Sökning: "positioning systems"

Visar resultat 1 - 5 av 313 uppsatser innehållade orden positioning systems.

  1. 1. Real-Time Navigation for Swarms of Synthetic Aperture Radar (SAR) Satellites

    Master-uppsats, Luleå tekniska universitet/Rymdteknik

    Författare :Antoni Eritja Olivella; [2024]
    Nyckelord :SAR; Real-time orbit determination; Real-time baseline determination; swarms; satellite; formation flying;

    Sammanfattning : The pursuit of precision and flexibility in satellite missions has led to an increased number of formation flying missions being developed. These systems consist of multiple satellites flying at close distances (from a few kilometres to a few meters) to achieve common objectives. LÄS MER

  3. 2. Tillämpning av additiv tillverkning för framtagning av ett hållfast formsprutningsverktyg

    Master-uppsats, Mälardalens universitet/Akademin för innovation, design och teknik

    Författare :Ahmed Najaf; JR Pezo Salas; [2024]
    Nyckelord :Formsprutning; SLA; 3D-printning; Additiv tillverkning; Resin; CAD; Gjutform; Optimering; Produktutveckling; Konstruktion; Design.;

    Sammanfattning : Introduction: Additive manufacturing (AT) also known as 3D printing has become a more widespread technology in various industries. The manufacturing method has increased the efficiency of manufacturing industries in producing products with technically challenging properties. LÄS MER

  4. 3. Turning the tide on marine biodiversity loss: How Swedish coastal cities are leveraging citizen interaction to improve conservation outcomes

    Master-uppsats, Lunds universitet/Internationella miljöinstitutet

    Författare :Martine Deinum; [2023]
    Nyckelord :Marine spatial planning; urban planning; blue space; program theory; citizen interaction; coastal conservation; Earth and Environmental Sciences;

    Sammanfattning : Rapid coastal urbanization and declining marine biodiversity rates are complex problems that require broad, integrated sets of solutions. Although isolating nature from human impact prevails as the standard conservation approach, social-ecological systems require more holistic solutions. LÄS MER

  5. 4. Collaborative Mapping with Drone Swarms Utilizing Relative Distance Measurements

    Master-uppsats, Linköpings universitet/Reglerteknik

    Författare :Johan Forsman; Carl Tidén; [2023]
    Nyckelord :;

    Sammanfattning : The field of use for unmanned aerial vehicles, UAVs, has completely exploded in the last decade. Today they are used for surveillance missions and inspecting places that are difficult for people to access. To increase the efficiency and robustness in the execution of these types of missions, swarms of cooperating drones can be used. LÄS MER

  7. 5. Sensorless Hybrid Field-Oriented Control Two-Phase Stepper Motor Driver

    Master-uppsats, Linköpings universitet/Reglerteknik

    Författare :Emil Lydell; [2023]
    Nyckelord :Stepper motor; Field-Oriented Control; FOC; Driver; Two-Phase; 2-Phase;

    Sammanfattning : Hybrid stepper motors are small electrical motors with high torque production, compared with other electrical motors of the same size. Hybrid stepper motors are reliable in open-loop systems, in Sinusoidal mode, but with a drawback of high power consumption. LÄS MER