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Showing result 1 - 5 of 246 essays matching the above criteria.

  1. 1. FPGA Based Control of Multiple Electric Machines for Marine Propulsion Systems

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Simon Weideskog; [2024]
    Keywords : FPGA; Field Oriented Control; BLDC; SVPWM; SMO; Electric Drives; Electric Machines; Sliding Mode Observer; Marine Propulsion; Multiple Machines; Boat Motor; Fältorienterad styrning; marin framdrivning; elektriska drivsystem; elmaskiner; flertal maskiner; båtmotor;

    Abstract : This master thesis addresses the control of electric propulsion motors in a marine context. The focus lies mainly on the implementation of field oriented control (FOC) in a field programmable gate array (FPGA). The hypothesis is that FPGAs provide performance advantages over microcontroller-based control solutions by enabling parallel processing. READ MORE

  3. 2. Relationship between Fatigue Properties and Surface Treatment of Aluminum Alloy

    University essay from

    Author : Umair Ali Khan; Soroosh Zahedi; [2023-09-14T08:42:05Z 2023-09-14T08:42:05Z 2023 2023]
    Keywords : Corrosion resistance; Fatigue; Aluminium alloys; HPDC; PMC; Sheet Metal; Anodization Molding; Casting;

    Abstract : Corrosion has posed a significant challenge within the maritime sector for numerousyears. In the 21st century, bolstering the corrosion resistance of alloys, particularlyaluminum alloys, has become paramount. Aluminum alloys find widespread use inpropulsion systems, boat hulls, and cargo vessels. READ MORE

  4. 3. Studies on future Mine Countermeasure Vessels (MCMV)

    University essay from Blekinge Tekniska Högskola/Institutionen för matematik och naturvetenskap

    Author : Philip Somehagen; [2023]
    Keywords : Concept development; Mine countermeasure vessels; ROV; Sonar; Konceptutveckling; Minjaktsfartyg; ROV; Sonar;

    Abstract : Background Maritime transportation is vital for international trade, and any disruption to this flow can have severe financial and environmental consequences. Ship mines, both old and new, present significant risks as man-made obstacles. READ MORE

  5. 4. Ocean Economy - Implementing damages to marine sectors and ecosystems into the DICE model

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Malte Gleim; [2023]
    Keywords : Ocean economy; ecosystem services; DICE model; green economy; climate change;

    Abstract : The oceans are a key element in our society, economy and environmental system.They cover over 70% of the worlds surface and contribute substantially to ecosystemservices such as climate management as well as to economic sectors such as foodproduction and tourism. READ MORE

  6. 5. Röekillorna unsealed – an osteological analysis of the seal remains at Röekillorna Spring

    University essay from Lunds universitet/Historisk osteologi

    Author : Tea Jahrehorn Önnerfors; [2023]
    Keywords : zooarchaeology; osteological research; offerings-and burial; pinnipedia; grey seals; Neolithic; Iron Age; wetlands; pre-historical Scania; Baltic Sea; Röekillorna Spring; History and Archaeology;

    Abstract : Zooarchaeological studies have played a crucial role in understanding the pre-historic societies of Scania. The analysis of animal remains from archaeological sites has provided insights into the subsistence strategies, economic practices, and cultural beliefs of the people who lived in the region. READ MORE