Now showing items 21-40 of 55

    • A multi-objective mathematical programming for sustainable reverse logistics network design. Part I: Model formulation 

      Yu, Hao; Solvang, Wei Deng; Solvang, Bjørn (Journal article; Peer reviewed; Tidsskriftartikkel, 2016-02)
      Reverse logistics has received more and more attention during the past decade due to the increasing public awareness of sustainable development. Because of the fluctuation in both quantity and quality of the reverse material flow, design and planning of reverse logistics network is much more complicated comparing with the forward ones. Therefore, it is important to develop decision support tools for ...
    • A multi-objective mathematical programming for sustainable reverse logistics network design. Part II: Model application and analysis 

      Yu, Hao; Solvang, Wei Deng; Solvang, Bjørn (Peer reviewed; Chapter; Bokkapittel, 2016-02)
      Reverse logistics has received more and more attention during the past decade due to the increasing public awareness of sustainable development. Because of the fluctuation in both quantity and quality of the reverse material flow, design and planning of reverse logistics network is much more complicated compared with the forward ones. Therefore, it is important to develop decision support tools for ...
    • State of the Art Review of Atmospheric Icing Sensors 

      Mughal, Umair Najeeb; Virk, Muhammad Shakeel; Mustafa, Mohamad (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-03-31)
      A state of the art review of atmospheric icing sensors is presented in this article, in order to understand their design and working principle for future developments. It is found that most atmospheric icing sensors which are capable of delivering maximum information are based upon direct measurement of the physical properties (electrical or mechanical) of atmospheric ice. Some field measurements ...
    • A general reverse logistics network design model for product reuse and recycling with environmental considerations 

      Yu, Hao; Solvang, Wei Deng (Peer reviewed, 2016-04-02)
      Reverse logistics is believed to be one of the most promising solutions for capturing the remaining values from used products and has been extensively focused by both academics and practitioners during the past two decades. Conceptual framework, mathematical programming and computational algorithms have been developed for decision making at strategic, tactical and operational levels of a reverse ...
    • Experimental validation of icing rate using rotational load 

      Mughal, Umair Najeeb; Virk, Muhammad Shakeel; Kosugi, Kenji; Mochizuki, Shigeto (Peer reviewed, 2016-04-16)
      Icing load and icing rate are necessary feedback variables for an intelligent anti/de-icing systemtowork effectively in harsh cold environment of high north. These parametersmay be measured by axial loadings or by rotational loadings, as a function of current demand. However the former may not necessarily be dynamic, whereas the later necessarily be rotational. Sufficiently at a fixed rpm, a ...
    • Numerical study of atmospheric ice accretion on rotating geometric cross sections with fins 

      Mughal, Umair Najeeb; Virk, Muhammad Shakeel (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-05-12)
      This paper describes the numerical study of atmospheric ice accretion on rotating geometric cross sections, circular, hexagon and square , all having fins, to select an optimum geometric cross section for use as a rotating part of a newly- proposed designed icing sensor. Computational fluid dynamics-based numerical analyses were carried out in this research work to understand and analyse the ...
    • An improved multi-objective programming with augmented ε-constraint method for hazardous waste location-routing problem 

      Yu, Hao; Solvang, Wei Deng (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-05-31)
      Hazardous waste location-routing problems are of importance due to the potential risk for nearby residents and the environment. In this paper, an improved mathematical formulation is developed based upon a multi-objective mixed integer programming approach. The model aims at assisting decision makers in selecting locations for different facilities including treatment plants, recycling plants and ...
    • SMEs challenges and needs in relation to innovation agendas and strategies 

      Ericson, Åsa; Holmqvist, Johan; Wenngren, Johan; Kaartinen, Heidi; Solvang, Wei Deng (Chapter; Bokkapittel; Conference object; Konferansebidrag, 2016-06-21)
      Regional research project are, as is also regional industry, highly need-based. That is, understanding the stakeholders’ (or customers’) real challenges and related needs is important. This study is based on interviews with SMEs in the Northern parts of Finland, Norway and Sweden, but also on available innovation agendas and strategies for each country. The differences among the companies in those ...
    • Multiphysics based Numerical Study of Atmospheric Ice Accretion on a Full Scale Horizontal Axis Wind Turbine Blade 

      Virk, Muhammad Shakeel; Mughal, Umair Najeeb; Hu, Q; Jiang, X (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08)
      Atmospheric icing on wind turbines have been recognized as a hindrance to the development of the wind power in cold regions, where uncertainty surrounding the effects of icing on energy production may prevent otherwise good wind resources from being utilized. This research paper is focused on to numerically simulate the rate and shape of atmospheric ice accretion on a full-scale horizontal axis ...
    • Samarbeid for selvbevisste 

      Måløy, Marthe (Chronicle; Kronikk, 2016-08-25)
    • Immunterapi må tilbys til alle 

