Sökning: "vibrations"

Visar resultat 16 - 20 av 560 uppsatser innehållade ordet vibrations.

  1. 16. Machine Condition Monitoring of Production Equipment

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Institutionen för reglerteknik

    Författare :Alexander Olsson; Henrik Persson Caesar; [2023]
    Nyckelord :Technology and Engineering;

    Sammanfattning : This study investigates the possibility of implementing a machine monitoring system on IBAS2, a production machine responsible for aligning an optical lens with an image sensor. A machine-monitoring system could possibly reduce downtime, costs, and production recalls. LÄS MER

  3. 17. Design and implementation of an energy harvesting system in a prosthetic limb

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Ódinn K. Rúnarsson; [2023]
    Nyckelord :Energy harvesting; Prosthetic limbs; Supercapacitors; Printed circuit boards; 3D printing; Energiinsamling; Lemmproteser; Superkondensatorer; Tryckta kretskort; 3D Utskrivning; Orkuöflun; Gervilimir; Ofurþéttar; Prentaðar rafrásir; Þrívíddarprentun;

    Sammanfattning : Energy Harvesting, also known as power harvesting or ambient power, is the process of obtaining small amounts of power from secondary sources, such as vibrations, light, temperature variations and even radio-frequency emissions. These systems have been uncommon in personal and wearable electronics in the past, however they are slowly gaining traction. LÄS MER

  4. 18. Electrifying Agricultural Implements : A study of design implications of electrification

    Master-uppsats, Jönköping University/JTH, Industriell produktutveckling, produktion och design

    Författare :Jonatan Magnusson; Pettersson Eric; [2023]
    Nyckelord :Electrification; Agriculture; Electrified implements; 48 V; Agricultural electrification; Electromechanics; Mechatronics; Mechanical Engineering; Product development; Case study;

    Sammanfattning : As the world seeks to become less reliant on fossil fuels and use more electric energy instead new possibilities for development of agricultural implements opens. Major tractor manufacturers have recently announced tractors with over tenfold increases in electrical power. LÄS MER

  5. 19. Hur kan framtidens energibehov säkerställas i asfaltbranschen? : En studie för att finna potentiella åtgärder som leder till ett minskat energibehov för ett asfaltverk, samt undersöka möjligheten att producera solel på en asfaltanläggning

    Master-uppsats, Linköpings universitet/Energisystem

    Författare :Stina Berglund; Tove Danielsen; [2023]
    Nyckelord :Asphalt plant; Energy audit; Energy efficiency; Renewable energy; Asfaltverk; Energikartläggning; Energieffektivisering; Förnybar energi;

    Sammanfattning : Ett scenario för att nå nettonollutsläpp av växthusgaser till år 2050 har tagits fram av IEA. I scenariot framgår att det krävs en ökning av energieffektivisering, samt att användning av förnybara energikällor bör öka under detta årtionde. LÄS MER

  7. 20. Analysis of high-voltage low-current DC/DC converters for electrohydrodynamic pumps

    Kandidat-uppsats, Uppsala universitet/Institutionen för elektroteknik

    Författare :Sigge Axelsson; Jonas Gartner; Axel Stafström; [2023]
    Nyckelord :high-voltage; low-current; low-power; DC DC; DC-DC; high-gain; converter; electrohydrodynamic pump; EHD; transformerless converter; Royer-based converter; resonant Royer oscillator; Cockroft-Walton voltage multiplier; CWVM; voltage multiplier; series-connected positive-negative voltage multiplier; SPNVM; planar air-core transformer; planar transformer; high-freqency Royer-based converter; overcurrent protection; LT8331; gallium nitride; GaN; planar PCB-integrated transformers;

    Sammanfattning : Moving parts cause vibrations and tend to wear out. In applications where maintenance is complicated, solutions without moving parts are therefore advantageous. Electrohydrodynamic pumps are such a solution. Instead of mechanical propulsion, they use strong electric fields to induce movement in a dielectric cooling liquid. LÄS MER