• A General Framework for Epidemic Logistics Management 

      Maharjan, Sujan; Solvang, Wei Deng; Yu, Hao (Chapter; Bokkapittel, 2023-01-26)
      Human history is full of epidemic outbreaks that occur on a regular basis. The past epidemics have resulted in millions of deaths and economic recessions. With the increasing frequency of human-induced epidemics in recent years, effective and efficient epidemic logistics management has become vital for successfully containing the spread of the disease as well as preventing societal disruption, ...
    • A General Framework for Measuring and Reporting Sustainability of the Aquaculture Industry 

      Solvang, Wei Deng; Nagarajan, Akshay; Thordarson, Diana Santalova (Chapter; Bokkapittel, 2023-01-26)
      It has been a paradigm shift for the aquaculture industry in the current parallel era of circular economy, green shift, and Industry 4.0. As one of the world’s largest industries with a long-lasting and significant influence on global prosperity, national economy, food safety, and public health, the importance of sustainability of the aquaculture industry cannot be underestimated. One of the challenges ...
    • A general reverse logistics network design model for product reuse and recycling with environmental considerations 

      Yu, Hao; Solvang, Wei Deng (Peer reviewed; Journal article; Tidsskriftsartikkel, 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 ...
    • 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 ...
    • A green supply chain network design model for enhancing competitiveness and sustainability of companies in high north arctic regions 

      Yu, Hao; Solvang, Wei Deng; Chen, Chen (Peer reviewed; Journal article; Tidsskriftsartikkel, 2014)
      To survive in today's competitive and ever-changing marketplace, companies need not only to engage in their products and/or services, but also to focus on the management of the whole supply chain. Effectively managing and balancing the profitability and interconnection of each player in the supply chain will improve the overall supply chain surplus as well as individual profit. However, it is extremely ...
    • Guidelines for increasing application of 3D Metal Printing- a case study at Equinor ASA 

      Naulakha, Niranjan Kumar (Master thesis; Mastergradsoppgave, 2021-05-19)
      The world is evolving towards automation at a rapid rate. With this, there are lot of gaps that need to be filled as we switch from conventional methodology of doing things to the adaptation of newer automated technology. One of those many news aspects is Additive Manufacturing, also known as 3D printing. 3D Printing has changed significantly over the years, from it being used for making prototypes ...
    • Heavy multi-pass TIG welding 

      Maske, Tomas (Master thesis; Mastergradsoppgave, 2017-05-23)
      This study aims to find the maximum, usable, feed limit at different arc-energies and use the findings in multi-pass welding planning for robotic welding, taking into consideration the high controllability of robot movements. A combined studies using numerical analyses and practical experiments to calculate the feed limits for different arc energies. Each weld where analysed both mathematical, ...
    • Hospital Capacity Management & Optimization in Covid-19 

      Mahmood, Faizan (Master thesis; Mastergradsoppgave, 2022-05-15)
      A hospital is an institute in the healthcare system that provides us with services like patient treatment focusing on specialized medical staff, including doctors, nurses and other healthcare workers, medical equipment, and procedures. The hospital is the first line of defence against any type of illness or a pandemic; it is the sector that has been the most devastated and is the most vulnerable. ...
    • Human-Robot Collaboration: Task Sharing Through Virtual Reality 

      Shu, Beibei; Sziebig, Gabor; Pieskä, Sakari (Peer reviewed; Book; Chapter, 2018-12-31)
      Collaborative Robots provide many possibilities, when it comes to Human-Robot Collaboration. Until now, these approaches are usually custom made, sensor-integrated solutions, where the robot's safety controller ensures the safety of the human worker. These solutions are according to today's rules and standards. We propose to extend these solutions with including Virtual Realty as a sensor and to ...
    • Ice Accretion on Fixed-Wing Unmanned Aerial Vehicle—A Review Study 

      Muhammed, Manaf; Virk, Muhammad Shakeel (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-28)
      Ice accretion on commercial aircraft operating at high Reynolds numbers has been extensively studied in the literature, but a direct transformation of these results to an Unmanned Aerial Vehicle (UAV) operating at low Reynolds numbers is not straightforward. Changes in Reynolds number have a significant impact on the ice accretion physics. Previously, only a few researchers worked in this area, ...
    • Ice Accretion on Rotary-Wing Unmanned Aerial Vehicles—A Review Study 

