzy Analytic Hierarchy Process

  Publikacja

  • A. R. Bakhtari
  • M. Waris
  • C. Sanin
  • E. Szczerbicki

  - CYBERNETICS AND SYSTEMS - Rok 2021

  The fourth industrial revolution known as Industry 4.0 is reshaping and evolving the way industries produce products and individuals live and work therefore, gaining massive attraction from academia, business and politics. The manufacturing industries are optimistic regarding the opportunities Industry 4.0 may offer such as, improved efficiency, productivity and customization. The present research contributes to the Industry 4.0...

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• Business process modelling

  Kursy Online

  • M. Grzesiak

  Welcome to the Business Process Modeling course! We will travel together among the business processes world and its modeling with the BPMN ;) I hope it will be valuable for your future. See you soon, Marzena Grzesiak

• Środowiskowe aspekty wdrażania koncepcji lean manufacturing

  Publikacja

  • M. Wirkus
  • A. Chmielarz

  - Rok 2012

  Z uwagi na rosnące zainteresowanie tematyką nowoczesnego i niskokosztowego zarządzania środowiskowego w artykule przedstawiono główne obszary wykorzystania narzędzi Lean Manufacturing w procesie doskonalenia zarządzania środowiskowego w przedsiębiorstwach produkcyjnym. Zdefiniowano pojęcie aspektu środowiskowego w ujęciu wymagań normy ISO14001. Opisano budowę środowiskowej wartości dodanej Lean Manufacturing. Podjęto próbę udowodnienia...

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• Środowiskowe aspekty wdrażania koncepcji lean manufacturing

  Publikacja

  • M. Wirkus
  • A. Chmielarz

  - Rok 2012

  Z uwagi na rosnące zainteresowanie tematyką nowoczesnego i niskokosztowego zarządzania środowiskowego w artykule przedstawiono główne obszary wykorzystania narzędzi Lean Manufacturing w procesie doskonalenia zarządzania środowiskowego w przedsiębiorstwach produkcyjnym. Zdefiniowano pojęcie aspektu środowiskowego w ujęciu wymagań normy ISO14001. Opisano budowę środowiskowej wartości dodanej Lean Manufacturing. Podjęto próbę udowodnienia...

• Determinants of trade balance in Polish and Czech manufacturing sectors

  Publikacja

  • M. Olczyk
  • A. Kordalska

  - EQUILIBRIUM Quarterly Journal of Economics and Economic Policy - Rok 2018

  Research background: A strong industrial base is essential for achieving long-term sustainable economic growth and export competitiveness. In that sense, manufacturing remains a significant contributor to exports in the CEE countries. However, its role and its influence vary between CEE economies and change over time. Purpose of the article: The main objective of this paper is to compare the determinants of the international competitiveness,...

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• Analytical Steady-State Model of the Pipeline Flow Process

  Publikacja

  • Z. Kowalczuk
  • M. S. Tatara

  - Rok 2018

  The paper addresses the issue of modeling the flow process in transmission pipelines. A base model used for numerical simulation is introduced. Under certain assumptions concerning steady state analysis, the differential equations describing the process are solved analytically for two cases: zero and nonzero inclination angle α. These equations describe a constant flow rate and a corresponding distribution of the pressure along...

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• Advances in Hard–to–Cut Materials: Manufacturing, Properties, Process Mechanics and Evaluation of Surface Integrity

  Publikacja

  • S. Wojciechowski
  • G. Królczyk
  • R. Maruda

  - Materials - Rok 2020

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