Avancerad sökning

Hittade 3 avhandlingar som matchar ovanstående sökkriterier.

1. 1. A Novel Submarine Design Method - Based on technical, economical and operational factors of influence

   Författare :Mats Nordin; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; parametric and concept; submarine system design; synthesised design model;

   Sammanfattning : The thesis work, with the openly published journal and conference papers, is motivated by theambition to interact over time with the scientific community in the development of a novelcoherent submarine design method to regain momentum in Swedish submarine computeraided Simulation Based Design (SBD). The work was initially stimulated by an earlyobservation in our submarine engineering community, that the existing knowledge of navalarchitecture and systems theory including cost prediction and operational analysis was notcoherently utilised for the design of Naval Integrated Complex System (NICS), hence theneed for a coherent approach. LÄS MER

3. 2. High Voltage DC-biased Oil Type Medium Frequency Transformer; A Green Solution for Series DC Wind Park Concept

   Författare :Mohammad Kharezy; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; High voltage DC; Insulation design; Offshore wind farm; Leakage inductance; High power isolated DC DC converter; Dual active bridge; Medium-frequency power transformer; Parasitic capacitance; HVDC;

   Sammanfattning : The electric energy generated by remote offshore wind parks is transported to the consumers using high voltage submarine cables. On the generation site, such transmissions are realized today by collecting the energy produced by several wind turbines in a bulky and expensive transformer placed on a dedicated platform. LÄS MER

4. 3. Supporting Dynamic Decision Making in Naval Search and Evasion Tasks

   Författare :Christofer Waldenström; Love Ekenberg; Mats Danielson; Peter Thunholm; Neville Stanton; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Decision support; visualization; dynamic decision-making; naval warfare; expanding search area; field of safe travel; search task; evasion task; ecological interface; anti-submarine warfare; constraints; flaming datum; Computer and Systems Sciences; data- och systemvetenskap; Ledningsvetenskap;

   Sammanfattning : This thesis investigates a decision aid to support tasks where there is an initial sighting of an object and then the decision maker has to guide some vehicles, either to reestablish contact with the lost object or to stay clear of it. As such, the tasks are analogous to naval search and evasion tasks. LÄS MER