      Muhammed, Manaf; Virk, Muhammad Shakeel (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-03-08)
      Ice accretion on rotary-wing unmanned aerial vehicles (RWUAVs) needs to be studied separately from the fixed-wing UAVs because of the additional flow complexities induced by the propeller rotation. The aerodynamics of rotatory wings are extremely challenging compared to the fixed-wing configuration. Atmospheric icing can be considered a hazard that can plague the operation of UAVs, especially in the ...
    • Immunterapi må tilbys til alle 

      Måløy, Marthe (Chronicle; Kronikk, 2016-09-20)
    • The Impact of COVID-19 on Supply Chains and E-commerce Logistics 

      Gu, Shiqi (Master thesis; Mastergradsoppgave, 2022-05-16)
      As a result of the COVID-19 pandemic, supply, demand, and logistics have all been affected. Due to its unpredictable severity, the pandemic has highlighted the need to modify the existing supply chain model, the consumer structure model, and the digitization of markets. At the same time, the situation under COVID-19 offers increasing opportunities for e-commerce, including new business models and ...
    • An improved approach for sustainable outsourcing strategy 

      Zheng, Yan (Master thesis; Mastergradsoppgave, 2017-06-14)
      In the modern business world, the trend that calls for a harmonious coexistence between economic development and the natural environment is growing ever stronger. Under such global context, the sustainability of a company has become more and more emphasized. As a crucial part of the supply chain management, the outsourcing process should as well be able to deal with such concerns under the guidance ...
    • An Improved Mathematical Model for Green Lock Scheduling Problem of the Three Gorges Dam 

      Zhao, Xu; Lin, Qianjun; Yu, Hao (Journal article; Peer reviewed, 2019-05-08)
      In recent years, the environmental pollutions at the Three Gorges Dam have become an increasingly concerning issue of the Chinese government. One of the most significant environmental problems is the carbon emissions from the lockage operations at the two ship locks of the Three Gorges Dam. Currently, due to the large amount of vessels passing through the dam, there is always a long queue of vessels ...
    • 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 ...
    • Improving the Decision-making of Reverse Logistics Network Design Part I: A MILP Model under Stochastic Environment 

      Yu, Hao; Solvang, Wei Deng (Peer reviewed; Bokkapittel; Book; Bok; Chapter, 2018-02-11)
      The study of the network design problems related to reverse supply chain and reverse logistics is of great interest for both academicians and practitioners due to its important role for a sustainable society. However, reverse logistics network design is a complex decision-making problem that involves several interactive factors and faces many uncertainties. Thus, in order to improve the reverse ...
    • Improving the Decision-making of Reverse Logistics Network Design Part II: An Improved Scenario-based Solution Method and Numerical Experimentation 

      Yu, Hao; Solvang, Wei Deng (Peer reviewed; Chapter; Bokkapittel, 2018-02-11)
      The study of the network design problems related to reverse supply chain and reverse logistics is of great interest for both academicians and practitioners due to its important role for a sustainable society. However, reverse logistics network design is a complex decision-making problem that involves several interactive factors and faces many uncertainties. Thus, in order to improve the reverse ...
    • Improving the performance of service network through location-based optimization and analysis. A case study on postal service in a city in Northern Norway 

      Yang, Shuo (Master thesis; Mastergradsoppgave, 2017-08-15)
      Everyone needs to be served, and a service network provides a set of services and/or help to please the people involved. No matter who is the service provider, government or retailer, there always been a clash between them and customers. Service providers are trying their best to serve customers as many as possible with a limitation of cost, while the satisfaction of customer might be neglected at ...
    • Incorporating flexible capacity in the planning of a multi-product multi-echelon sustainable reverse logistics network under uncertainty 

      Yu, Hao; Solvang, Wei Deng (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-05)
      With the focus on sustainable development, the value recovery from End-of-Life (EOL) and End-of-Use (EOU) products has been given considerable attention by the whole society. Reverse logistics is the process for value recovery and re-creation through a series of activities, i.e., repair, remanufacturing, recycling and energy recovery. However, due to the stochastic reverse product flow, unstable ...