Search for dissertations about: "Johan Forsberg"

Showing result 1 - 5 of 6 swedish dissertations containing the words Johan Forsberg.

  1. 1. Mobile robot navigation and map generation using range measurements

    Author : Johan Forsberg; Luleå tekniska universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Abstract : This thesis is on mobile robot navigation using range sensors. The two sensors types used are time-of-flight lasers and sheet-of-light range cameras, both giving densely spaced range measurements. Map generation and navi gation are achieved in indoor environments, even when there are lots of disturbing objects giving cluttered range measurements. READ MORE

  2. 2. Mobile robot navigation using non-contact sensors

    Author : Johan Forsberg; Luleå tekniska universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Abstract : This thesis concerns localization and control of mobile robots using range measurements from optronic sensors, in particular scanning time-of-flight lasers. The thesis covers the localization algorithms, on-line sensor calibration and tele-operation for semi-autonomous control of mobile robots. READ MORE

  3. 3. In Situ Soft X-ray Spectroscopies Applied to Atmospheric Corrosion And Related Systems

    Author : Johan Forsberg; Joseph Nordgren; Laurent Duda; Clemens Heske; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; Physics; Fysik;

    Abstract : This thesis concerns the application of various soft x-ray spectroscopic methods (soft x-ray absorption, SXA, and emission, SXE) to complex, non-vacuum compatible systems, including liquids and multi-phase systems. The design, construction, and application of new instrumentation for in situ spectroscopy is described in detail. READ MORE

  4. 4. Reproductive biology of some Pierid butterflies

    Author : Johan Forsberg; Stockholms universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Pierid butterflies; Reproduktionsbiologi;

    Abstract : .... READ MORE

  5. 5. Impacts of Active Transport on Health : with a focus on physical activity, air pollution, and cardiovascular disease

    Author : Wasif Raza; Johan Nilsson Sommar; Bertil Forsberg; Benno Krachler; Otto Hänninen; Umeå universitet; []
    Keywords : MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Health impact assessment; Air pollution; Active commuting; Exercise; Interaction. Cardiovascular diseases; Ischemic heart diseases; Stroke; Public health; folkhälsa; Occupational and Environmental Medicine; arbets- och miljömedicin;

    Abstract : Background: There are increasing number of health impact assessment studies investigating the health effects by transferring trips made by motorised transport to active commuting; however, air pollution exposure during active commuting and its impact on health has been less thoroughly assessed. It is furthermore uncertain whether there is any interaction effect between air pollution and physical activity for the risk of cardiovascular diseases. READ MORE