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Trends in ICT and multimedia supported education
Marko Papić, Janez Bešter, 2012, review article

Abstract: The formal educational system is facing different problems regarding adaptation towards the needs of a modern knowledge society. In the article, two important and comprehensive challenges to today's formal educational system are discussed and commented upon. The first problem is the incoherence between the needs of the labor market and formal education system outcomes in terms of graduated students. Another problem is the distancing between the prevailing traditional pedagogical methods within formal educational institutions and the ways in which students acquire information and knowledge outside of the schools as they are becoming less and less interested in traditional lectures. It is argued that specific information and communication system technologies (ICT) supported mechanisms, such as social learning and virtual communities may address these challenges. Theories of communities and social learning that may be useful for implementation in the education system are explained and practical implementation is proposed.
Keywords: education systems, knowledge society, ICT, multimedia, e-learning
Published in DKUM: 22.01.2018; Views: 940; Downloads: 294
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Knowledge-cum-values management belongs to the way out from global crisis
Zdenka Ženko, Matjaž Mulej, Vojko Potočan, 2017, original scientific article

Abstract: Background: The contemporary world-wide socio-economic crisis tends to escalate and contribute to the global crisis. Limitation of education to one-sided ‘knowledge management’ rather than socially responsible ‘knowledge-cum-values-management’ is one of the crisis’s causes. Objectives: The limitations to current knowledge management should be analyzed with systemic thinking. Which values are prevailing in it now and which values will enable the survival of humankind? Methods/Approach: In the first part, literature is reviewed for analysis and conceptual generalization of knowledge management. The theoretical framework based on ‘system theory’, ‘knowledge management’ and ‘knowledge-cum-values management’, and ‘values of social responsibility’ is introduced. In the second part a new theoretical concept “A potential methodological support for human transition from one-sided to requisitely holistic behavior via social responsibility” is discussed. Results: Knowledge management is a too narrow concept, it tends to leave aside human values, an impact on the natural environment, and extremely growing differences. Humankind needs consideration of responsibility, interdependence and holism in order to minimize detrimental impact of individual behaviour on society, i.e. humans and nature. Conclusions: The research indicates that individuals should attain more requisite holism, and should not be irrational by trying to attain only rationalism in human decision-making and action.
Keywords: knowledge-cum-values management, Dialectical Systems Theory, corporate social responsibility
Published in DKUM: 31.08.2017; Views: 810; Downloads: 326
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GAJA : 3-D CAD methodology for developing a parametric system for the automatic (re)modeling of compound washer dies' cutting-components
David Potočnik, Bojan Dolšak, Miran Ulbin, 2013, original scientific article

Abstract: Although the designing of cutting-dies is a complex and experience-based process, it is poorly supported by conventional 3D CAD software. Thus, the majority of design activities, including the (re)modeling of those cutting die-components that are directly responsible for performing shaping operations on a sheet-metal stamping part, traditionally still need to be carried-out repetitively, separately, and manually by the designer. In order to eliminate some of these drawbacks and upgrade the capabilities of conventional 3D CAD software, this paper proposes a new methodology for the development of a parametric system capable of automatically performing a (re)modeling process of compound washer diesć cutting-components. The presented methodology integrates CATIA V5 built-in modules, including Part Design, Assembly Design and Knowledge Advisor, publication mechanism, and compound cutting die-design knowledge. The system developed by this methodology represents an 'intelligent' assembly template composed of two modules 'GAJA1' and 'GAJA2', respectively. 'GAJA1' is responsible for the direct input of the die-design problem regarding the shape, dimensions and material of the stamping part, its extraction in the form of geometric features, and the transferring of relevant design parameters and features to the module 'GAJA2'. 'GAJA2' interprets the current values for the input parameters and automatically performs the modeling process of cutting die-components, using die-design knowledge and the company's internal design and manufacturing standards. Experimental results show that the use of this system significantly shortens the modeling-time for cutting the die-components, improves the modeling-quality, and enables the training of inexperienced designers.
Keywords: parametrično modeliranje, rezalna orodja, računalniško podprti sistemi, inteligentno računalniško podprto konstruiranje, parametric modeling, cutting dies, computer-aided systems, knowledge-based design
Published in DKUM: 10.07.2015; Views: 2358; Downloads: 38
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Absorptive capacity in European manufacturing: a Delphi study
Petra Jung Erceg, Krsto Pandža, Heidi Armbruster, Carsten Dreher, 2007, original scientific article

