Essays about: "Luleå."
Showing result 16 - 20 of 2298 essays containing the word Luleå..
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16. Oscillations in a complex sunspot: From theory to data
University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknikAbstract : Sunspot oscillations, intricate three-dimensional wave-like motions in the solar atmosphere, result from the complex interplay between plasma and magnetic fields. This study delves into the behaviour of these oscillations, exploring their simultaneous excitation and evaluating their impact on solar phenomena like coronal heating, energy transport, and solar flares. READ MORE
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17. Exploring adaptation of self-supervised representation learning to histopathology images for liver cancer detection
University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknikAbstract : This thesis explores adapting self-supervised representation learning to visual domains beyond natural scenes, focusing on medical imaging. The research addresses the central question: "How can self-supervised representation learning be specifically adapted for detecting liver cancer in histopathology images?" The study utilizes the PAIP 2019 dataset for liver cancer segmentation and employs a self-supervised approach based on the VICReg method. READ MORE
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18. Ensuring safe docking maneuvers on floating platform using Nonlinear Model Predictive Control (NMPC)
University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknikAbstract : Docking maneuvers are a relevant part of the modern space mission, requiring precision and safety to ensure the success of the overall mission. This thesis proposes using a non-linear Model Predictive Control (MPC) as a controller with various constraints to ensure safe docking maneuvers for a satellite. READ MORE
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19. An evaluation of GPU virtualization
University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknikAbstract : There has been extensive research and progress on virtualization on CPUs for a while. More recently the focus on GPU virtualization has increased as processing power doubles roughly every 2.5 years. Coupled with advances in memory management and the PCIe standard the first hardware assisted virtual solutions became available in the 2010s. READ MORE
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20. Conjugate Heat Transfer Analysis of HPGP Thruster
University essay from Luleå tekniska universitet/RymdteknikAbstract : This master's thesis was conducted in collaboration with ECAPS, where a conjugate heat transfer analysis on their High Performance Green Propulsion (HPGP) 22N thruster was done. ECAPS is a Swedish propulsion company specializing in green propulsion. They develop thrusters for spacecraft orbit and attitude control, utilizing the propellant LMP-103S. READ MORE
