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  • 1.
    Atif, Yacine
    et al.
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Ding, Jianguo
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Lindström, Birgitta
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Jeusfeld, Manfred
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Andler, Sten F.
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Yuning, Jiang
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Brax, Christoffer
    CombiTech AB, Skövde, Sweden.
    Gustavsson, Per M.
    CombiTech AB, Skövde, Sweden.
    Cyber-Threat Intelligence Architecture for Smart-Grid Critical Infrastructures Protection2017Conference paper (Refereed)
    Abstract [en]

    Critical infrastructures (CIs) are becoming increasingly sophisticated with embedded cyber-physical systems (CPSs) that provide managerial automation and autonomic controls. Yet these advances expose CI components to new cyber-threats, leading to a chain of dysfunctionalities with catastrophic socio-economical implications. We propose a comprehensive architectural model to support the development of incident management tools that provide situation-awareness and cyber-threats intelligence for CI protection, with a special focus on smart-grid CI. The goal is to unleash forensic data from CPS-based CIs to perform some predictive analytics. In doing so, we use some AI (Artificial Intelligence) paradigms for both data collection, threat detection, and cascade-effects prediction. 

  • 2.
    Ghorashi, Seyedeh Sedigheh
    et al.
    The International Journal of Tarrah Research Department, Iran.
    Hooshyar Yousefi, Bahram
    University of Skövde, School of Business. University of Skövde, Enterprises for the Future.
    Regeneration and local economy: Toward an innovative urban contribution model2019In: The International Journal of Tarrah (The Designer), ISSN 2008-9538, Vol. 5, no 14, p. 100-108Article in journal (Other academic)
    Abstract [en]

    The main objective of the current study is to proceed toward the potential of innovative regeneration derived from the local economy in Odlajan (a neighborhood in the historical district of Tehran, 12th municipal). In three steps we have addressed the subject; the first step consists of the concept of urban regeneration and the characteristics of the innovative economy associated with three basic categories (people, business and place). In the next feature, we have examined the objections of that the current status of the selected site; the unsustainable development, reduction of the sense of belonging, and un-sustainable regeneration. The third step, e have tried to define a prospect conceptual model based on innovative urban contribution including aforementioned aspects by short-term measures and long-term strategies.

  • 3.
    Ghorashi, Seyedeh Sedigheh
    et al.
    The International Journal of Tarrah Research Department, Iran.
    Hooshyar Yousefi, Bahram
    University of Skövde, School of Business. University of Skövde, Enterprises for the Future.
    Toward a Tactical “Urbanpreneur”2019In: The International Journal of Tarrah (The Designer), ISSN 2008-9538, Vol. 5, no 14, p. 10-19Article in journal (Other academic)
    Abstract [en]

    Looking at the city in parts, the place theory can be recognized in the term of three main axes; good city form, sequential movement, and the mutual impact of every physical and social component. In the place theory the main focus is the understanding process of the cultural aspects and human characteristics of the places. Some areas experience mutual interaction between city and citizens more than others. It is evidently considerable from literature that the most successful examples toward space enhancement (or the transformation of space to place) have come from two approaches: Urban entrepreneurship (urban-preneur) and the small changes which result in big social impact; a sense of the tactical action. These two approaches, Tactical Urbanism as an effective formula for putting good ideas into practice, and “Urban-preneurs” while embed in their socio--ecological environments -cities and towns- to draw influence are about making the place (for citizens) toward a more interacting liv- able one. This report is dedicated to clarifying the question of how street city life might contribute to alternative urban futures focusing on the mentioned two approaches. To this purpose first, we describe the notions of Tactical Urbanism and Urban Entrepreneur main characteristics associated with aforementioned approaches, then the report continues with the concept of Sharing Economy and urban entrepreneurship term, which focuses on recent decades economy approaches. Next, the current scene in two selected case studies, 30Tir Street in Tehran and pedestrian street zone Rasht city in Gilan province has been investigated. As the third part, we have demonstrated a path to open a wide dispensary to some possible tactical “Urban-preneur” in selected case studies.