Abstract: This paper sets out to discuss the results of a specific part of a Europe-wide Delphi study that considers issues of absorptive capacity in European manufacturing. Owing to the importance to competitiveness of increasing innovative capabilities in manufacturing it is highly relevant to explore how a wide community of manufacturing experts experience the phenomenon of absorptive capacity and sense future developments. A two round Delphi method was designed in which more than 3,000 experts from 22 European countries assessed 101 statements. This paper discusses eight statements focused on the issue of absorptive capacity. The results show a general consensus about the influence of different inter-firm relationships in acquiring external knowledge and a diversified knowledge structure for assimilating the acquired knowledge. The study also indicates some potential challenges and contradictions in managing inter-firm relationships and knowledge diversity aswell as perceived barriers for future developments of absorptive capacity. Delphi survey is an empirical method subject to the limitation of testing or inductively building theoretical concepts. The results of the Delphi study arepredominantly centred on policy implication and on informing strategic decision-making at manufacturing firms. This paper discusses one of the biggest Delphi surveys ever conducted in Europe. Its comprehensiveness increases the value of the results.
Keywords: industry, manufacturing systems, knowledge capture, Delphi method, Europ
Published in DKUM: 01.06.2012; Views: 1304; Downloads: 76
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An intelligent system for structural analysis-based design improvements
Marina Novak, Bojan Dolšak, 2008, original scientific article

Abstract: The goal of the research work presented in this paper was to collect, organize, and write the knowledge and experience about structural analysis-based design improvements into a knowledge base for a consultative advisory intelligent decision support system. The prototype of the system presented proposes possible design changes that should be taken into consideration to improve the design candidate according to the results of a prior stress-strain or thermal analysis. The system can be applied either in the design of new products or as an educational tool.
Keywords: computer-aided design, structural optimisation, knowledge based systems, decision support
Published in DKUM: 31.05.2012; Views: 2965; Downloads: 34
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Intelligent FEA-based design improvement
Marina Novak, Bojan Dolšak, 2008, original scientific article

Abstract: Structural analysis using the finite element method is an integrate part of the design process for many components. Finite element analysis is the most extensively used numerical analysis in mechanical engineering practice and is incorporated into many computer-aided design systems. The existing commercial software is very helpful when supporting realisation of the analysis process but still fails to provide adequate support during the post-processing phase. The results of analysis should be studied and decisions made regarding the designćs suitability with respect to its engineering specifications. In general, design changes are indispensable and designers need help to design them properly. The prototype of an intelligent rule-based consultative system is being developed by the authors to provide such advice when considering a description of the design structurećs critical area. This system is encoded in Prolog. It can deal with the results of prior strain-stress or thermal analysis. It presents a short list of proposed design changes that should be taken into account when improving the design.
Keywords: structural analysis, finite elment analysis, design modification, decision support, Prolog, knowledge-base systems
Published in DKUM: 31.05.2012; Views: 1628; Downloads: 71
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Intelligent support to specific design aspects
Urška Sancin, Jasmin Kaljun, Bojan Dolšak, 2008, original scientific article

Abstract: Due to increased rivalry on the market, some specific design aspects like the use of modern plastics materials, ergonomics and aesthetics are becoming more important and are not kept in the background any more in correlation with functionality and economic aspect of the product. Design engineer faces many dilemmas while designing new products as a single person is not able to possess a wide spectrum of knowledge needed for optimal design solutions. At this point designer have to rely on his or her experience and on the knowledge of the expert team involved in the project. The fundamental purpose of the research presented in this paper is to make the product development process less experience dependent. The main goal of thematically oriented research is to develop intelligent advisory system with integrated modules forsome specific design aspects.
Keywords: product development, ergonomics, aesthetics, plastics, knowledge based engineering, intelligent systems
Published in DKUM: 31.05.2012; Views: 1517; Downloads: 32
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Absorptive and transformative capacities in nanotechnology innovation systems
Krsto Pandža, Robin Holt, 2007, original scientific article

Abstract: We identify managerial challenges offered by an emergent nanotechnology innovation system in which knowledge is dispersed, asymmetric and contested. We argue the proposed models of knowledge absorption and transformation enhance existing theories of knowledge and emergent technology by recognizing how and why knowledge flows among the actors in emergent technology innovationsystem. We base our argument on combined research evidence from a Delphi study concerning the future of European manufacturing, from which a selected statement has been analyzed, and from analysis of the NanoManufacturing Institute at Leeds University, UK; specifically its work in building ties between different actors associated with nanotechnology. We conclude our paper with suggestions for future research.
Keywords: technology management, nanotehnology, innovation systems, knowledge flows, absorptive capacity, transformative capacity
Published in DKUM: 31.05.2012; Views: 1432; Downloads: 87
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