Search for dissertations about: "freight company"

Showing result 1 - 5 of 10 swedish dissertations containing the words freight company.

  2. 1. Optimization modelling and methods for freight transportation in scheduled railways

    Author : Kennet Melin; Peter Värbrand; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : In the planning process of a freight railway transportation company, a number of optimization problems arise. In this thesis, we study two of them; empty freight car distribution and line planning. READ MORE

  4. 2. Exploring Process Management as a Means for Greening Road Freight Transport

    Author : Priscilla Navarro; Peter Cronemyr; Maria Huge-Brodin; Anders Fundin; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Research has proven that we need to reduce our environmental impact. Sweden has set a goal to become fossil free by 2045. The increasing amount of transport and the need to reduce its environmental effects has put pressure on the companies of the road freight transport sector. READ MORE

  5. 3. Incorporating Environmental Aspects in Transport Purchasing

    Author : Anders Berglund; Förpackningslogistik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : The problem addressed in this thesis is how to account for environmental aspects when purchasing freight transports. This problem is addressed from a transport purchasing perspective. The result of the research is a model for how transport purchasers can incorporate environmental aspects when purchasing freight transports. READ MORE

  6. 4. Cost allocation methods in cooperative transportation planning

    Author : Joen Dahlberg; Stefan Engevall; Maud Göthe-Lundgren; Jenny Karlsson; Athanasios Migdalas; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Transportation, together with transportation planning for goods, provides good conditions for economic growth and is a natural part of modern society. However, transportation has negative side effects, including emissions and traffic congestion. READ MORE

  7. 5. An Investigation of the Iron-Ore Wheel Damages using Vehicle Dynamics Simulation

    Author : Saeed Hossein Nia; Sebastian Stichel; Matti Rantatalo; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; three-piece bogie; wear; RCF; prediction; traction; braking; heavy haul; simulation; Vehicle and Maritime Engineering; Farkostteknik;

    Abstract : Maintenance cost is one of the important issues in railway heavy haul operations. For the iron-ore company LKAB, these costs are mainly associated with the reprofiling and changing of the wheels of the locomotives and wagons. The main reason for the wheel damages is usually surface initiated rolling contact fatigue (RCF) on the wheels. READ MORE