Essays about: "Lucas Johansson"

Showing result 1 - 5 of 11 essays containing the words Lucas Johansson.

  1. 1. Finding new members of the VelHel-4 stream

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Lucas Johansson; [2023]
    Keywords : Galactic Archaeology; Milky Way; Stellar Streams; Streams; Stellar Halo; Stars; Globular Cluster; Astronomy; Astrophysics; Gaia; Chemical Abundance; Spectroscopy;

    Abstract : According to the paradigm of lambda-CDM cosmology, the stellar halo ofour Galaxy has been built-up over time through the accretion of other galaxiesand star clusters. The remnants of some of these are still observable today asstellar streams, but are typically very faint and difficult to resolve amidst the farmore numerous foreground Milky Way stars. READ MORE

  2. 2. Elektrisk effektanalys av vårdcentraler

    University essay from SLU/Dept. of Energy and Technology

    Author : Lucas Gulin; Pianca Islam; Matilda Kylberg; Arvid Lindahl; Knut Gustav Johansson Melin; Felix Ranestål; Hanna Sundström; [2023]
    Keywords : elektrisk effektprofil; elektrisk effektanalys; vårdcentral; vårdlokal; energianvändning;

    Abstract : Med rådande kapacitetsbrist i Uppsala finns det incitament att se över det elektriska effektuttaget. Region Uppsala äger fastigheter såsom vårdlokaler med varierande elektriskt effektbehov. Utöver variationen mellan fastigheter så varierar det elektriska effektuttaget för en och samma byggnad kraftigt under dygnet. READ MORE

  3. 3. Operation and Control of HVDC Grids

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

    Author : Henrik Johansson; Lucas Tunelid; [2020]
    Keywords : Droop control; HIL; Modular multilevelconverter MMC ; Multi-terminal HVDC MTDC grid; Powersystems; Voltage source converter VSC modeling;

    Abstract : In order to meet the increasing demand ofenergy in today’s society while at the same time minimizing theenvironmental impact, renewable energy sources will be requiredto be integrated into the existing energy mix. Technologicaladvances in high voltage direct current (HVDC) grids playa crucial role in making this possible. READ MORE

  4. 4. Estimation of Orientation in a Dual-Tag Ultra Wideband Indoor Positioning System

    University essay from Uppsala universitet/Fasta tillståndets elektronik

    Author : Oscar Johansson; Lucas Wassénius; [2019]
    Keywords : UWB; Ultra Wideband; Indoor Positioning;

    Abstract : In this report the feasibility of using a dual-tag setup in an indoor positioning system was investigated. The reason for the dual-tag setup was to be able to estimate both position and orientation. The system was designed using UWB-technology, with an time of flight trilateration algorithm to calculate the position. READ MORE

  5. 5. Glyfosatförbudets förväntade effekter på växtodlingsstrategin : en företagsekonomisk fallstudie om beslut och resursutnyttjande

    University essay from SLU/Dept. of Economics

    Author : Lucas Hylander; Erik Johansson; Herman Lönnqvist; [2018]
    Keywords : glyfosat; strategi; jordbruk; växtodling; beslut; SWOT; bricolage; resurs; förändring; organisation;

    Abstract : According to LRF Konsult, who carried out a survey named Lantbruksbarometern 2016, a large proportion of the participating farmers stated that their profitability is low or indeed very low. The Swedish agricultural sector has gone through substantial structural changes, which has led to an increasing competition. READ MORE