  • 4. Hooshyar Yousefi, Bahram
    et al.
    Chokhachian, Ata
    Technische Universität München.
    Clues for Identity Formation in Contemporary Architectureof Iran: A search for the lost identity2015In: Designer Magazine, ISSN 2008-9538, no 11Article in journal (Other academic)
    Abstract [en]

    The buildings are one of the most resistant and at the same time exclusive creatures of human beings in different civilizations. In the past, the most significant impact of each society was the scale and hugeness of their buildings as a direct mirror of their power among other nations. Also theirs buildings were intelligent and practical enough to respect the nature and the user by means of implementing local achievements. The mentioned respect was not just for the nature, but it was caring about the beliefs, feelings, costumes and lifestyle of the inhabitants. Architecture in its scenario, since the commencement till now was in struggle to locate itself as the historical image of different styles and in this procedure it updates itself according to different forms, spaces, climates etc. within this frame, when we shift the lens on contemporary architecture of Iran which has got long history and background, the notion of identity becomes one of the main issues on the table. Identity could be discussed in diverse scale starting from human to the society, but when an architect tries to reflect identical phenomena in his/her design there are two contradictory orientations. Some of them are digging into the history to find clues of identity and reflect them in contemporary design but the other group has got too much radical view which means neglecting of classical architecture and looking for identity in more prospective perspective. The notion of identity and culture could alter from architect to architect, building to building and form to form. This article tries to give some clues and base points in order to bring two mentioned radical perspectives to a kind of mid-point which could possibly be a guideline for the cure of contemporary architecture in Iran.

  • 5.
    Ladrón de Guevara Muñoz, M. Carmen
    et al.
    University of Skövde, School of Engineering Science.
    Martín Márquez, Javier
    University of Skövde, School of Engineering Science.
    Mini-grid system study applied to a stand-alone house located in Málaga, Spain2015Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    A study of an off-grid photovoltaic system for the electrification of a stand-alone single residential house in a rural area located in the city of Málaga, Spain, is presented. The load of an average family house is analysed keeping in mind the available solar energy at this location. A preliminary sizing of the system is carried out considering predefined values for the efficiency of the different technologies employed in the system: photovoltaic (PV) array, batteries as energy storages, inverters to convert the energy obtained from the sun, and diesel gensets to ensure supply under any circumstances. Later, precise brands of the available technologies in the market are selected, and the system is re-sized using the new parameters. The life cycle cost of the mini-grid (MG) system shows that the amortization of the system in 20 years for a stand-alone house is not possible. Although it is not confirmed that 20 years will be sufficient to make the system profitable, other aspects are considered and discussed in terms of their feasibility in Málaga.

  • 6.
    Liu, Yu
    et al.
    University of Skövde, School of Engineering Science. University of Skövde, The Virtual Systems Research Centre.
    Syberfeldt, Anna
    University of Skövde, School of Engineering Science. University of Skövde, The Virtual Systems Research Centre.
    Strand, Mattias
    University of Skövde, School of Engineering Science. University of Skövde, The Virtual Systems Research Centre.
    Review of simulation-based life cycle assessment in manufacturing industry2019In: Production & Manufacturing Research, ISSN 2169-3277, Vol. 7, no 1, p. 490-502Article in journal (Refereed)
    Abstract [en]

    The manufacturing industry has a duty to minimize its environmental impact, and an increasing body of legislation mandates environmental impact evaluations from a life cycle perspective to prevent burden shift. The manufacturing industry is increasing its use of computer-based simulations to optimize production processes. In recent years, several published studies have combined simulations with life cycle assessments (LCAs) to evaluate and minimize the environmental impact of production activities. Still, current knowledge of simulations conducted for LCAs is rather disjointed. This paper accordingly reviews the literature covering simulation-based LCAs of production processes. The results of the review and cross-comparison of papers are structured in terms of seven elements in line with the ISO standard definition of LCA and report the strengths and limitations of the reviewed studies. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

  • 7.
    Martinsson, Erik
    et al.
    University of Skövde, School of Technology and Society.
    Martinsson, Emil
    University of Skövde, School of Technology and Society.
    Säf, Sören
    University of Skövde, School of Technology and Society.
    IWESS, an integrated water, energy and sanitation solution: A holistic approach to reach sustainability trough organic waste management for the Lake Victoria Basin, Kenya2008Independent thesis Basic level (degree of Bachelor), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The process of allocating necessary resources like clean water, fuel/energy and food have resulted in an unsustainable use of natural resources causing problems with Soil erosion, soil fertility, desertification, deforestation, eutrophication and global warming. The purpose of this study was to gain information on the functional design of a waste management system enabling the organic components of domestic waste to be processed as useful resources while at the same time allow them to be re-circulated. The main part of this study was carried out at the Kendu SDA Hospital in the Rachyonyo district in western Kenya. For the case of this study two main objectives where chosen. The first was to develop a principal technological solution using three classed “appropriate technologies” found suitable for the purpose namely biogas, ecological water treatment systems and slow sand filtration. The second was to further analyse each included technology to further develop their potential to fit the concept. Results from the pilot facilities where then to be retrieved from the actual component selection and construction process itself, with performance analysis left for future studies.