      Måløy, Marthe (Chronicle; Kronikk, 2016-09-20)
    • A Goal Programming Approach for Green Supply Chain Network Optimization 

      Yu, Hao; Solvang, Wei Deng; Solvang, Bjørn (Chapter; Bokkapittel, 2016-10)
      Green supply chain management has been focused by both academicians and practitioners in recent years due to the increased public awareness on environmental problems and sustainable development. In this paper, a decision aided model for green supply chain network design and optimization is proposed to justify both economic and environmental performance in an optimal fashion. The model is formulated ...
    • Welding Certification for Autonomous Robotized Welding 

      Sziebig, Gabor; Maske, Thomas (Chapter; Bokkapittel, 2016-10-23)
      The increased production of more and more complex products challenges the accuracy of manual welding, and increase the time it takes to program automatic welding systems. The main objective for the article is to explore if current regulations and standards are able to accommodate the shift from automatic welding to autonomous welding systems. To do this, the most current and applicable standards ...
    • To Measure Relative Permittivity of Atmospheric Ice Using Frequency Sweep 

      Mughal, Umair Najeeb; Shu, Beibei (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-10-31)
      The use of AD59333 IC for detecting atmospheric ice and atmospheric ice type was evaluated in this article. A prototype circuit was developed and was tested using a frequency sweep from 40 Hz to 20 kHz. The IC was calibrated using 100 kΩ resistor. The real and imaginary components of discrete Fourier transform were recorded at each frequency increment in order calculate the gain factor at each ...
    • A stochastic programming approach with improved multi-criteria scenario-based solution method for sustainable reverse logistics design of Waste electrical and electronic equipment (WEEE) 

      Yu, Hao; Solvang, Wei Deng (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-12-17)
      Today, the increased public concern for sustainable development and more stringent environmental regulations have become the most important driving forces for value recovery from end-of-life and end-of use products through reverse logistics. Waste electrical and electronic equipment (WEEE) contains both valuable components that need to be recycled and hazardous substances that have to be properly ...
    • A multi-objective location-allocation optimization for sustainable management of municipal solid waste 

      Yu, Hao; Solvang, Wei Deng (Journal article; Peer reviewed; Tidsskriftartikkel, 2017-02-13)
      The location problem of treatment and service facilities in municipal solid waste (MSW) management system is of significant importance due to the socioeconomic and environmental concerns. The consideration of waste treatment costs, environmental impact, greenhouse gas (GHG) emissions, social fairness as well as other relevant aspects should be simultaneously taken into account when a MSW management ...
    • Enhancing the competitiveness of manufacturers through Small-scale Intelligent Manufacturing System (SIMS): A supply chain perspective 

      Yu, Hao; Solvang, Wei Deng (Peer reviewed; Conference object; Konferansebidrag; Bokkapittel; Chapter, 2017-05-04)
      In order to survive in this competitive and ever changing market, manufacturers have to improve and enhance the competitiveness, flexibility, responsiveness and sustainability with the application of the cutting-edge technologies and innovative management methods. New concepts, i.e., Intelligent manufacturing, flexible manufacturing, agile manufacturing, network manufacturing, green manufacturing ...
    • A Carbon-Constrained Stochastic Optimization Model with Augmented Multi-Criteria Scenario-Based Risk-Averse Solution for Reverse Logistics Network Design under Uncertainty 

      Yu, Hao; Solvang, Wei Deng (Journal article; Peer reviewed; Tidsskriftartikkel, 2017-07-10)
      With the increase of the concern from the public for environmental pollution and waste of resources, the value recovery through reuse, repair, remanufacturing and recycling from the end-of-use (EOU) and end-of-life (EOL) products have become increasingly important. Reverse logistics is the process for capturing the remaining value from the EOU and EOL products and also for the proper disposal of the ...
    • Future Role of Application of New Technologies in Small-and Medium Scale Manufacturing Systems - Regarding Intelligent and Advanced Manufacturing Systems in Northern Peripheral Area 

      Somlò, Kinga; Sziebig, Gabor (Peer reviewed; Konferansebidrag; Conference object, 2017-08-08)
      Nowadays the concept of Industry 4.0. and the relating intelligent manufacturing system are getting more and more current and well-known. In the past years the outstanding development of different areas such as information technology computer science, machining, robotics and so on, made possible a comprehensive transformation of the manufacturing systems. Present paper aims to give a general overview ...
    • Remote Operation and Assistance in Human Robot Interactions with Vibrotactile Feedback 

      Sziebig, Gabor; Korondi, Peter (Peer reviewed; Conference object; Konferansebidrag, 2017-08-08)
      This paper investigates intuitiveness in human robot interactions with focus on remote operation and assistance. The increasing number of robot applications in small volume production requires new techniques to ease the use of these sophisticated systems. A vibrotactile device was used for experiments. Vibration patterns are developed to represent a cognitive information channel for the remote ...