Blar i Fakultet for informasjonsteknologi og elektroteknikk (IE) på dokumenttype "Doctoral thesis"
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Active surge control of centrifugal compression systems: Theoretical and experimental results of drive actuation
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:126, Doctoral thesis, 2007)This thesis addresses modeling and active surge control of a simple compression system, using only the drive system of the compressor for actuation. Theoretical results are validated by experiments on a test rig that was ... -
Adapting Requirements Specification Techniques for Mobile Information Systems
(Doctoral theses at NTNU;2017:171, Doctoral thesis, 2017)Mobile Information Systems technologies provide capabilities for using/handling information on the move and the motto has become anytime and anywhere computing. Thus, mobility-related requirements have become vital, but ... -
Adaptive coded modulation : design and simulation with realistic channel state information
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:38, Doctoral thesis, 2005)Spectrally efficient transmission schemes are becoming a more common requirement for digital communication systems. Especially in wireless communication since the bandwidth of available frequencies is a shared resource. ... -
Adaptive coded modulation in spatial and multiuser diversity systems
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:49, Doctoral thesis, 2005)This thesis consists of five included papers plus an introduction. The majority of the papers are devoted to performance analysis of an adaptive coded modulation (ACM) scheme based on multidimensional trellis codes. ... -
Adaptive Coded Modulation Performance and Channel Estimation Tools for Flat Fading Channels
(Dr. ingeniøravhandling, 0809-103X; 2002:18, Doctoral thesis, 2002)The need for spectrally efficient transmission on mobile and wireless channels is prevalent. A promising scheme for such transmission is adaptive coded modulation. In this thesis, techniques for assessing the performance ... -
Adaptive Control of Linear Hyperbolic PDEs
(Doctoral theses at NTNU;2018:113, Doctoral thesis, 2018)Coupled first-order linear hyperbolic partial differential equations (PDEs) can be used to model flow and transport phenomena. Relevant physical systems that can be modeled as hyperbolic PDEs are, to mention a few, ... -
Adaptive Isogeometric Methods for Boussinesq Problems
(Doctoral theses at NTNU;2022:261, Doctoral thesis, 2022)Computational Fluid Dynamics (CFD) is the numerical study of fluid flow, heat transfer, turbulence modelling and several conservation laws. The fluids can be liquids, gases and even plasmas. There is a vast number of ... -
Adaptive Middleware Support and Autonomous Fault Treatment: Architectural Design, Prototyping and Experimental Evaluation
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:92, Doctoral thesis, 2006)Networked computer systems are prevalent in most aspects of modern society, and we have become dependent on such computer systems to perform many critical tasks. Moreover, making such systems dependable is an important ... -
Adaptive Mobile Work Processes in Context-Rich, Heterogeneous Environments
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:229, Doctoral thesis, 2005)The rapid evolution in ubiquitous technologies has increased the demand and enabled for computational support of work anywhere, anytime. Mobility implies migrating computer systems from relatively static physical environments ... -
Adaptive Sampling of Dynamic Fields using Autonomous Underwater Vehicles
(Doctoral theses at NTNU;2022:368, Doctoral thesis, 2022) -
Adaptive Sampling of River Plume Fronts: Integrating Statistical Modeling and Autonomous Path Planning for Enhanced Oceanographic Exploration
(Doctoral theses at NTNU;2024:180, Doctoral thesis, 2024)The ocean remains largely unexplored and presents a great challenge for scientific research. Ocean fronts have shown importance for understanding both biological and physical oceanographic phenomena, with river plume ... -
Adaptive Security in the Internet of Things
(Doctoral theses at NTNU;2016:144, Doctoral thesis, 2016-05)Internet of Things (IoT) is a progressively growing networking paradigm that connects various devices or things including sensors, software, electronics and other physical objects to collect and exchange data. Due to the ... -
Additive manufacturing of thin-walled structures by robot manipulator : An experimental approach focusing on arc welding
(Doctoral theses at NTNU;2022:208, Doctoral thesis, 2022)Additive manufacturing (AM) has, over recent decades, become a quickly evolving and ever more present part of production and manufacturing. It has gone from being a simple prototyping method to building more complex ... -
Adoption of Open Source Software in Software-Intensive Industry
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:76, Doctoral thesis, 2010)Context: Open source software (OSS) has seen significant adoption, and it has changed not only how software-intensive companies develop and make money on software, but also how they select and acquire software. As a ... -
Advanced Control Design for Grid-Connected Converters in Renewable Energy Applications
(Doctoral theses at NTNU;2024:281, Doctoral thesis, 2024)In the pursuit of more efficient and responsive VSC-based grid-connected renewable energy systems, this Thesis embarks on a comprehensive exploration of advanced control methodologies. It presents a structured journey ... -
Advanced Control Methods for Modular Multilevel Converters
(Doctoral theses at NTNU;2023:229, Doctoral thesis, 2023)Climate change has forced the global energy sector to transition from energy production based on fossil fuels such as oil, natural gas, and coal towards renewable energy sources i.e., solar energy, wind energy, biomass, ... -
Advanced Control Methods for Power Converters: Focusing on Modular Multilevel Converters
(Doctoral thesis at NTNU;2016:40, Doctoral thesis, 2016)Development of powerful processors along with the complex structure of modern multilevel converters necessitate the utilization of advanced control methods for power converters. This necessity speciffcally arises in the ... -
Advanced Control of Power Converters: Modular Multilevel Converter
(Doctoral theses at NTNU;2014:343, Doctoral thesis, 2014)Multilevel converters can reach medium-voltage operation increasing the efficiency of high-power applications. Among the available multilevel converter topologies, the invention of Modular Multilevel Converter (MMC) has ... -
Advanced Maintainence Planning and Scheduling for Engineering Asset Fleets: A Compressor Case Study
(Doctoral theses at NTNU;2019:232, Doctoral thesis, 2019) -
Advances in Terrain Aided Navigation for Underwater Vehicles
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:123, Doctoral thesis, 2010)This thesis deals with the subject of terrain aided underwater navigation for underwater vehicles. The term “navigation” is throughout the thesis understood as the task of estimating the position and attitude of a vehicle, ...