    The main purpose of the biogas system study has been to evaluate the original ideas of overall concept, details, materials and construction methods. The 1 m3 biogas system has improved significantly during the development process and is today not far from an implementation, i.e. construction on a slightly larger scale. The biogas system developed during the project has proven to have potential for digestion of both latrine and kitchen waste. Using the two as fuel for the process does not only remove a problem – it grants several benefits.

    The ecological waste water treatment system main objective was to design and construct a pilot SSF-wetland. Results show that the construction process for smaller scaled SSF systems is simple and does not require trained personnel or specialized equipment and that significant cost reduction can be made by using locally available materials.

    The slow sand filtration sub system concept is called PT SCX and though still in the stage of development proved to have great potential concerning both efficiency and sustainability. The PT SCX comprises the advantages of slow sand filtration with further development of individual system solutions. It was adapted to enable both integration to the IWESS solution and stand alone installations purifying even highly turbid surface water sources to drinking water quality.

    The result from the study confirms the suitability of the three included technologies, ecological waste water treatment, biogas and slow sand filtration to work in an integrated system called IWESS- Integrated Water Energy and Sanitation Solution. The combined subsystems can together with source separated sewage offer full resource recovery enabling recirculation of both nutrients and water. In addition the system can be designed as a net producer of renewable and emission free energy.

  • 8.
    Svensson, Lotten
    et al.
    University of Skövde, School of Business. University of Skövde, Enterprises for the Future.
    Hooshyar Yousefi, Bahram
    University of Skövde, School of Business. University of Skövde, Enterprises for the Future.
    Location as a Key Factor to Develop Strategic Resource: A Study of Space, Place and Identity2016Conference paper (Refereed)
    Abstract [en]

    Taking into account the increasing urbanization in Europe, young people prefer bigger cities and eventually small towns face the challenge of aging and immigrant populations requiring evermore social services even as tax revenues decrease. It seems a necessity for the regional enterprises/authorities to revise their strategic vision in associated with the raising of awareness among the citizens and socio-economic stakeholders in the long-term strategies/priorities. Structuring a powerful approach toward the concept of attractiveness through a location-based assertiveness will not only be supported by the local public or community initiatives, but also through the resource-based theory to stablish new opportunities of public/private partnership in the locations. The concept community values, combining with the strategic vision of the local authority scenario would idealistically cause the raising of awareness among the citizens and socio-economic stakeholders in the scenario-based implementation of resilient of the long-term strategies/priorities; this path is capable also in a public mobilization for a sustainable collective action to sharing a purpose, a common fate in the sense of the evolution of socio-economic norms which eventually integrates the cultural, social, economic and environmental values with the “location”; this could be the platform for a model that shows location-based growth orientation aspects are in a profound interaction with what we call “place identity”. The main ambition of our paper is to look at location as a structured dynamism to support the diversification strategy of owner-managed local companies through literature-based approach to examine whether location, as a strategic resource, contributes to sustainable competitive advantage for companies. So our study contributes to the discussion of the importance of “location” as a factor for creating strategic resources that can create and/or contribute to the competitive advantage of enterprises mostly based on the regionalization strategies; this will promote the mobilization of local actors to develop the competitiveness and attractiveness of their territory, while stimulating a collaborative approach between the territories to expand their capacities. In the maturity phase the resource-based view developed to be a resource-based theory that must evolve in order to extend the maturity phase. As the resource-based view assumes that resources are heterogeneously distributed among companies, various factors [external and internal] explain how profitability can be created and maintained in the long term. We have applied an interdisciplinary grounded theory method by combining the literature-based data from studies of resource based strategies and urban discussion related to space/location; The evidence from some interviews with company leaders, owners, managers and influential representatives of various community activities and entities also helped us to run an inductive reasoning approach as a hypothetical clarification of the action(s) that recurrently determines the main apprehension of the accomplices in an applicable area.

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