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Visar resultat 1 - 5 av 96 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Elektrifiering av hydraulsystem : En studie kring lämpliga växlar och motorer för grävmaskinstillbehöret tiltrotatorn

    Uppsats för yrkesexamina på grundnivå, Uppsala universitet/Industriell teknik

    Författare :Hampus Lundgren; [2023]
    Nyckelord :cykloidväxel; elektrifiering; hydraulik; hållfasthet; mekanik; tiltrotator; cycloid drive; electrification; hydraulic; strength; mechanics; tiltrotator;

    Sammanfattning : Today’s electric excavators uses standard hydraulics to control external tools. To increase the degree of freedom the excavator is equipped with a tiltrotator placed between arm and bucket. LÄS MER

  3. 2. Signed Distance Field For Deformable Terrain Shovel Collision Detection

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för fysik

    Författare :Johannes Strid; [2023]
    Nyckelord :Signed Distance Fields; Collision Detection; Deformable Terrain;

    Sammanfattning : One commonly used representation of complex objects in physics-based simulations are triangle meshes. This representation utilizes a collection of triangles to approximate an object. An alternative representation is a Signed Distance Field (SDF). LÄS MER

  4. 3. Factors that influence an LHD operation: A Review

    Master-uppsats, Luleå tekniska universitet/Geoteknologi

    Författare :Ivan Ricardo Marin Rodriguez; [2023]
    Nyckelord :LHD; LHD Operation; LHD Design; Bucket Design; Loading Operation; LHD Productivity; Fragmentation; LHD Operator;

    Sammanfattning : As an important sector of the global economy, underground mining serves as the foundation for the economies of many nations. It involves the extraction of precious minerals, ores, and other geological elements. LÄS MER

  5. 4. Challenges and Metallurgical Benefits of Implementing Metal Additive Manufacturing : A Case Study on Excavator Bucket Teeth Comparing Sand Casting with Additive Manufacturing

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

    Författare :Sam Thai; Michael Thunberg; [2023]
    Nyckelord :Challenges; Electron Beam Melting; Metal Additive Manufacturing; Metallurgy; Microstructure; Porosity; Qualification; Sand Casting;

    Sammanfattning : Introduction: Production systems go through changes over time and there are different factors driving the change. Metal Additive manufacturing (AM) could be a factor with industries that already havetaken interest in the manufacturing technique. LÄS MER

  7. 5. Computer Vision for Volume Estimation and Material Classification

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

    Författare :Oliver Lagelius; Ludwig Wässman; [2023]
    Nyckelord :Clustering; DexiNed; Image Processing; SLIC Segmentation; Stereo Vision;

    Sammanfattning : Vehicular automation is a rapidly advancing field within robotics. These autonomous machines have the potential to perform burdensome and dangerous tasks that historically have been executed by humans which has been a long-time goal for the industry. LÄS MER